Registered dietitians in the United States
- Registered dietitians
- 356
- Linked to a hospital or group
- 110
- Hospitals with a registered dietitian
- 28
- Medical groups with a registered dietitian
- 79
- States and territories
- 45
There are 356 registered dietitians in the US. New York has the most, 33, and MaineHealth Maine Medical Center has the most affiliated registered dietitians of any hospital, 2.
Find work emails and mobile numbers for all 356 US registered dietitians
Validated work emails and mobile numbers for US registered dietitians, found through healthcare waterfall enrichment, with a free Dmand AI account.
New York has the most registered dietitians, with 33
There are 356 registered dietitians in the US, according to Dmand AI data. California is second with 29, and Illinois third with 24.
Registered dietitians in every other state and territory
- Ohio11
- Indiana9
- Colorado9
- Minnesota9
- Maryland9
- Michigan9
- Tennessee8
- North Carolina7
- Mississippi6
- Arizona6
- Connecticut6
- Oregon5
- Maine5
- Idaho4
- Louisiana4
- Kansas4
- Alabama4
- Missouri4
- Washington4
- Nebraska3
- Oklahoma3
- Montana3
- Iowa3
- Nevada3
- Kentucky3
- South Carolina2
- New Hampshire2
- Wisconsin2
- Delaware2
- South Dakota2
- Rhode Island1
- Arkansas1
- Utah1
- Alaska1
- Puerto Rico1
Source: NPPES NPI Registry (CMS)
For health IT teams
Dmand AI has the EHR for 153 of 356 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 11
Nourish is second with 9, and MaineHealth Primary Care - Family Medicine - Portland third with 4. Counts are registered dietitians linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
MaineHealth Maine Medical Center has the most affiliated registered dietitians of any US hospital, with 2
St. Mary's Regional Hospital in Grand Junction is second with 1, and Cleveland Clinic Martin North Hospital third with 1. US registered dietitians are affiliated with 28 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 54
31 also practice at hospitals, and 12 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 practices54
- Hospitals31
- Physician offices12
- Ambulatory surgery centers6
- Behavioral health centers2
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 dietitian, registered (taxonomy code 133VN1201X), 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?
356 registered dietitians have an active NPI, a US practice address and dietitian, registered (taxonomy code 133VN1201X) as their primary specialty. 110 of them are linked to a hospital or medical group.
Which state has the most registered dietitians?
New York, with 33, followed by California with 29 and Illinois with 24.
Which medical groups have the most registered dietitians?
Fay Nutrition, with 11, followed by Nourish with 9 and MaineHealth Primary Care - Family Medicine - Portland with 4.
Which hospitals have the most registered dietitians?
MaineHealth Maine Medical Center, with 2 affiliated registered dietitians, followed by St. Mary's Regional Hospital with 1 and Cleveland Clinic Martin North Hospital with 1.
What is the taxonomy code for dietitian, registered?
133VN1201X is the NPPES taxonomy code for dietitian, registered. Sub-specialties with their own code are counted on their own lists.
Dmand AI
Find the right contacts among US registered dietitians
Search 356 US registered dietitians by state, hospital, medical group and the EHR they use, with validated work emails and mobile numbers.
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