Efficient medical billing begins with accurate BCBS prefix identification. The BCBS Prefix List NAA to NZZ provides detailed information for each prefix, including state, issuing company, and plan types like HMO, PPO, EPO, POS, HDHP, Medicare Advantage, and Traditional Indemnity.
BCBS Prefix List NAA to NZZ
Medical billing teams often cross-reference these prefixes during claim submission. For instance, prefixes like NNJ BCBS Prefix – Arizona or NPS BCBS Prefix – Maryland indicate specific BCBS entities and plan types. By verifying these prefixes, providers can confirm eligibility, plan type, and proper claim routing.
Proper verification ensures claims are routed to the correct payer, minimizing denials, re-submissions, and delayed reimbursements. Each prefix in this range corresponds to specific geographic and plan coverage, making BCBS Prefix tool usage essential for billing teams across the United States.
For a full directory of all BCBS prefixes, visit our BCBS Prefix List – Lookup & Verification Guide hub page.
BCBS Prefix Finder – NAA to NZZ State & Plan Lookup
A BCBS Prefix Finder helps billing teams quickly identify which BCBS company issued a member’s insurance plan. By entering or reviewing the three-letter prefix on the insurance ID card, billers can determine the correct payer, state, and plan type.
BCBS Prefix Finder – Verify prefix, state, and plan type before claim submission to ensure accuracy.
BCBS Prefix Table NAA to NZZ
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| NAA | South Dakota/Iowa | Wellmark BCBS | HMO, POS, Medicaid |
| NAB | Arkansas | Arkansas Blue-Cross Blue-Shield | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| NAC | Alabama | Blue-Cross Blue-Shield of Alabama | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NAD | Tennessee | BCBS of Tennessee | Traditional Indemnity, PPO, Medicaid |
| NAE | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), EPO, HMO |
| NAF | Alabama | Blue-Cross Blue-Shield of Alabama | POS, Medicare Advantage, Traditional Indemnity |
| NAG | New York (Western) | Blue-Cross Blue-Shield of Western New York | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| NAH | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | EPO, HMO, Traditional Indemnity |
| NAI | Texas | Blue-Cross Blue-Shield of Texas | High-Deductible Health Plan (HDHP), Medicaid, POS |
| NAJ | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky | Medicare Advantage, PPO, EPO |
| NAK | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| NAL | Michigan | Blue-Cross Blue-Shield of Michigan | POS, Medicaid, EPO |
| NAM | Idaho | Blue-Cross of Idaho | PPO, Medicare Advantage, Traditional Indemnity |
| NAN | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | High-Deductible Health Plan (HDHP), HMO, POS |
| NAO | California | Blue-Shield of California | EPO, Traditional Indemnity, PPO |
| NAP | California | Blue-Shield of California | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NAR | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Traditional Indemnity, EPO, HMO |
| NAS | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | PPO, POS, High-Deductible Health Plan (HDHP) |
| NAT | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicare Advantage, Medicaid, Traditional Indemnity |
| NAU | New York | Excellus Blue-Cross Blue-Shield of New York | High-Deductible Health Plan (HDHP), EPO, POS |
| NAV | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | HMO, PPO, Medicaid |
| NAW | Michigan | Blue-Cross Blue-Shield of Michigan | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NAX | Michigan | Blue-Cross Blue-Shield of Michigan | POS, EPO, HMO |
| NAY | Alaska | Premera Blue-Cross of Alaska | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| NAZ | California | Blue-Shield of California | Medicare Advantage, Traditional Indemnity, EPO |
| NBA | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), HMO, POS |
| NBB | Oregon | Regence Blue Cross Blue Shield of Oregon | PPO, Medicaid, EPO |
| NBC | Delaware | BCBS of Delaware | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NBD | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | POS, EPO, PPO |
| NBE | Arizona | Blue-Cross Blue-Shield of Arizona | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| NBF | California | Blue Shield of California | Medicare Advantage, HMO, POS |
| NBG | California | Anthem Blue Cross of California | PPO, High-Deductible Health Plan (HDHP), EPO |
| NBH | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | Medicaid, Traditional Indemnity, Medicare Advantage |
| NBI | Michigan | Blue-Cross Blue-Shield of Michigan | High-Deductible Health Plan (HDHP), POS, HMO |
| NBK | Nebraska | Blue-Cross Blue-Shield of Nebraska | EPO, PPO, Traditional Indemnity |
| NBL | Tennessee | BCBS of Tennessee | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NBM | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Traditional Indemnity, HMO, POS |
| NBN | Nebraska | BCBS of Nebraska | High-Deductible Health Plan (HDHP), PPO, EPO |
| NBO | Colorado | Anthem Blue-Cross Blue-Shield of Colorado | Medicaid, Medicare Advantage, Traditional Indemnity |
| NBP | New York | Empire Blue-Cross Blue-Shield of New York | POS, EPO, High-Deductible Health Plan (HDHP) |
| NBQ | North Carolina | Blue-Cross Blue-Shield of North Carolina | PPO, HMO, Medicaid |
| NBR | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| NBS | North Carolina | Blue-Cross Blue-Shield of North Carolina | EPO, POS, PPO |
| NBT | Arizona | Blue-Cross Blue-Shield of Arizona | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| NBU | Michigan | Blue-Cross Blue-Shield of Michigan | Medicaid, Medicare Advantage, EPO |
| NBW | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), PPO, POS |
| NBX | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | HMO, Medicaid, Traditional Indemnity |
| NBY | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| NBZ | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | POS, PPO, Traditional Indemnity |
| NCA | Tennessee | Blue-Cross Blue-Shield of Tennessee | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| NCB | Illinois | Blue-Cross Blue-Shield of Illinois | EPO, Medicare Advantage, PPO |
| NCD | Delaware | Highmark Blue-Cross Blue-Shield of Delaware | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| NCE | Michigan | Blue-Cross Blue-Shield of Michigan | HMO, EPO, Traditional Indemnity |
| NCF | California | Anthem Blue-Cross | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| NCG | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicare Advantage, Traditional Indemnity, EPO |
| NCH | Michigan | Blue-Cross Blue-Shield of Michigan | High-Deductible Health Plan (HDHP), HMO, POS |
| NCI | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, Medicaid, EPO |
| NCJ | North Carolina | Blue-Cross Blue-Shield of North Carolina | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NCK | North Carolina | Blue-Cross Blue-Shield of North Carolina | POS, EPO, PPO |
| NCL | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| NCM | New York | Empire Blue-Cross Blue-Shield of New York | Medicare Advantage, HMO, POS |
| NCN | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, High-Deductible Health Plan (HDHP), EPO |
| NCO | California | Blue-Shield of California | Medicaid, Traditional Indemnity, Medicare Advantage |
| NCP | North Carolina | BCBS of North Carolina | High-Deductible Health Plan (HDHP), POS, HMO |
| NCQ | Delaware | Highmark Blue-Cross Blue-Shield of Delaware | EPO, PPO, Traditional Indemnity |
| NCR | New York | Empire Blue-Cross Blue-Shield of New York | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NCS | Arkansas | Arkansas Blue-Cross Blue-Shield | Traditional Indemnity, HMO, POS |
| NCT | Alaska | Premera Blue-Cross of Alaska | High-Deductible Health Plan (HDHP), PPO, EPO |
| NCU | North Carolina | Blue-Cross Blue-Shield of North Carolina | Medicaid, Medicare Advantage, Traditional Indemnity |
| NCV | California | Blue Shield of California | POS, EPO, High-Deductible Health Plan (HDHP) |
| NCW | Alaska | Premera Blue-Cross Blue-Shield of Alaska | PPO, HMO, Medicaid |
| NCX | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| NCY | North Carolina | Blue-Cross Blue-Shield of North Carolina | EPO, POS, PPO |
| NCZ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| NDB | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | Medicaid, Medicare Advantage, EPO |
| NDD | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), PPO, POS |
| NDE | Michigan | Blue-Cross Blue-Shield of Michigan | HMO, Medicaid, Traditional Indemnity |
| NDF | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| NDG | California | Anthem Blue-Cross | POS, PPO, Traditional Indemnity |
| NDH | Alabama | Blue-Cross Blue-Shield of Alabama | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| NDI | Maryland | Carefirst BCBS of Maryland | EPO, Medicare Advantage, PPO |
| NDJ | Alabama | Blue-Cross Blue-Shield of Alabama | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| NDK | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire | PPO, Medicaid, EPO |
| NDM | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| NDO | California | Blue-Shield of California | POS, EPO, HMO |
| NDP | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| NDQ | California | Blue-Shield of California | Traditional Indemnity, Medicare Advantage, EPO |
| NDR | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | High-Deductible Health Plan (HDHP), HMO, POS |
| NDT | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | PPO, Medicaid, Traditional Indemnity |
| NDU | California | Anthem Blue Cross of California | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| NDV | California | Anthem Blue Cross of California | POS, HMO, Traditional Indemnity |
| NDY | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| NEA | Illinois | Blue-Cross Blue-Shield of Illinois | Medicare Advantage, EPO, POS |
| NEB | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| NEC | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, Medicaid, Medicare Advantage |
| NED | Nebraska | Blue-Cross Blue-Shield of Nebraska | High-Deductible Health Plan (HDHP), POS, EPO |
| NEE | New York (Western) | Blue-Cross Blue-Shield of Western New York | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| NEF | New York (Western) | Blue-Cross Blue-Shield of Western New York | Medicaid, Medicare Advantage, PPO |
| NEG | Florida | BCBS of Florida | High-Deductible Health Plan (HDHP), EPO, Traditional Indemnity |
| NEI | Illinois | Blue-Cross Blue-Shield of Illinois | POS, PPO, HMO |
| NEK | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NEL | Alabama | Blue-Cross Blue-Shield of Alabama | Traditional Indemnity, EPO, POS |
| NEM | Delaware | BCBS of Delaware | PPO, HMO, High-Deductible Health Plan (HDHP) |
| NEN | South Carolina | Blue-Cross Blue-Shield of South Carolina | HMO, POS, Medicaid |
| NEP | Minnesota | Blue-Cross Blue-Shield of Minnesota | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| NEQ | Nebraska | Blue-Cross Blue-Shield of Nebraska | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NER | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Traditional Indemnity, PPO, Medicaid |
| NES | South Carolina | BCBS of South Carolina | High-Deductible Health Plan (HDHP), EPO, HMO |
| NET | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut | POS, Medicare Advantage, Traditional Indemnity |
| NEU | Minnesota | Blue-Cross Blue-Shield of Minnesota | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| NEV | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky | EPO, HMO, Traditional Indemnity |
| NEW | Alabama | Blue-Cross Blue-Shield of Alabama | High-Deductible Health Plan (HDHP), Medicaid, POS |
| NEX | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, PPO, EPO |
| NEZ | Tennessee | Blue-Cross Blue-Shield of Tennessee | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| NFA | Illinois | Blue-Cross Blue-Shield of Illinois | POS, Medicaid, EPO |
| NFB | New York (Western) | Blue-Cross Blue-Shield of Western New York | PPO, Medicare Advantage, Traditional Indemnity |
| NFC | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), HMO, POS |
| NFD | New York (Western) | Blue-Cross Blue-Shield of Western New York | EPO, Traditional Indemnity, PPO |
| NFE | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NFF | Oregon | Regence BCBS | Traditional Indemnity, EPO, HMO |
| NFG | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, POS, High-Deductible Health Plan (HDHP) |
| NFH | Virginia | Carefirst Administrators | Medicare Advantage, Medicaid, Traditional Indemnity |
| NFI | Vermont | Blue-Cross Blue-Shield of Vermont | High-Deductible Health Plan (HDHP), EPO, POS |
| NFJ | New York | Excellus Blue-Cross Blue-Shield of New York | HMO, PPO, Medicaid |
| NFK | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NFL | New York (Western) | Blue-Cross Blue-Shield of Western New York | POS, EPO, HMO |
| NFM | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| NFN | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicare Advantage, Traditional Indemnity, EPO |
| NFO | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), HMO, POS |
| NFP | New York (Western) | Blue-Cross Blue-Shield of Western New York | PPO, Medicaid, EPO |
| NFQ | Western New York | BCBS of Western New York | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NFR | Virginia | Carefirst Administrators | POS, EPO, PPO |
| NFS | Florida | BCBS of Florida | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| NFT | New York (Western) | Blue-Cross Blue-Shield of Western New York | Medicare Advantage, HMO, POS |
| NFU | North Carolina | BCBS of North Carolina | PPO, High-Deductible Health Plan (HDHP), EPO |
| NFV | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Medicaid, Traditional Indemnity, Medicare Advantage |
| NFW | New Jersey | Horizon BCBS of New Jersey | High-Deductible Health Plan (HDHP), POS, HMO |
| NFX | Alaska | Premera Blue-Cross Blue-Shield of Alaska | EPO, PPO, Traditional Indemnity |
| NFY | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NFZ | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | Traditional Indemnity, HMO, POS |
| NGA | New Jersey | Horizon BCBS of New Jersey | High-Deductible Health Plan (HDHP), PPO, EPO |
| NGB | South Carolina | BCBS of South Carolina | Medicaid, Medicare Advantage, Traditional Indemnity |
| NGC | Illinois | Blue-Cross Blue-Shield of Illinois | POS, EPO, High-Deductible Health Plan (HDHP) |
| NGD | South Carolina | BCBS of South Carolina | PPO, HMO, Medicaid |
| NGE | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| NGF | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | EPO, POS, PPO |
| NGG | California | Anthem Blue-Cross | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| NGH | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire | Medicaid, Medicare Advantage, EPO |
| NGI | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | High-Deductible Health Plan (HDHP), PPO, POS |
| NGJ | South Carolina | Blue-Cross Blue-Shield of South Carolina | HMO, Medicaid, Traditional Indemnity |
| NGK | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| NGL | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire | POS, PPO, Traditional Indemnity |
| NGM | California | Anthem Blue Cross of California | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| NGN | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | EPO, Medicare Advantage, PPO |
| NGO | California | Anthem Blue-Cross | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| NGP | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | HMO, EPO, Medicaid |
| NGQ | Maryland | Carefirst BCBS of Maryland | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| NGR | Michigan | BCBS of Michigan | Traditional Indemnity, HMO, EPO |
| NGS | North Carolina | Blue-Cross Blue-Shield of North Carolina | POS, PPO, High-Deductible Health Plan (HDHP) |
| NGT | California | Blue Shield of California | Medicaid, Medicare Advantage, Traditional Indemnity |
| NGU | New York (Western) | Blue-Cross Blue-Shield of Western New York | High-Deductible Health Plan (HDHP), EPO, POS |
| NGV | Ohio | Anthem BCBS of Ohio | PPO, HMO, Medicaid |
| NGW | California | Blue-Shield of California | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NGX | Illinois | Blue-Cross Blue-Shield of Illinois | POS, EPO, HMO |
| NGY | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| NGZ | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicare Advantage, Traditional Indemnity, EPO |
| NHA | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire | HMO, High-Deductible Health Plan (HDHP), POS |
| NHB | Alabama | Blue-Cross Blue-Shield of Alabama | PPO, Medicaid, Traditional Indemnity |
| NHC | Tennessee | Blue-Cross Blue-Shield of Tennessee | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| NHD | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | POS, HMO, PPO |
| NHE | California | Anthem Blue Cross of California | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| NHF | Alabama | BCBS of Alabama | EPO, Medicare Advantage, Traditional Indemnity |
| NHG | Pennsylvania | Capital Blue-Cross of Pennsylvania | PPO, High-Deductible Health Plan (HDHP), POS |
| NHH | California | Blue-Shield of California | Medicaid, HMO, Traditional Indemnity |
| NHI | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | High-Deductible Health Plan (HDHP), EPO, Medicare Advantage |
| NHJ | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | POS, PPO, HMO |
| NHK | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| NHL | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | EPO, Medicare Advantage, POS |
| NHM | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| NHN | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire | HMO, Medicaid, PPO |
| NHO | California | Blue-Shield of California | Medicare Advantage, Traditional Indemnity, EPO |
| NHP | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire | High-Deductible Health Plan (HDHP), POS, HMO |
| NHQ | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | EPO, PPO, Medicaid |
| NHR | Minnesota | Blue-Cross Blue-Shield of Minnesota | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NHS | Maryland | Carefirst BCBS of Maryland | POS, HMO, EPO |
| NHT | Michigan | Blue-Cross Blue-Shield of Michigan | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| NHU | Pennsylvania | Capital Blue-Cross of Pennsylvania | Medicare Advantage, Traditional Indemnity, POS |
| NHV | Pennsylvania | Capital Blue-Cross of Pennsylvania | EPO, High-Deductible Health Plan (HDHP), HMO |
| NHW | Kansas City | Blue-Cross Blue-Shield of Kansas City | PPO, Medicaid, Medicare Advantage |
| NHX | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| NHY | Arizona | BCBS of Arizona | HMO, EPO, Medicaid |
| NIA | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| NIC | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Traditional Indemnity, HMO, EPO |
| NID | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | POS, Medicaid, High-Deductible Health Plan (HDHP) |
| NIE | California | Anthem Blue-Cross | PPO, Medicare Advantage, Traditional Indemnity |
| NIH | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | High-Deductible Health Plan (HDHP), HMO, POS |
| NII | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | EPO, Medicaid, PPO |
| NIJ | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NIL | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | POS, HMO, EPO |
| NIM | South Dakota/Iowa | Wellmark BCBS | Medicaid, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| NIN | Nebraska | Blue-Cross Blue-Shield of Nebraska | PPO, Medicare Advantage, EPO |
| NIO | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), POS, HMO |
| NIP | California | Blue-Shield of California | EPO, Traditional Indemnity, Medicaid |
| NIQ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| NIR | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, HMO, Medicaid |
| NIS | Idaho | Blue-Cross of Idaho | Traditional Indemnity, EPO, Medicare Advantage |
| NIT | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | High-Deductible Health Plan (HDHP), PPO, HMO |
| NIU | Florida | Florida-Blue | Medicaid, Traditional Indemnity, POS |
| NIV | California | Anthem Blue-Cross | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| NIW | New York | Empire Blue-Cross Blue-Shield of New York | POS, HMO, PPO |
| NIX | New York | Empire Blue-Cross Blue-Shield of New York | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| NIY | Kansas City | Blue-Cross Blue-Shield of Kansas City | EPO, POS, Medicare Advantage |
| NIZ | California | Blue Shield of California | PPO, High-Deductible Health Plan (HDHP), HMO |
| NJA | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Traditional Indemnity, EPO, Medicaid |
| NJB | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| NJC | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | HMO, PPO, Traditional Indemnity |
| NJD | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| NJE | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | HMO, POS, Medicaid |
| NJF | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| NJG | Texas | Blue-Cross Blue-Shield of Texas | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NJH | New Jersey | Horizon BCBS of New Jersey | Traditional Indemnity, PPO, Medicaid |
| NJI | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), EPO, HMO |
| NJJ | New Jersey | Horizon BCBS of New Jersey | POS, Medicare Advantage, Traditional Indemnity |
| NJK | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| NJL | Michigan | Blue-Cross Blue-Shield of Michigan | EPO, HMO, Traditional Indemnity |
| NJM | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), Medicaid, POS |
| NJN | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicare Advantage, PPO, EPO |
| NJO | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| NJP | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | POS, Medicaid, EPO |
| NJQ | South Carolina | Blue-Cross Blue-Shield of South Carolina | PPO, Medicare Advantage, Traditional Indemnity |
| NJR | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), HMO, POS |
| NJS | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | EPO, Traditional Indemnity, PPO |
| NJT | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NJU | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut | Traditional Indemnity, EPO, HMO |
| NJV | Michigan | Blue-Cross Blue-Shield of Michigan | PPO, POS, High-Deductible Health Plan (HDHP) |
| NJX | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicare Advantage, Medicaid, Traditional Indemnity |
| NJY | Nevada | Anthem Blue-Cross Blue-Shield of Nevada | High-Deductible Health Plan (HDHP), EPO, POS |
| NJZ | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | HMO, PPO, Medicaid |
| NKA | Minnesota | Blue-Cross Blue-Shield of Minnesota | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NKB | California | Anthem Blue-Cross | POS, EPO, HMO |
| NKE | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| NKF | Alabama | Blue-Cross Blue-Shield of Alabama | Medicare Advantage, Traditional Indemnity, EPO |
| NKG | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), HMO, POS |
| NKH | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | PPO, Medicaid, EPO |
| NKI | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NKJ | Michigan | Blue-Cross Blue-Shield of Michigan | POS, EPO, PPO |
| NKK | Michigan | Blue-Cross Blue-Shield of Michigan | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| NKL | Illinois | Blue-Cross Blue-Shield of Illinois | Medicare Advantage, HMO, POS |
| NKM | Tennessee | Blue-Cross Blue-Shield of Tennessee | PPO, High-Deductible Health Plan (HDHP), EPO |
| NKN | California | Anthem Blue-Cross | Medicaid, Traditional Indemnity, Medicare Advantage |
| NKO | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), POS, HMO |
| NKP | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | EPO, PPO, Traditional Indemnity |
| NKQ | Michigan | Blue-Cross Blue-Shield of Michigan | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NKR | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | Traditional Indemnity, HMO, POS |
| NKS | Michigan | Blue-Cross Blue-Shield of Michigan | High-Deductible Health Plan (HDHP), PPO, EPO |
| NKT | Illinois | Blue-Cross Blue-Shield of Illinois | Medicaid, Medicare Advantage, Traditional Indemnity |
| NKU | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | POS, EPO, High-Deductible Health Plan (HDHP) |
| NKV | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | PPO, HMO, Medicaid |
| NKW | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| NKX | Tennessee | Blue-Cross Blue-Shield of Tennessee | EPO, POS, PPO |
| NKY | Michigan | Blue-Cross Blue-Shield of Michigan | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| NLA | Michigan | Blue-Cross Blue-Shield of Michigan | Medicaid, Medicare Advantage, EPO |
| NLB | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), PPO, POS |
| NLC | Kansas City | Blue-Cross Blue-Shield of Kansas City | HMO, Medicaid, Traditional Indemnity |
| NLD | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| NLE | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | POS, PPO, Traditional Indemnity |
| NLG | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| NLH | Michigan | Blue-Cross Blue-Shield of Michigan | EPO, Medicare Advantage, PPO |
| NLI | Alabama | Blue-Cross Blue-Shield of Alabama | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| NLJ | Alabama | Blue-Cross Blue-Shield of Alabama | PPO, Medicaid, EPO |
| NLK | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| NLL | Illinois | Blue-Cross Blue-Shield of Illinois | POS, EPO, HMO |
| NLM | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| NLN | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Traditional Indemnity, Medicare Advantage, EPO |
| NLO | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), HMO, POS |
| NLP | California | Blue-Shield of California | PPO, Medicaid, Traditional Indemnity |
| NLQ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| NLR | Texas | Blue-Cross Blue-Shield of Texas | POS, HMO, Traditional Indemnity |
| NLS | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| NLT | Texas | Blue-Cross Blue-Shield of Texas | Medicare Advantage, EPO, POS |
| NLU | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| NLV | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | PPO, Medicaid, Medicare Advantage |
| NLW | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), POS, EPO |
| NLX | Alaska | Premera Blue-Cross Blue-Shield of Alaska | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| NLZ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicaid, Medicare Advantage, PPO |
| NMA | South Carolina | BCBS of South Carolina | High-Deductible Health Plan (HDHP), EPO, Traditional Indemnity |
| NMC | South Dakota/Iowa | Wellmark BCBS | POS, PPO, HMO |
| NMD | Kansas City | Blue-Cross Blue-Shield of Kansas City | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NME | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Traditional Indemnity, EPO, POS |
| NMF | South Carolina | BCBS of South Carolina | PPO, HMO, High-Deductible Health Plan (HDHP) |
| NMG | South Carolina | BCBS of South Carolina | Medicare Advantage, Medicaid, Traditional Indemnity |
| NMH | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | HMO, POS, Medicaid |
| NMI | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| NMJ | New Mexico | Blue-Cross Blue-Shield of New Mexico | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NMK | New Mexico | BCBS of New Mexico | Traditional Indemnity, PPO, Medicaid |
| NML | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), EPO, HMO |
| NMM | New Mexico | Blue-Cross Blue-Shield of New Mexico | POS, Medicare Advantage, Traditional Indemnity |
| NMN | Minnesota | BCBS of Minnesota | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| NMO | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | EPO, HMO, Traditional Indemnity |
| NMP | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), Medicaid, POS |
| NMR | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicare Advantage, PPO, EPO |
| NMS | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| NMT | Illinois | Blue-Cross Blue-Shield of Illinois | POS, Medicaid, EPO |
| NMU | Tennessee | Blue-Cross Blue-Shield of Tennessee | PPO, Medicare Advantage, Traditional Indemnity |
| NMV | New York | Empire BCBS of New York | High-Deductible Health Plan (HDHP), HMO, POS |
| NMW | Illinois | Blue-Cross Blue-Shield of Illinois | EPO, Traditional Indemnity, PPO |
| NMX | Colorado | Anthem Blue-Cross Blue-Shield of Colorado | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NMY | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire | Traditional Indemnity, EPO, HMO |
| NNA | Tennessee | Blue-Cross Blue-Shield of Tennessee | PPO, POS, High-Deductible Health Plan (HDHP) |
| NNB | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicare Advantage, Medicaid, Traditional Indemnity |
| NNC | Idaho | Blue-Cross of Idaho | High-Deductible Health Plan (HDHP), EPO, POS |
| NND | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | HMO, PPO, Medicaid |
| NNE | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NNF | New York (Western) | Blue-Cross Blue-Shield of Western New York | POS, EPO, HMO |
| NNG | Arizona | Blue-Cross Blue-Shield of Arizona | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| NNH | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Medicare Advantage, Traditional Indemnity, EPO |
| NNI | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | EPO, Medicaid, HMO |
| NNJ | Arizona | Blue-Cross Blue-Shield of Arizona | Traditional Indemnity, POS, PPO |
| NNK | North Carolina | Blue-Cross Blue-Shield of North Carolina | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
| NNN | Illinois | Blue-Cross Blue-Shield of Illinois | HMO, PPO, High-Deductible Health Plan (HDHP) |
| NNO | North Carolina | Blue-Cross Blue-Shield of North Carolina | Medicare Advantage, Traditional Indemnity, EPO |
| NNP | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| NNQ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Traditional Indemnity, EPO, Medicare Advantage |
| NNR | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), POS, HMO |
| NNS | Virginia | Anthem BCBS of Virginia | Medicaid, PPO, Traditional Indemnity |
| NNT | Alaska | Premera Blue-Cross Blue-Shield of Alaska | POS, EPO, High-Deductible Health Plan (HDHP) |
| NNU | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | HMO, Medicare Advantage, Medicaid |
| NNV | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| NNW | Montana | Blue-Cross Blue-Shield of Montana | Medicare Advantage, PPO, HMO |
| NNX | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| NNY | Alaska | Premera Blue-Cross Blue-Shield of Alaska | EPO, POS, High-Deductible Health Plan (HDHP) |
| NNZ | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | PPO, Medicaid, Medicare Advantage |
| NOA | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| NOB | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | POS, EPO, Medicaid |
| NOC | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | HMO, Traditional Indemnity, Medicare Advantage |
| NOD | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| NOE | California | Anthem Blue-Cross | EPO, Medicaid, PPO |
| NOF | Michigan | Blue-Cross Blue-Shield of Michigan | Medicare Advantage, HMO, Traditional Indemnity |
| NOG | Michigan | Blue-Cross Blue-Shield of Michigan | High-Deductible Health Plan (HDHP), POS, Medicaid |
| NOH | Colorado | Anthem BCBS of Colorado | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| NOI | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | HMO, PPO, Medicare Advantage |
| NOJ | Colorado | Anthem BCBS of Colorado | Medicaid, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| NOL | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS, EPO, High-Deductible Health Plan (HDHP) |
| NON | North Carolina | Blue-Cross Blue-Shield of North Carolina | PPO, Medicaid, Traditional Indemnity |
| NOO | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Medicare Advantage, HMO |
| NOP | North Dakota | BCBS of North Dakota | EPO, Traditional Indemnity, PPO |
| NOQ | Idaho | Blue Cross of Idaho | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| NOR | Arizona | Blue-Cross Blue-Shield of Arizona | Traditional Indemnity, HMO, Medicare Advantage |
| NOS | California | Anthem Blue Cross of California | POS, High-Deductible Health Plan (HDHP), PPO |
| NOT | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| NOU | California | Anthem Blue-Cross | PPO, Medicare Advantage, EPO |
| NOV | New Jersey | Horizon BCBS of New Jersey | Traditional Indemnity, POS, HMO |
| NOW | California | Blue Shield of California | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| NOY | California | Blue-Shield of California | EPO, Medicare Advantage, Traditional Indemnity |
| NOZ | Idaho | Blue Cross of Idaho | HMO, High-Deductible Health Plan (HDHP), POS |
| NPA | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | PPO, Traditional Indemnity, Medicaid |
| NPB | Oregon | Regence Blue Cross Blue Shield of Oregon | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| NPC | Kansas City | Blue-Cross Blue-Shield of Kansas City | POS, HMO, PPO |
| NPD | Nebraska | Blue-Cross Blue-Shield of Nebraska | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| NPE | Minnesota | Blue-Cross Blue-Shield of Minnesota | EPO, PPO, Medicare Advantage |
| NPF | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS of Maryland | Medicaid, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| NPG | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | HMO, EPO, POS |
| NPH | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| NPI | Michigan | Blue-Cross Blue-Shield of Michigan | PPO, HMO, Traditional Indemnity |
| NPJ | Florida | Florida-Blue | Medicare Advantage, EPO, PPO |
| NPK | Michigan | Blue-Cross Blue-Shield of Michigan | High-Deductible Health Plan (HDHP), Medicaid, POS |
| NPL | Michigan | Blue-Cross Blue-Shield of Michigan | Traditional Indemnity, HMO, Medicare Advantage |
| NPM | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky | EPO, PPO, High-Deductible Health Plan (HDHP) |
| NPO | California | Blue-Shield of California | Medicaid, Traditional Indemnity, EPO |
| NPP | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NPQ | Idaho | Blue Cross of Idaho | PPO, HMO, High-Deductible Health Plan (HDHP) |
| NPR | Illinois | Blue-Cross Blue-Shield of Illinois | Medicare Advantage, Traditional Indemnity, Medicaid |
| NPS | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), EPO, PPO |
| NPT | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Traditional Indemnity, POS, HMO |
| NPU | New York | Empire Blue-Cross Blue-Shield of New York | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| NPV | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, EPO, Traditional Indemnity |
| NPX | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | High-Deductible Health Plan (HDHP), HMO, POS |
| NPY | New York | Empire BCBS of New York | PPO, Medicaid, EPO |
| NPZ | Idaho | Blue Cross of Idaho | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NQA | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | POS, HMO, PPO |
| NQB | Idaho | Blue Cross of Idaho | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| NQC | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | EPO, PPO, Medicare Advantage |
| NQD | New York (Western) | Blue-Cross Blue-Shield of Western New York | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| NQF | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Traditional Indemnity, HMO, EPO |
| NQG | Michigan | Blue-Cross Blue-Shield of Michigan | Medicare Advantage, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| NQH | Illinois | BCBS of Illinois | POS, Medicaid, PPO |
| NQI | Michigan | Blue-Cross Blue-Shield of Michigan | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| NQK | Idaho | Blue Cross of Idaho | PPO, Medicare Advantage, HMO |
| NQL | Nebraska | Blue-Cross Blue-Shield of Nebraska | Traditional Indemnity, POS, Medicaid |
| NQM | Colorado | Anthem Blue-Cross Blue-Shield of Colorado | High-Deductible Health Plan (HDHP), EPO, PPO |
| NQN | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicaid, Traditional Indemnity, Medicare Advantage |
| NQO | Idaho | Blue-Cross of Idaho | POS, HMO, High-Deductible Health Plan (HDHP) |
| NQP | New York (Western) | Blue-Cross Blue-Shield of Western New York | Medicare Advantage, PPO, Traditional Indemnity |
| NQQ | Minnesota | Blue-Cross Blue-Shield of Minnesota | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| NQR | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | PPO, Traditional Indemnity, HMO |
| NQS | Illinois | BCBS of Illinois | Medicaid, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NQT | Michigan | BCBS of Michigan | POS, EPO, PPO |
| NQU | Michigan | Blue-Cross Blue-Shield of Michigan | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| NQV | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | HMO, Medicare Advantage, Traditional Indemnity |
| NQW | Minnesota | Blue-Cross Blue-Shield of Minnesota | PPO, High-Deductible Health Plan (HDHP), POS |
| NQX | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| NQY | California | Anthem Blue Cross of California | Traditional Indemnity, HMO, Medicare Advantage |
| NRA | Minnesota | Blue-Cross Blue-Shield of Minnesota | High-Deductible Health Plan (HDHP), POS, PPO |
| NRB | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicare Advantage, Traditional Indemnity, EPO |
| NRC | Minnesota | Blue-Cross Blue-Shield of Minnesota | HMO, High-Deductible Health Plan (HDHP), Medicaid |
| NRD | Pennsylvania | Capital Blue-Cross of Pennsylvania | PPO, EPO, Traditional Indemnity |
| NRE | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | Medicaid, Medicare Advantage, POS |
| NRF | North Carolina | Blue-Cross Blue-Shield of North Carolina | High-Deductible Health Plan (HDHP), HMO, PPO |
| NRG | Illinois | Blue-Cross Blue-Shield of Illinois | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| NRH | Alaska | Premera Blue-Cross Blue-Shield of Alaska | POS, Medicaid, Traditional Indemnity |
| NRI | Nebraska | Blue-Cross Blue-Shield of Nebraska | Medicare Advantage, PPO, EPO |
| NRJ | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| NRK | California | Anthem Blue Cross of California | EPO, HMO, Traditional Indemnity |
| NRL | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| NRM | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Traditional Indemnity, EPO, Medicaid |
| NRN | Nebraska | Blue-Cross Blue-Shield of Nebraska | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| NRO | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | HMO, Traditional Indemnity, POS |
| NRQ | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | PPO, Medicaid, EPO |
| NRR | California | Anthem Blue Cross of California | High-Deductible Health Plan (HDHP), Medicare Advantage, HMO |
| NRS | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Traditional Indemnity, POS, PPO |
| NRT | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| NRU | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicaid, Medicare Advantage, EPO |
| NRW | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | PPO, High-Deductible Health Plan (HDHP), HMO |
| NRX | Colorado | Anthem BCBS of Colorado | Traditional Indemnity, Medicaid, POS |
| NSA | California | Anthem Blue-Cross | Medicare Advantage, EPO, PPO |
| NSB | California | Blue Shield of California | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| NSC | California | Blue-Shield of California | POS, PPO, Medicaid |
| NSD | Michigan | Blue-Cross Blue-Shield of Michigan | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| NSE | California | Blue Shield of California | Medicaid, HMO, Traditional Indemnity |
| NSG | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | PPO, EPO, Medicare Advantage |
| NSH | Maryland | Carefirst BCBS of Maryland | High-Deductible Health Plan (HDHP), POS, Traditional Indemnity |
| NSI | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | EPO, Medicaid, PPO |
| NSJ | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicare Advantage, Traditional Indemnity, HMO |
| NSK | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | POS, High-Deductible Health Plan (HDHP), EPO |
| NSL | California | Blue-Shield of California | Medicaid, Traditional Indemnity, POS |
| NSM | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NSN | California | Blue Shield of California | Traditional Indemnity, HMO, EPO |
| NSO | New York | Excellus Blue-Cross Blue-Shield of New York | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| NSP | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Medicare Advantage, POS, Traditional Indemnity |
| NSQ | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | EPO, High-Deductible Health Plan (HDHP), HMO |
| NSR | Idaho | Blue-Cross of Idaho | Medicaid, PPO, Traditional Indemnity |
| NSS | Michigan | Blue-Cross Blue-Shield of Michigan | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| NST | Texas | BCBS of Texas | POS, HMO, Medicaid |
| NSU | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Traditional Indemnity, High-Deductible Health Plan (HDHP), PPO |
| NSV | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | EPO, Medicare Advantage, HMO |
| NSW | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicaid, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| NSX | Utah | Regence BCBS of Utah | PPO, POS, EPO |
| NSY | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NSZ | Tennessee | BCBS of Tennessee | HMO, PPO, Medicaid |
| NTA | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire | High-Deductible Health Plan (HDHP), EPO, Traditional Indemnity |
| NTB | Michigan | Blue-Cross Blue-Shield of Michigan | Medicare Advantage, POS, HMO |
| NTC | Georgia | BCBS of Georgia | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| NTD | Massachusetts | BCBS of Massachusetts | PPO, Medicare Advantage, EPO |
| NTE | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut | Medicaid, HMO, Traditional Indemnity |
| NTF | Washington | Premera Blue Cross | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| NTG | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Traditional Indemnity, POS, EPO |
| NTH | Minnesota | BCBS of Minnesota | Medicaid, HMO, High-Deductible Health Plan (HDHP) |
| NTI | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | PPO, Traditional Indemnity, Medicare Advantage |
| NTJ | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | EPO, High-Deductible Health Plan (HDHP), POS |
| NTK | Texas | BCBS of Texas | Medicare Advantage, Medicaid, Traditional Indemnity |
| NTL | Alabama | BCBS of Alabama | High-Deductible Health Plan (HDHP), PPO, HMO |
| NTM | Illinois | Blue-Cross Blue-Shield of Illinois | Traditional Indemnity, EPO, Medicaid |
| NTN | California | Anthem Blue-Cross | Medicare Advantage, POS, PPO |
| NTO | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| NTP | New York | Empire Blue-Cross Blue-Shield of New York | EPO, Medicaid, Medicare Advantage |
| NTQ | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | PPO, High-Deductible Health Plan (HDHP), POS |
| NTR | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Traditional Indemnity, HMO, EPO |
| NTS | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky | Medicaid, Medicare Advantage, PPO |
| NTT | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Traditional Indemnity, EPO |
| NTU | Alabama | Blue-Cross Blue-Shield of Alabama | POS, PPO, HMO |
| NTV | California | Blue-Shield of California | Medicare Advantage, High-Deductible Health Plan (HDHP), Medicaid |
| NTW | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | EPO, Traditional Indemnity, POS |
| NTX | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| NTY | North Carolina | Blue-Cross Blue-Shield of North Carolina | Medicaid, HMO, Traditional Indemnity |
| NTZ | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | PPO, EPO, High-Deductible Health Plan (HDHP) |
| NUA | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Traditional Indemnity, Medicare Advantage, POS |
| NUB | West Virginia | Highmark Blue-Cross Blue-Shield of West Virginia | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| NUC | Illinois | Blue-Cross Blue-Shield of Illinois | EPO, PPO, Traditional Indemnity |
| NUD | Nebraska | Blue-Cross Blue-Shield of Nebraska | Medicare Advantage, High-Deductible Health Plan (HDHP), Medicaid |
| NUE | South Carolina | Blue-Cross Blue-Shield of South Carolina | POS, Traditional Indemnity, PPO |
| NUF | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), EPO, HMO |
| NUG | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Medicaid, PPO, Medicare Advantage |
| NUH | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| NUI | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, EPO, Medicaid |
| NUJ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | High-Deductible Health Plan (HDHP), Traditional Indemnity, PPO |
| NUK | Texas | Blue-Cross Blue-Shield of Texas | HMO, POS, High-Deductible Health Plan (HDHP) |
| NUL | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Medicaid, PPO, Traditional Indemnity |
| NUM | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| NUN | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS, Medicaid, Traditional Indemnity |
| NUO | Michigan | Blue-Cross Blue-Shield of Michigan | PPO, High-Deductible Health Plan (HDHP), HMO |
| NUP | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | Traditional Indemnity, Medicare Advantage, POS |
| NUQ | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| NUR | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | Medicare Advantage, Traditional Indemnity, HMO |
| NUS | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, EPO, Medicaid |
| NUT | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), POS, Medicare Advantage |
| NUU | Illinois | Blue-Cross Blue-Shield of Illinois | HMO, Traditional Indemnity, PPO |
| NUV | Illinois | Blue-Cross Blue-Shield of Illinois | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| NUW | California | Anthem Blue Cross of California | Traditional Indemnity, Medicare Advantage, POS |
| NUX | Pennsylvania | Capital Blue-Cross of Pennsylvania | EPO, HMO, High-Deductible Health Plan (HDHP) |
| NUY | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut | PPO, Medicaid, Traditional Indemnity |
| NUZ | Idaho | Regence Blue Shield of Idaho | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| NVB | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | Traditional Indemnity, HMO, PPO |
| NVC | Idaho | Regence Blue Shield of Idaho | Medicaid, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| NVD | Illinois | Blue-Cross Blue-Shield of Illinois | Medicare Advantage, EPO, POS |
| NVE | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| NVF | Maryland | Carefirst BCBS of Maryland | Traditional Indemnity, Medicare Advantage, HMO |
| NVG | Michigan | Blue-Cross Blue-Shield of Michigan | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| NVH | Washington | Premera Blue Cross | Traditional Indemnity, Medicare Advantage, PPO |
| NVI | Minnesota | Blue-Cross Blue-Shield of Minnesota | High-Deductible Health Plan (HDHP), HMO, POS |
| NVJ | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | Medicaid, EPO, Traditional Indemnity |
| NVK | Texas | Blue-Cross Blue-Shield of Texas | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NVL | Texas | Blue-Cross Blue-Shield of Texas | Traditional Indemnity, POS, EPO |
| NVM | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| NVN | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicare Advantage, PPO, Traditional Indemnity |
| NVO | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS, High-Deductible Health Plan (HDHP), EPO |
| NVP | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Traditional Indemnity, Medicaid, Medicare Advantage |
| NVQ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, PPO, High-Deductible Health Plan (HDHP) |
| NVR | Ohio | Anthem BCBS of Ohio | EPO, Traditional Indemnity, Medicaid |
| NVS | Alabama | BCBS of Alabama | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| NVT | Florida | BCBS of Florida | Traditional Indemnity, PPO, HMO |
| NVU | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| NVV | Illinois | Blue-Cross Blue-Shield of Illinois | Medicare Advantage, POS, Traditional Indemnity |
| NVX | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), EPO, PPO |
| NVY | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Traditional Indemnity, HMO, Medicaid |
| NVZ | Florida | Florida-Blue | POS, Medicare Advantage, High |
| NWB | Alaska | Premera Blue-Cross Blue-Shield of Alaska | HMO, PPO, Traditional Indemnity |
| NWC | South Carolina | BCBS of South Carolina | Medicaid, EPO, High-Deductible Health Plan (HDHP) |
| NWD | Colorado | Anthem Blue-Cross Blue-Shield of Colorado | Medicare Advantage, POS, Traditional Indemnity |
| NWE | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), HMO, EPO |
| NWF | Pennsylvania | Capital Blue Cross | PPO, Medicaid, Traditional Indemnity |
| NWG | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | EPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NWH | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | POS, HMO, Medicaid |
| NWI | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| NWJ | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicare Advantage, EPO, Traditional Indemnity |
| NWK | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | Medicaid, High-Deductible Health Plan (HDHP), POS |
| NWL | South Carolina | Blue-Cross Blue-Shield of South Carolina | HMO, PPO, Medicare Advantage |
| NWM | North Carolina | Blue-Cross Blue-Shield of North Carolina | Traditional Indemnity, POS, EPO |
| NWN | North Carolina | Blue-Cross Blue-Shield of North Carolina | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| NWO | North Carolina | Blue-Cross Blue-Shield of North Carolina | EPO, Medicare Advantage, Traditional Indemnity |
| NWP | Minnesota | Blue-Cross Blue-Shield of Minnesota | PPO, High-Deductible Health Plan (HDHP), POS |
| NWQ | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Medicaid, Traditional Indemnity, EPO |
| NWR | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, HMO, PPO |
| NWS | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | POS, High-Deductible Health Plan (HDHP), Medicaid |
| NWT | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | EPO, Traditional Indemnity, Medicare Advantage |
| NWU | Rhose Island | BCBS of Rhose Island | High-Deductible Health Plan (HDHP), PPO, HMO |
| NWV | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicaid, POS, Traditional Indemnity |
| NWW | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| NWX | Idaho | Blue-Cross of Idaho | Traditional Indemnity, HMO, Medicaid |
| NWY | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | PPO, Medicare Advantage, EPO |
| NWZ | Idaho | Blue Cross of Idaho | High-Deductible Health Plan (HDHP), POS, Traditional Indemnity |
| NXA | Western New York | BCBS of Western New York | Medicaid, HMO, PPO |
| NXB | Connecticut | Anthem BCBS of Connecticut | Traditional Indemnity, Medicare Advantage, EPO |
| NXC | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | High-Deductible Health Plan (HDHP), POS, Medicaid |
| NXD | Nebraska | Blue-Cross Blue-Shield of Nebraska | PPO, Traditional Indemnity, Medicare Advantage |
| NXE | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | EPO, High-Deductible Health Plan (HDHP), HMO |
| NXG | Arizona | Blue-Cross Blue-Shield of Arizona | Medicaid, PPO, Traditional Indemnity |
| NXH | California | Blue-Shield of California | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| NXI | California | Blue-Shield of California | POS, Medicaid, PPO |
| NXK | Maryland | Carefirst BCBS of Maryland | Traditional Indemnity, Medicare Advantage, EPO |
| NXL | Washington | Premera Blue Cross | High-Deductible Health Plan (HDHP), HMO, POS |
| NXM | Texas | BCBS of Texas | Medicaid, PPO, Traditional Indemnity |
| NXN | Idaho | Blue-Cross of Idaho | EPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NXO | New York (Northeastern) | Blue-Shield of Northeastern New York | POS, HMO, Medicaid |
| NXP | California | Blue Shield of California | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| NXQ | Illinois | Blue-Cross Blue-Shield of Illinois | Medicare Advantage, EPO, Traditional Indemnity |
| NXR | North Carolina | Blue-Cross Blue-Shield of North Carolina | High-Deductible Health Plan (HDHP), POS, HMO |
| NXS | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicaid, PPO, Medicare Advantage |
| NXT | California | Blue-Shield of California | EPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| NXU | New York | Empire Blue-Cross Blue-Shield of New York | HMO, POS, Traditional Indemnity |
| NXV | Nevada | Anthem BCBS of Nevada | Medicare Advantage, High-Deductible Health Plan (HDHP), Medicaid |
| NXW | Alaska | Premera Blue-Cross of Alaska | PPO, EPO, HMO |
| NXX | Washington | Premera Blue Cross | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| NXZ | Georgia | BCBS of Georgia | EPO, Medicare Advantage, PPO |
| NYA | New York | Empire Blue-Cross Blue-Shield of New York | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| NYB | New York | Empire Blue-Cross Blue-Shield of New York | Medicaid, HMO, Traditional Indemnity |
| NYC | New York | Empire Blue-Cross Blue-Shield of New York | EPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| NYD | New York | Empire Blue-Cross Blue-Shield of New York | PPO, Traditional Indemnity, HMO |
| NYE | New York (Northeastern) | Blue-Shield of Northeastern New York | High-Deductible Health Plan (HDHP), Medicaid, POS |
| NYF | New York (Northeastern) | Blue-Shield of Northeastern New York | Traditional Indemnity, Medicare Advantage, EPO |
| NYG | New York | Empire Blue-Cross Blue-Shield of New York | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| NYH | New York | Empire Blue-Cross Blue-Shield of New York | HMO, POS, Traditional Indemnity |
| NYI | New York | Empire Blue-Cross Blue-Shield of New York | Medicare Advantage, EPO, PPO |
| NYJ | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicaid, High-Deductible Health Plan (HDHP), HMO |
| NYK | Texas | Blue-Cross Blue-Shield of Texas | Traditional Indemnity, Medicare Advantage, POS |
| NYL | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | EPO, PPO, High-Deductible Health Plan (HDHP) |
| NYM | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicaid, Traditional Indemnity, HMO |
| NYN | New York | Empire Blue-Cross Blue-Shield of New York | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| NYO | New York | Empire BCBS of New York | POS, PPO, Traditional Indemnity |
| NYP | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | Medicaid, High-Deductible Health Plan (HDHP), POS |
| NYQ | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Traditional Indemnity, EPO, Medicare Advantage |
| NYR | Tennessee | Blue-Cross Blue-Shield of Tennessee | HMO, PPO, High-Deductible Health Plan (HDHP) |
| NYT | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Medicare Advantage, Medicaid, Traditional Indemnity |
| NYU | Maryland | Carefirst BCBS of Maryland | High-Deductible Health Plan (HDHP), EPO, HMO |
| NYW | Illinois | Blue-Cross Blue-Shield of Illinois | POS, PPO, Medicaid |
| NYX | Alabama | Blue-Cross Blue-Shield of Alabama | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NYY | New York | Empire Blue-Cross Blue-Shield of New York | HMO, POS, EPO |
| NYZ | Texas | Blue-Cross Blue-Shield of Texas | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| NZA | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NZB | South Carolina | Blue-Cross Blue-Shield of South Carolina | EPO, HMO, Traditional Indemnity |
| NZC | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| NZF | Tennessee | Blue-Cross Blue-Shield of Tennessee | Traditional Indemnity, Medicare Advantage, EPO |
| NZG | South Carolina | Blue-Cross Blue-Shield of South Carolina | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| NZH | Michigan | Blue-Cross Blue-Shield of Michigan | HMO, Traditional Indemnity, POS |
| NZI | Arizona | Blue-Cross Blue-Shield of Arizona | Medicare Advantage, POS, PPO |
| NZJ | California | Anthem Blue Cross of California | EPO, Medicaid, Traditional Indemnity |
| NZK | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | High-Deductible Health Plan (HDHP), HMO, Medicare Advantage |
| NZL | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| NZM | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Medicaid, EPO, POS |
| NZN | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), Medicare Advantage, PPO |
| NZO | Michigan | Blue-Cross Blue-Shield of Michigan | HMO, Traditional Indemnity, Medicaid |
| NZP | South Carolina | Blue-Cross Blue-Shield of South Carolina | EPO, High-Deductible Health Plan (HDHP), HMO |
| NZQ | Michigan | Blue-Cross Blue-Shield of Michigan | Traditional Indemnity, PPO, Medicare Advantage |
| NZR | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | POS, Medicaid, High-Deductible Health Plan (HDHP) |
| NZS | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, EPO, Traditional Indemnity |
| NZT | South Carolina | BCBS of South Carolina | High-Deductible Health Plan (HDHP), HMO, POS |
| NZU | Nebraska | Blue-Cross Blue-Shield of Nebraska | PPO, Medicaid, EPO |
| NZV | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| NZW | Tennessee | Blue-Cross Blue-Shield of Tennessee | HMO, POS, Traditional Indemnity |
| NZX | New Jersey | Horizon BCBS of New Jersey | High-Deductible Health Plan (HDHP), EPO, PPO |
| NZY | Illinois | Blue-Cross Blue-Shield of Illinois | Medicare Advantage, Medicaid, High-Deductible Health Plan (HDHP) |
| NZZ | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Traditional Indemnity, PPO, Medicare Advantage |
How to Use NAA to NZZ Prefix List Effectively
Using the NAA to NZZ BCBS prefix list correctly is essential for accurate claim submission and payer identification. Each prefix represents a specific Blue Cross Blue Shield plan and helps determine where claims should be routed.
When reviewing a patient’s insurance card, billing teams must carefully verify the first three characters of the member ID. These characters identify the issuing plan and the correct processing location. Therefore, even a small mistake can result in claim delays or denials.
In addition, prefixes that look similar may belong to entirely different plans. As a result, proper verification is required before submitting claims. This ensures accurate billing and faster reimbursement cycles.
Common BCBS Alpha Prefix in NAA to NZZ Range
Here under are some of the most common prefixes in this range.
NNJ BCBS Prefix – Arizona
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| NNJ | Arizona | Blue-Cross Blue-Shield of Arizona | Traditional Indemnity, POS, PPO |
NNJ BCBS Prefix ensures accurate claims for Arizona-based members. Plan types include Traditional Indemnity, POS, and PPO. Variations like BCBS Prefix NNJ, Anthem Prefix NNJ, BCBS Alpha Prefix NNJ appear in workflows. Using a prefix finder tool prevents claim errors. For more related Arizona prefixes, see our article on MAA to MZZ BCBS Prefixes.
NPS BCBS Prefix – Maryland/DC/Northern Virginia
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| NPS | Maryland/DC/Northern Virginia | Carefirst Blue-Cross Blue-Shield | HDHP, EPO, PPO |
The NPS BCBS Prefix is linked to Carefirst Blue-Cross Blue-Shield. This prefix can appear on High-Deductible Health Plans (HDHP), EPOs, and PPOs. Accurate prefix verification avoids misrouted claims and claim denials.
NBY BCBS Prefix – Massachusetts
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| NBY | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | Medicare Advantage, EPO, HDHP |
The NBY BCBS Prefix is issued by Blue-Cross Blue-Shield of Massachusetts and may cover Medicare Advantage, EPO, and HDHP plans. Always verify the member’s plan before submitting claims to ensure proper reimbursement.
NAT BCBS Prefix – South Carolina
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| NAT | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicare Advantage, Medicaid, Traditional Indemnity |
The NAT BCBS Prefix is assigned to Blue-Cross Blue-Shield of South Carolina. It may appear on Medicare Advantage, Medicaid, or Traditional Indemnity plans. Providers should confirm eligibility for proper claim routing.
NLM BCBS Prefix – Pennsylvania
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| NLM | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicaid, HDHP, PPO |
The NLM BCBS Prefix belongs to Highmark Blue-Cross Blue-Shield of Pennsylvania. Coverage includes Medicaid, HDHP, and PPO plans. Prefix verification prevents denials and delays. For more related Pennsylvania prefixes, see our article on LAA to LZZ BCBS Prefixes.
NJX BCBS Prefix – New Jersey
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| NJX | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicare Advantage, Medicaid, Traditional Indemnity |
The NJX BCBS Prefix is linked to Horizon Blue-Cross Blue-Shield of New Jersey and covers Medicare Advantage, Medicaid, and Traditional Indemnity plans.
NGO BCBS Prefix – California
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| NGO | California | Anthem Blue-Cross | Traditional Indemnity, POS, HDHP |
The NGO BCBS Prefix is issued by Anthem Blue-Cross in California. Common plan types include Traditional Indemnity, POS, and HDHP. Providers should verify coverage before submitting claims.
NMU BCBS Prefix – Tennessee
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| NMU | Tennessee | Blue-Cross Blue-Shield of Tennessee | PPO, Medicare Advantage, Traditional Indemnity |
The NMU BCBS Prefix corresponds to Blue-Cross Blue-Shield of Tennessee. Plans include PPO, Medicare Advantage, and Traditional Indemnity.
NEA BCBS Prefix – Illinois
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| NEA | Illinois | Blue-Cross Blue-Shield of Illinois | Medicare Advantage, EPO, POS |
The NEA BCBS Prefix belongs to Blue-Cross Blue-Shield of Illinois. It covers Medicare Advantage, EPO, and POS plans. Accurate verification is essential for claim accuracy.
Best Practices for Accurate Prefix Verification
Healthcare providers can improve billing accuracy by following structured practices.
First, always verify prefixes directly from the patient’s insurance card. This reduces the chances of manual errors.
Next, use clearinghouses or payer portals for real-time verification. These tools provide updated and reliable information.
In addition, maintaining a standardized workflow ensures consistency across the billing team.
Finally, regular staff training helps billing teams stay updated with payer requirements and billing rules.
Importance of NAA to NZZ Prefix in Medical Billing
The NAA to NZZ prefix range includes multiple BCBS plans, making it a critical part of medical billing operations.
Each prefix helps identify the correct payer and claim processing channel. Without accurate prefix usage, claims may be sent to the wrong payer, causing delays and denials.
In fact, BCBS prefixes are designed specifically to identify the correct plan, processing location, and eligibility system for each patient.
As a result, proper prefix usage directly improves claim accuracy and revenue cycle efficiency.
How Accurate Prefix Usage Improves Revenue Cycle Performance
Accurate prefix usage plays a major role in improving revenue cycle performance.
When billing teams verify prefixes correctly, claims are routed to the appropriate payer without delays. As a result, claim acceptance rates improve significantly.
In addition, fewer errors mean fewer denials. Consequently, billing teams spend less time correcting mistakes and more time processing new claims.
Moreover, faster claim processing leads to improved cash flow. Healthcare providers can receive payments more quickly and maintain financial stability.
Challenges in Managing NAA to NZZ Prefix Range
Managing a large prefix range such as NAA to NZZ can be challenging.
One major issue is dealing with similar-looking prefixes. These can easily cause confusion during data entry.
Another challenge is keeping up with updated payer information. Since BCBS operates across multiple independent organizations, changes in prefix assignments may occur.
In addition, manual processes increase the risk of human error. Without proper systems, staff may rely on guesswork or outdated references, which can lead to incorrect claim submissions.
Therefore, implementing automated verification tools and maintaining updated internal records is essential. When healthcare organizations adopt structured workflows, they can significantly reduce errors and improve overall billing performance.
Practical Tips to Avoid Prefix-Related Billing Errors
Healthcare providers can reduce prefix-related issues by following simple and effective strategies.
First, always double-check prefix entries before submitting claims. This small step can prevent major billing errors.
Next, use automated tools or clearinghouses to verify prefixes in real time. These tools improve accuracy and reduce manual workload.
In addition, ensure clear communication between front desk staff and billing teams. Accurate data collection at the front desk helps prevent issues later in the billing process.
Finally, keep internal reference systems updated. Billing teams should always work with the most current information to avoid outdated prefix usage.
How Prefix Accuracy Supports Long-Term Growth
Accurate prefix usage does not only improve short-term billing outcomes but also supports long-term growth for healthcare providers.
When claims are processed correctly, organizations experience fewer delays and more predictable revenue cycles. As a result, financial planning becomes easier and more reliable.
In addition, improved billing accuracy builds trust with insurance payers. Clean claims are processed faster, which strengthens the provider’s reputation.
Moreover, efficient billing operations allow healthcare providers to focus more on patient care rather than administrative corrections. This leads to better patient satisfaction and overall service quality.
Common Errors in NAA to NZZ Prefix Billing
Errors in BCBS prefix usage can disrupt the entire billing workflow.
One common issue is incorrect data entry. Even a minor mistake in the prefix can cause claims to be routed incorrectly. Consequently, billing teams must correct and resubmit those claims.
Another mistake is failing to verify eligibility before submission. Without confirming the prefix, claims may be processed with incorrect payer details.
Moreover, outdated prefix information can also lead to errors. Since BCBS plans may update or reassign prefixes over time, using updated verification methods is essential.
Why Prefix Accuracy Matters
Incorrect or outdated prefixes can lead to:
- Claim rejections or delays
- Misrouted payments
- Increased administrative work for corrections
- Confusion in multi-state billing
Prefixes such as NNJ, NPS, NBY, NAT, NLM, NJX, NGO, NMU, and NEA cover multiple states and plan types. Ensuring prefix accuracy is vital to avoid errors and streamline reimbursements for providers and billers.
How To Use BCBS Prefix Finder Efficiently
- Enter the prefix in the BCBS Prefix Finder.
- Confirm state, company, and plan type.
- Validate multi-state coverage if applicable.
- Cross-reference with related prefix articles for verification.
FAQs – BCBS Alpha Prefix from NAA to NZZ
1. What does NAA to NZZ prefix range represent?
This range includes multiple BCBS plans, each identified by a unique three-letter prefix used for claim routing.
2. Why is prefix verification important in medical billing?
It ensures that claims are sent to the correct payer, which helps avoid delays and denials.
3. Can BCBS prefixes change over time?
Yes, BCBS prefixes can change, so it is important to verify them regularly using updated tools.
4. What happens if an incorrect prefix is used?
Claims may be rejected, delayed, or sent to the wrong payer, which increases workload and affects cash flow.
5. How can billing teams reduce prefix-related errors?
By verifying prefixes, using automated tools, following standardized workflows, and maintaining updated records.
Conclusion
The BCBS Prefix List NAA to NZZ is an essential tool for medical billers, clinics, and providers. Proper prefix usage ensures accurate claims, timely reimbursements, and minimal errors. Additionally, for expert medical billing services, check our service page for professional support with claims verification and submission.
