Registered dietitians in the United States
- Registered dietitians
- 68,093
- Linked to a hospital or group
- 14,940
- Hospitals with a registered dietitian
- 1,353
- Medical groups with a registered dietitian
- 2,671
- States and territories
- 55
There are 68,093 registered dietitians in the US. California has the most, 7,391, and Cleveland Clinic Main Campus has the most affiliated registered dietitians of any hospital, 86.
Find work emails and mobile numbers for all 68,093 US registered dietitians
Validated work emails and mobile numbers for US registered dietitians, found through healthcare waterfall enrichment, with a free Dmand AI account.
California has the most registered dietitians, with 7,391
There are 68,093 registered dietitians in the US, according to Dmand AI data. New York is second with 5,030, and Texas third with 4,818.
Registered dietitians in every other state and territory
- Washington2,066
- Michigan1,729
- Minnesota1,548
- Wisconsin1,418
- Georgia1,406
- Arizona1,363
- Virginia1,306
- Missouri1,298
- Colorado1,253
- Tennessee1,197
- Indiana1,167
- Maryland1,098
- Oklahoma935
- Oregon915
- Connecticut811
- Louisiana802
- Kentucky774
- South Carolina758
- Alabama688
- Iowa671
- Utah643
- Kansas556
- Arkansas536
- Nevada497
- Idaho462
- New Hampshire440
- Mississippi370
- Rhode Island369
- Nebraska346
- Puerto Rico343
- New Mexico334
- Maine324
- North Dakota305
- Montana302
- Washington, DC293
- West Virginia267
- Hawaii256
- Delaware251
- South Dakota247
- Alaska226
- Vermont220
- Wyoming127
- Guam17
- U.S. Virgin Islands12
- Northern Mariana Islands7
Source: NPPES NPI Registry (CMS)
For health IT teams
Dmand AI has the EHR for 31,910 of 68,093 US registered dietitians, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.
Fay Nutrition has the most registered dietitians of any US medical group, with 2,018
Nourish is second with 1,608, and BSH Health PA third with 168. Counts are registered dietitians linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Cleveland Clinic Main Campus has the most affiliated registered dietitians of any US hospital, with 86
Boston Children's Hospital is second with 53, and Lucile Packard Children's Hospital Stanford third with 37. US registered dietitians are affiliated with 1,353 hospitals in all.
See every hospital and group for each US registered dietitian
Each public profile names one place a registered dietitian practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
Group practices and clinics are the most common site of care for US registered dietitians, with 5,303
3,928 also practice at hospitals, and 2,240 at physician offices. A registered dietitian can practice at several kinds of site, so the shares overlap.
US registered dietitians by site of care
- Medical group practices5,303
- Hospitals3,928
- Physician offices2,240
- FQHCs797
- Ambulatory surgery centers455
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
Every US registered dietitian profile shows current hospitals and groups, Medicare activity and NPI details
- Primary practiceThe main place they practice, with its type and cityOn every profile
- Every site of careEach hospital, clinic and group where they practice nowWith a free account
- EmployerThe organization they work for, when one is on fileWith a free account
- Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
- Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
- Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
- Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
- Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
- NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
- Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
- EHR in useThe EHR at each site where they practiceWith a free account
- Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data
Sources for the US registered dietitian directory
| Data on this page | Source |
|---|---|
| HCPs, types and specialties | NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data |
| Sites of care, hospitals and medical groups | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
Registered dietitians are HCPs whose primary specialty is registered dietitian (taxonomy code 133V00000X), with an active NPI and a US practice address.
FAQ
Frequently asked questions about registered dietitians in the US
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many registered dietitians are in the US?
68,093 registered dietitians have an active NPI, a US practice address and registered dietitian (taxonomy code 133V00000X) as their primary specialty. 14,940 of them are linked to a hospital or medical group.
Which state has the most registered dietitians?
California, with 7,391, followed by New York with 5,030 and Texas with 4,818.
Which medical groups have the most registered dietitians?
Fay Nutrition, with 2,018, followed by Nourish with 1,608 and BSH Health PA with 168.
Which hospitals have the most registered dietitians?
Cleveland Clinic Main Campus, with 86 affiliated registered dietitians, followed by Boston Children's Hospital with 53 and Lucile Packard Children's Hospital Stanford with 37.
What is the taxonomy code for registered dietitian?
133V00000X is the NPPES taxonomy code for registered dietitian. Sub-specialties with their own code are counted on their own lists.
Dmand AI
Find the right contacts among US registered dietitians
Search 68,093 US registered dietitians by state, hospital, medical group and the EHR they use, with validated work emails and mobile numbers.
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