Records indicate a mismatch between the submitted NPI and EIN.
Code type
RARC (Remark)
Category
Credentialing/Enrollment
Common CARC pairings
RARCs like N516 ride alongside CARCs on the 835 electronic remittance advice. These are the CARC denials RARC N516 is most often paired with.
| CARC | Meaning |
|---|---|
| 208 | National Provider Identifier - Not matched. |
See the full resolution workflow for RARC N516
Members of the EDI-Code Intelligence Lab get the step-by-step rework path, appeal language, root-cause drivers, and prevention checklist for every RARC and CARC pairing, plus payer-specific quirks.
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