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Dietitian, Registered Providers - NPI Directory

Active Dietitian, Registered providers 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.

77,668 providers with an NPI

Dietitian, Registered by state

California 7,985 Texas 5,940 New York 5,397 Florida 3,970 Pennsylvania 3,538 Illinois 3,246 North Carolina 3,107 Ohio 2,832 Massachusetts 2,675 New Jersey 2,456 Washington 2,402 Michigan 2,012 … 39 more states below …
Active Dietitian, Registered providers by primary practice state, latest NPPES snapshot.

All states, A-Z

State Providers
Dietitian, Registered in Alabama 819
Dietitian, Registered in Alaska 265
Dietitian, Registered in Arizona 1,637
Dietitian, Registered in Arkansas 626
Dietitian, Registered in California 7,985
Dietitian, Registered in Colorado 1,611
Dietitian, Registered in Connecticut 976
Dietitian, Registered in Delaware 287
Dietitian, Registered in District of Columbia 362
Dietitian, Registered in Florida 3,970
Dietitian, Registered in Georgia 1,781
Dietitian, Registered in Hawaii 313
Dietitian, Registered in Idaho 554
Dietitian, Registered in Illinois 3,246
Dietitian, Registered in Indiana 1,325
Dietitian, Registered in Iowa 742
Dietitian, Registered in Kansas 631
Dietitian, Registered in Kentucky 880
Dietitian, Registered in Louisiana 943
Dietitian, Registered in Maine 382
Dietitian, Registered in Maryland 1,367
Dietitian, Registered in Massachusetts 2,675
Dietitian, Registered in Michigan 2,012
Dietitian, Registered in Minnesota 1,689
Dietitian, Registered in Mississippi 436
Dietitian, Registered in Missouri 1,531
State Providers
Dietitian, Registered in Montana 373
Dietitian, Registered in Nebraska 411
Dietitian, Registered in Nevada 598
Dietitian, Registered in New Hampshire 501
Dietitian, Registered in New Jersey 2,456
Dietitian, Registered in New Mexico 389
Dietitian, Registered in New York 5,397
Dietitian, Registered in North Carolina 3,107
Dietitian, Registered in North Dakota 332
Dietitian, Registered in Ohio 2,832
Dietitian, Registered in Oklahoma 1,089
Dietitian, Registered in Oregon 1,072
Dietitian, Registered in Pennsylvania 3,538
Dietitian, Registered in Puerto Rico 396
Dietitian, Registered in Rhode Island 449
Dietitian, Registered in South Carolina 899
Dietitian, Registered in South Dakota 279
Dietitian, Registered in Tennessee 1,422
Dietitian, Registered in Texas 5,940
Dietitian, Registered in Utah 785
Dietitian, Registered in Vermont 228
Dietitian, Registered in Virginia 1,561
Dietitian, Registered in Washington 2,402
Dietitian, Registered in West Virginia 294
Dietitian, Registered in Wisconsin 1,524

Taxonomy codes for Dietitian, Registered

133V00000X Registered Dietitian 73,784 133VN1101X Gerontological Nutrition Registered Dietitian 60 133VN1006X Metabolic Nutrition Registered Dietitian 878 133VN1201X Obesity and Weight Management Nutrition Registered Dietitian 477 133VN1301X Oncology Nutrition Registered Dietitian 130 133VN1004X Pediatric Nutrition Registered Dietitian 1,378 133VN1401X Pediatric Critical Care Nutrition Registered Dietitian 15 133VN1005X Renal Nutrition Registered Dietitian 680 133VN1501X Sports Dietetics Nutrition Registered Dietitian 266

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 77,668 active providers with Dietitian, Registered as their primary taxonomy.

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