Dietitian, Registered Providers — NPI Directory

77,091 active Dietitian, Registered providers hold an NPI in the latest NPPES snapshot. Dietitian, Registered falls under the “Dietary & Nutritional Service Providers” taxonomy grouping and spans 9 NUCC taxonomy codes. Browse by state, or look a provider up by name or NPI number.

Dietitian, Registered by state

Dietitian, Registered in California (7,925)
Dietitian, Registered in Texas (5,845)
Dietitian, Registered in New York (5,375)
Dietitian, Registered in Florida (3,939)
Dietitian, Registered in Pennsylvania (3,512)
Dietitian, Registered in Illinois (3,221)
Dietitian, Registered in North Carolina (3,074)
Dietitian, Registered in Ohio (2,815)
Dietitian, Registered in Massachusetts (2,649)
Dietitian, Registered in New Jersey (2,442)
Dietitian, Registered in Washington (2,402)
Dietitian, Registered in Michigan (2,000)
Dietitian, Registered in Georgia (1,772)
Dietitian, Registered in Minnesota (1,678)
Dietitian, Registered in Arizona (1,620)
Dietitian, Registered in Colorado (1,596)
Dietitian, Registered in Virginia (1,554)
Dietitian, Registered in Wisconsin (1,525)
Dietitian, Registered in Missouri (1,519)
Dietitian, Registered in Tennessee (1,402)
Dietitian, Registered in Maryland (1,354)
Dietitian, Registered in Indiana (1,320)
Dietitian, Registered in Oklahoma (1,085)
Dietitian, Registered in Oregon (1,065)
Dietitian, Registered in Connecticut (971)
Dietitian, Registered in Louisiana (938)
Dietitian, Registered in South Carolina (889)
Dietitian, Registered in Kentucky (872)
Dietitian, Registered in Alabama (810)
Dietitian, Registered in Utah (777)
Dietitian, Registered in Iowa (739)
Dietitian, Registered in Kansas (625)
Dietitian, Registered in Arkansas (623)
Dietitian, Registered in Nevada (593)
Dietitian, Registered in Idaho (549)
Dietitian, Registered in New Hampshire (501)
Dietitian, Registered in Rhode Island (446)
Dietitian, Registered in Mississippi (429)
Dietitian, Registered in Nebraska (406)
Dietitian, Registered in Puerto Rico (396)
Dietitian, Registered in New Mexico (389)
Dietitian, Registered in Maine (380)
Dietitian, Registered in Montana (372)
Dietitian, Registered in District of Columbia (360)
Dietitian, Registered in North Dakota (329)
Dietitian, Registered in Hawaii (312)
Dietitian, Registered in West Virginia (292)
Dietitian, Registered in Delaware (286)
Dietitian, Registered in South Dakota (279)
Dietitian, Registered in Alaska (265)
Dietitian, Registered in Vermont (227)

Taxonomy codes for Dietitian, Registered

133V00000X — Registered Dietitian (73,223 providers)
133VN1101X — Gerontological Nutrition Registered Dietitian (60 providers)
133VN1006X — Metabolic Nutrition Registered Dietitian (877 providers)
133VN1201X — Obesity and Weight Management Nutrition Registered Dietitian (475 providers)
133VN1301X — Oncology Nutrition Registered Dietitian (127 providers)
133VN1004X — Pediatric Nutrition Registered Dietitian (1,374 providers)
133VN1401X — Pediatric Critical Care Nutrition Registered Dietitian (14 providers)
133VN1005X — Renal Nutrition Registered Dietitian (677 providers)
133VN1501X — Sports Dietetics Nutrition Registered Dietitian (264 providers)

Frequently asked questions

How do I find a Dietitian, Registered 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 Dietitian, Registered use?

Dietitian, Registered covers 9 NUCC taxonomy codes, including 133V00000X (Registered Dietitian). Each code page explains when it applies.

How many Dietitian, Registered providers are there in the U.S.?

Our latest NPPES snapshot lists 77,091 active providers with Dietitian, Registered as their primary taxonomy.

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