CARC 208CO · Contractual Obligation

The National Provider Identifier submitted doesn't match any provider on file with the payer.

Common causes
The provider isn't enrolled with the payer under that NPI, or the NPI belongs to a different provider than intended.
Suggested fix
Confirm the provider's correct NPI and enrollment status with the payer, correct if needed, and resubmit.

Related Contractual Obligation codes

Frequently asked questions

What does CARC 208 mean?

The National Provider Identifier submitted doesn't match any provider on file with the payer.

How do I resolve CARC 208?

Confirm the provider's correct NPI and enrollment status with the payer, correct if needed, and resubmit.

Why does CARC 208 happen?

The provider isn't enrolled with the payer under that NPI, or the NPI belongs to a different provider than intended.

CARC codes maintained by X12 (x12.org). Descriptions on this site are original reference interpretations. Always verify codes with authoritative sources before making billing decisions.