NUCC taxonomy code

133NN1002X - Nutrition Education Nutritionist

133NN1002X is the NUCC provider taxonomy code for Nutrition Education Nutritionist, a specialization within Nutritionist (individual providers). 1,954 providers in our latest NPPES snapshot list it as their primary taxonomy.

1,954 providers · primary taxonomy

Code breakdown

Taxonomy code 133NN1002X

Display name Nutrition Education Nutritionist

Grouping Dietary & Nutritional Service Providers

Classification Nutritionist

Specialization Nutrition, Education

Section Individual

Directory Nutritionist provider directory

Definition

Definition to come...

Definition from the NUCC Health Care Provider Taxonomy code set.

Related taxonomy codes

133N00000X Nutritionist 132700000X Dietary Manager 136A00000X Registered Dietetic Technician 133V00000X Registered Dietitian 133VN1101X Gerontological Nutrition Registered Dietitian (Dietitian, Registered) 133VN1006X Metabolic Nutrition Registered Dietitian (Dietitian, Registered) 133VN1201X Obesity and Weight Management Nutrition Registered Dietitian (Dietitian, Registered) 133VN1301X Oncology Nutrition Registered Dietitian (Dietitian, Registered)

Frequently asked questions

What does taxonomy code 133NN1002X mean?

133NN1002X is the NUCC Health Care Provider Taxonomy code for Nutrition Education Nutritionist, a specialization of Nutritionist in the "Dietary & Nutritional Service Providers" grouping. It classifies individual providers.

Where is the taxonomy code used?

Providers select a taxonomy code when applying for an NPI, and it appears on insurance claims (CMS-1500 box 33b / 837 electronic claims) to identify the provider's classification. Payers may require the taxonomy that matches your credential and license.

How do I find providers with taxonomy 133NN1002X?

Browse the Nutritionist directory, or use the NPI search and filter by state.

Source: CMS NPPES (public data). Snapshot 2026-07-13.