What does a Registered Dietitian do?

A Registered Dietitian is a licensed healthcare provider whose primary specialty is classified under the Registered Dietitian taxonomy code (133V00000X) in the NUCC Health Care Provider Taxonomy maintained by the National Uniform Claim Committee. NPI numbers are assigned by CMS and required for all U.S. healthcare billing.

Where does this Registered Dietitian provider data come from?

All data comes from the NPPES (National Plan and Provider Enumeration System) public data files published by the Centers for Medicare & Medicaid Services (CMS). Every licensed U.S. healthcare provider must register an NPI number with CMS. For real-time NPI lookup, use the official registry at nppes.cms.hhs.gov.

Registered Dietitian Providers

Q: How many Registered Dietitian providers are in the US?

71,760 Registered Dietitian providers have their primary specialty listed as Registered Dietitian in the NPPES National Provider Identifier registry. This includes both active and deactivated NPI records. The states with the most Registered Dietitian providers are California (7,316), Texas (5,238), New York (5,062).

Q: How do I find a Registered Dietitian provider near me?

Use the state filter on this page to narrow Registered Dietitian providers by state. You can also search by provider name. Each provider listing links to a full profile with their practice address, NPI number, and credentials. For appointment scheduling, contact the provider's office directly — DoctorDataHub displays registry data only and does not support appointment booking.

The NPPES registry lists 71,760 Registered Dietitian providers across the United States — including both individual practitioners and organizations with Registered Dietitian as their primary specialty. The highest concentrations are in California, Texas, New York . Use the filters below to narrow by state or search by name.

Data sourced from the NPPES public data files published by CMS. Taxonomy code: 133V00000X.

Sole Proprietor Active Only

Name	Credential	City, State	NPI
MS. MARY K AARDAL	R.D.	MOSES LAKE, WA	1659570489
TAYLOR AARNS	RDN	BELLEVILLE, IL	1295475820
CATHERINE AARON	—	JASPER, AL	1093202194
MRS. KYLIE AARON	RDN, IBCLC	TEMPE, AZ	1962109124
CAITLIN AARTS	RD LD	FORT WORTH, TX	1225723604
TAYLOR AASAND	RDN	GILBERT, AZ	1164900478
KARINA ABADIA	RD	DORAL, FL	1326803396
MADELINE ELIZABETH ABADIE	RDN, LDN	METAIRIE, LA	1417741422
JACQUELIN ABARCA	RD	TUCSON, AZ	1982344495
MRS. ZEITHUN A ABAS	MS, RD, LD, CDCES	LAWRENCEVILLE, GA	1083356703
ANDREA J ABATEMARCO	RD	DETROIT, MI	1104073162
JERILYN R ABBA	—	RIPON, WI	1487725172
TARA ABBA	MS, RD, CNSC	DELMAR, NY	1629761853
ERICA ABBARNO	—	CHAGRIN FALLS, OH	1770241218
EMAN H ABBAS	RD	WOODSIDE, NY	1730995549
KIMBERLY ABBAS	RDN, LD	TOLEDO, OH	1285055277
DR. NAZANIN ABBASPOUR	PHD, RDN, IFNCP	SAN DIEGO, CA	1871180695
MS. GINA LYNN ABBATEMARCO	RD	LYONS, NJ	1518211895
REBECCA JAYNE ABBATIELLO	RD	WHEATON, IL	1437460748
ANDREA N ABBE	LDN	HERSHEY, PA	1366623795
ELIZABETH ABBEY	PHD, RDN, CDN	SPOKANE, WA	1558148247
KERI ANN ABBEY	—	SPOKANE, WA	1831798495
MICHELLE ABBEY	—	SAN DIEGO, CA	1932692878
VANESSA ABBOOD	MS, RD, LD	FORT WORTH, TX	1790207165
BRITTANY ABBOTT	RD, LD	NEW LONDON, NH	1891506705
BROOKE MELODY ABBOTT	RDN	MIAMI, FL	1699584714
CONNOR ABBOTT	RD, RDN	BATAVIA, NY	1023722006
DENISE ABBOTT	RD, LD, RN	EUGENE, OR	1952730384
EMILY JEAN ABBOTT	—	TORRANCE, CA	1477064871
MS. JACQUELINE ABBOTT	DRPH, RDN, DOULA	OREGON CITY, OR	1477536902
KATHRYN KELLY ABBOTT	RD	NORFOLK, VA	1982039699
KIRSTEN ABBOTT	—	LAKEWOOD, CO	1336966530
MS. KORI FAWN ABBOTT	RD	BAINBRIDGE ISLAND, WA	1174776991
LAUREN ABBOTT	RD, LD	STILLWATER, OK	1164117156
MRS. LYNN MARIE ABBOTT	RD	BOSTON, MA	1699006601
SAMARA ABBOTT	RD	CHARLOTTE, NC	1942754031
SYDNEY ABBOTT	—	SALT LAKE CITY, UT	1528444569
RITA MARIE ABBOUD	MS, RDN, LD	WOOSTER, OH	1528505831
ANA S ABBUD	RDN, CDCES	DENVER, CO	1336985399
LAILI ABD LATIF	MS RD CD	KENNEWICK, WA	1598924284
RAWAN AHMED ABDALLA	RDN	FRANKLIN PARK, NJ	1164049219
JILL M. ABDALLAH	MS, RD, CDN	WHITE PLAINS, NY	1780055525
MAHA MORTADA ABDALLAH	MS, RDN	GRAND RAPIDS, MI	1093531790
HEBA ABDEL LATIEF	RDN	CHICAGO, IL	1821554593
INTISAR ABDEL-ALIM	RD	HENRICO, VA	1972469518
NOURHAN ABDELFATTAH	—	HANOVER, MD	1154022283
FATIMA AZZAHRA ABDELHAFEEZ	RD	ANAHEIM, CA	1356003727
HEBA ABDELNABI	MS, RD, CDN	BROOKLYN, NY	1710599766
JANICE RIDDELL ABDELNOUR	R.D, C.D.E.	JACKSONVILLE, FL	1043548431
NUHA ABDELRAHIM	RDN	COON RAPIDS, MN	1124723671

Registered Dietitian Providers by State

APO/FPO Americas 3 APO/FPO Europe, Middle East & Africa 62 APO/FPO Pacific 32 Alabama 757 Alaska 258 Arizona 1,513 Arkansas 585 California 7,316 Colorado 1,487 Connecticut 908 Delaware 275 Florida 3,644 Georgia 1,635 Guam 20 Hawaii 294 Idaho 502 Illinois 3,008 Indiana 1,238 Iowa 706 Kansas 594 Kentucky 813 Louisiana 887 Maine 364 Maryland 1,252 Massachusetts 2,455 Michigan 1,890 Minnesota 1,606 Mississippi 407 Missouri 1,389 Montana 356 Nebraska 366 Nevada 567 New Hampshire 480 New Jersey 2,286 New Mexico 359 New York 5,062 North Carolina 2,878 North Dakota 316 Northern Mariana Islands 8 Ohio 2,602 Oklahoma 1,026 Oregon 994 Pennsylvania 3,336 Puerto Rico 368 Rhode Island 407 South Carolina 822 South Dakota 268 Tennessee 1,281 Texas 5,238 U.S. Virgin Islands 17 Utah 688 Vermont 207 Virginia 1,420 Washington 2,278 Washington D.C. 320 West Virginia 277 Wisconsin 1,478 Wyoming 155

Browse Registered Dietitian Providers by Gender

Female Registered Dietitian Providers Male Registered Dietitian Providers

Frequently Asked Questions

How many Registered Dietitian providers are in the United States?

71,760 providers list Registered Dietitian as their primary specialty in the NPPES registry. This count reflects all registered NPI records with the Registered Dietitian taxonomy code (133V00000X), including both active and deactivated records. The largest concentrations are in California (7,316), Texas (5,238), New York (5,062).

What is the NUCC taxonomy code for Registered Dietitian?

The NUCC Health Care Provider Taxonomy code for Registered Dietitian is 133V00000X. NUCC taxonomy codes are maintained by the National Uniform Claim Committee and are used on CMS 1500 claim forms and in the NPPES registry to classify provider types and specialties.

How do I find a Registered Dietitian provider near me?

Use the state dropdown above to narrow Registered Dietitian providers to your state. You can also search by name. Each result links to a full provider profile with their practice address, NPI number, and credentials. For appointments, contact the provider's office directly — DoctorDataHub displays registry data only and does not support booking.

What credentials do Registered Dietitian providers typically hold?

Credentials vary by Registered Dietitian provider type. Individual practitioners commonly hold degrees such as MD (Doctor of Medicine), DO (Doctor of Osteopathic Medicine), NP (Nurse Practitioner), PA (Physician Assistant), or specialty-specific certifications. Each provider's credential is listed in the results table above.

Where does this provider data come from?

DoctorDataHub publishes data from the NPPES public data files released by the Centers for Medicare & Medicaid Services. Every licensed U.S. healthcare provider is required to obtain an NPI number. For real-time lookup and the most current information, use the official registry at nppes.cms.hhs.gov.