Payer Rejection: Invalid Info - Entity's NPI Usage

Payer Rejection: Invalid Info - Entity's NPI Usage

A6 ACK/REJECT INVAL INFO - ENTITYS NATIONAL PROVIDER IDENTIFIER (NPI). USAGE- THIS CODE REQUIRES USE OF AN ENTITY CODE

This is a common error from Medicare, but other Payers may use it as well.
  1. The payer is indicating that either the NPI that you entered for the billing provider or rendering provider is not an NPI that they have on file.


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