Reason Code 34977

The claim was returned due to one of the following:
  • The service facility address submitted on the claim was not identified by the provider as a practice location address when the CMS-855A enrollment form was submitted
  • The service facility address submitted on the claim is not an exact match to the practice location address in PECOS
  • To add a new or correct an existing practice location address, submit the CMS-855A enrollment form in PECOS
  • Or, verify the address format in PECOS, DDE, or the eServices Portal, and ensure the service facility address on the claim is an exact match, and resubmit the claim
Reference: CMS MLN Matters article SE19007 (PDF, 98 KB).

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