Knowledgebase: Claim Rejections
Billing Provider National Provider Identifier (NPI)
Posted by Will Morrow, Last modified by Charmagne Williams on 16 May 2017 02:08 PM

Rejection: Acknowledgement Rejected for relational field in error. Billing Provider National Provider Identifier (NPI).

What happened: The billing provider NPI (Box 33a) does not match what the payer has on file.

Resolution: Call the payer, verify NPI/Tax ID, and update the claim as necessary.