CO-208
National Provider Identifier — not matched
What This Code Means
The NPI submitted doesn’t match any provider in the payer’s records.
Common Causes
- NPI belongs to a different provider than intended
- Provider's NPI not yet linked to this payer's enrollment record
How to Resolve or Appeal
- Confirm the correct NPI via NPPES
- Verify the provider is properly enrolled/linked with this payer
More Denial Codes to Check
Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.