OakClaim

Free tool

Payer ID Lookup

The electronic payer IDs that route your claims — with the misroute warnings clearinghouse lists never give you. IDs can differ by clearinghouse: treat these as the commonly used primary IDs and confirm in your own payer list.

22 payersshown — IDs can differ by clearinghouse; always confirm against your clearinghouse's list

PayerPayer IDCategory
Aetna60054National Commercial
Cigna62308National Commercial
UnitedHealthcare87726National Commercial
Humana61101National Commercial
Oxford Health Plans (UHC)06111National Commercial
Golden Rule Insurance (UHC)37602National Commercial
WellCare (Centene)14163National Commercial
Oscar HealthVaries — commonly OSCARNational Commercial
Ambetter (Centene)Varies by stateNational Commercial
Molina HealthcareVaries by stateNational Commercial
Kaiser PermanenteVaries by regionNational Commercial
Cigna HealthSpring (Medicare)63092National Commercial
Medicare (Original)MAC-specificGovernment
Medicaid (state programs)State-specificGovernment
TRICARE East (Humana Military)Commonly TRESTGovernment
TRICARE WestVaries — check clearinghouseGovernment
CHAMPVA84146Government
VA Community Care NetworkVACCN (regions 1–3) / TriWest (4–5)Government
Blue Cross Blue Shield (all plans)Local plan-specificBCBS Plans
UMR (UnitedHealthcare TPA)39026TPA / Other
Meritain Health (Aetna TPA)41124TPA / Other
GEHA (federal employees)44054TPA / Other

Why misroutes matter

A claim sent to the wrong payer ID doesn't just reject — it often sits, gets forwarded (N418), or denies as CO-109 while your timely filing clock keeps running. The affiliate traps (Oxford vs UHC, HealthSpring vs Cigna, MCO vs state Medicaid) cause most of them — the member's current card beats memory every time.