Provider Not Certified/Eligible (Enrollment)
The payer's enrollment records show this provider was not enrolled, not credentialed with this specific plan, or not eligible to bill this specific service/specialty combination as of the date of service.
Guided troubleshooter available for this denial
Answer a few questions to reach the correct disposition. No patient or claim identifiers requested.
In plain language
The payer's enrollment records show this provider was not enrolled, not credentialed with this specific plan, or not eligible to bill this specific service/specialty combination as of the date of service.
Start here
Verify the provider's enrollment/credentialing status with the specific payer for the date of service.
Who resolves it
Credentialing/Provider Enrollment, Billing
Who prevents it
Credentialing/Provider Enrollment — proactive roster reconciliation against payer enrollment status before providers begin seeing patients under a given plan.
How to resolve this denial, step by step
- 1
Verify the provider's enrollment/credentialing status with the specific payer for the date of service.
- 2
Compare the taxonomy/specialty submitted on the claim to what is on file with the payer.
- 3
If only the claim's taxonomy field was wrong, correct and resubmit.
- 4
If enrollment truly lapsed or was never completed, route to Provider Enrollment/Credentialing to resolve enrollment; do not bill under a different, uninvolved provider.
- 5
Document the enrollment verification outcome.
- 6
Escalate to Credentialing/Contracting leadership for retroactive enrollment or effective- date disputes.
Then choose the correct disposition
Corrected claim
only for a taxonomy/specialty data error on an already-enrolled provider.
Provider enrollment correction
the primary path when enrollment itself lapsed or was incomplete.
Formal appeal
rarely successful against a correctly applied enrollment edit; only relevant if the payer's enrollment records are demonstrably wrong.
Stop and escalate when
- Provider is not enrolled and the service already occurred (compliance and revenue-at-risk issue); enrollment effective-date dispute with the payer; recurring enrollment gaps for new hires.
What Needs to Be Corrected
- Claim correction: If the provider is properly enrolled and only the taxonomy or specialty field was wrong on the claim, correct and resubmit.
- Upstream correction: If the provider genuinely is not enrolled/credentialed with that payer, this is a Credentialing/Provider Enrollment issue — the claim cannot be fixed by changing the provider listed on it.
Do Not Do This
- Do not change the rendering or billing provider on the claim to a different, enrolled provider merely to make the claim payable if that provider did not actually perform or supervise the service.
- Do not backdate an enrollment application or attestation.