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Provider Taxonomy Lookup

Taxonomy codes are a way that providers can identify their types, specialties, and classifications. Taxonomy codes are a national code set managed by the National Uniform Claim Committee (NUCC). NC DHHS and its fiscal agent, CSC, are utilizing taxonomy codes to classify its health care providers by the services they provide. Taxonomy codes are maintained on the provider’s record and must be verified based on licenses and certifications. Taxonomy codes are submitted to NCTracks on claims and other items like prior approvals. Taxonomy codes are used during adjudication. The taxonomy code on the claim must match the taxonomy code on the provider’s record or the claim will deny.

Taxonomy codes have defined levels such as provider type, classification, and specialization as part of the code set. All of these levels are viewable and part of the provider record on NCTracks. In NCTracks taxonomy codes are documented at the service facility or physical address on the provider record. Providers can have up to 15 taxonomy codes at a specific location.

By entering an NPI number or EIN in the fields below, the provider’s location appears, followed by up to 15 taxonomies for that location.


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The website offers an online look up option and download option for taxonomy codes.

The National Plan and Provider Enumeration System (NPPES) for National Provider Identifier (NPI) information can be found at


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