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NC Department of Health and Human Services
NC Division of
Medical Assistance

National Provider Identifier (NPI)

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Getting one is free - Not having one can be costly!

NPI logoNPI and Address Database

The NPI and Address Database lists the NPI and addresses of active NC Medicaid providers (or providers who have been end-dated within the past 12 months).

To check to see if DMA has your correct NPI and address on file, search the NPI and Address Database.

If you have still have not reported your NPI to DMA, search the NPI and Address Database for your provider number and follow the instructions on the results screen

NPI Information

Medicaid Bulletins

Full implementation of NPIs took place on May 1, 2009.

All claims should contain the following information:

National Provider Identifier

  • Billing provider
  • Attending provider, if applicable
  • Referring provider, if applicable

Taxonomy Code

For all claims (except pharmacy) that are submitted electronically, a taxonomy code must be included for the billing provider.  However, if the procedure or service is billed with an attending provider number, only the taxonomy code for the attending provider is included on the electronic claim submission.  For paper claims, a taxonomy code for the both the billing provider and, if applicable, the attending provider must be included on the claim. 

Note:  Pharmacy providers must submit claims with their NPI number and the prescriber’s NPI number or DEA number entered on the claim.

For placement of data on the 837 transaction, consult the X12 Implementation Guide External link

More information about Taxonomy Codes can be found at these links:

CMS Information