Nutritionist Providers — NPI Directory

6,331 active Nutritionist providers hold an NPI 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.

Nutritionist by state

Nutritionist in California (816)
Nutritionist in New York (541)
Nutritionist in Puerto Rico (417)
Nutritionist in Texas (377)
Nutritionist in Maryland (330)
Nutritionist in Florida (325)
Nutritionist in Washington (281)
Nutritionist in Colorado (265)
Nutritionist in New Jersey (245)
Nutritionist in Pennsylvania (225)
Nutritionist in Massachusetts (182)
Nutritionist in Illinois (181)
Nutritionist in Virginia (168)
Nutritionist in Oregon (162)
Nutritionist in Connecticut (158)
Nutritionist in Arizona (157)
Nutritionist in North Carolina (149)
Nutritionist in Georgia (118)
Nutritionist in Michigan (115)
Nutritionist in Tennessee (71)
Nutritionist in Minnesota (70)
Nutritionist in Wisconsin (64)
Nutritionist in Ohio (57)
Nutritionist in Utah (49)
Nutritionist in Nevada (48)
Nutritionist in South Carolina (48)
Nutritionist in Indiana (44)
Nutritionist in Missouri (44)
Nutritionist in Oklahoma (43)
Nutritionist in Idaho (38)
Nutritionist in Louisiana (38)
Nutritionist in Nebraska (38)
Nutritionist in Alabama (36)
Nutritionist in Kentucky (36)
Nutritionist in New Hampshire (32)
Nutritionist in New Mexico (32)
Nutritionist in District of Columbia (31)
Nutritionist in Montana (29)
Nutritionist in Rhode Island (27)
Nutritionist in Vermont (26)
Nutritionist in Arkansas (25)
Nutritionist in Delaware (25)
Nutritionist in Hawaii (21)
Nutritionist in Maine (21)
Nutritionist in Mississippi (14)
Nutritionist in North Dakota (14)
Nutritionist in West Virginia (14)
Nutritionist in Alaska (13)
Nutritionist in Iowa (13)
Nutritionist in Wyoming (12)
Nutritionist in South Dakota (11)

Taxonomy codes for Nutritionist

133N00000X — Nutritionist (4,392 providers)
133NN1002X — Nutrition Education Nutritionist (1,939 providers)

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 6,331 active providers with Nutritionist as their primary taxonomy.

Source: CMS NPPES (public data). Snapshot 2026-07-09.