NPI Portal NPI Lookup & Verification

Specialty provider hub

Nutritionist Providers - NPI Directory

Active Nutritionist providers in the latest NPPES snapshot. Nutritionist falls under the “Dietary & Nutritional Service Providers” taxonomy grouping and spans 2 NUCC taxonomy codes. Browse by state, or look a provider up by name or NPI number.

6,395 providers with an NPI

Nutritionist by state

California 823 New York 541 Puerto Rico 418 Texas 381 Maryland 332 Florida 328 Washington 283 Colorado 269 New Jersey 247 Pennsylvania 226 Massachusetts 184 Illinois 182 … 39 more states below …
Active Nutritionist providers by primary practice state, latest NPPES snapshot.

All states, A-Z

Taxonomy codes for Nutritionist

Frequently asked questions

How do I find a Nutritionist provider's NPI number?
Search by name with the NPI search, or browse by state below. Every profile shows the provider's NPI, taxonomy code, practice address, and NPPES status.
What taxonomy codes does Nutritionist use?
Nutritionist covers 2 NUCC taxonomy codes, including 133N00000X (Nutritionist). Each code page explains when it applies.
How many Nutritionist providers are there in the U.S.?
Our latest NPPES snapshot lists 6,395 active providers with Nutritionist as their primary taxonomy.

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