Gastroenterologists in the United States
- Gastroenterologists
- 20,194
- Linked to a hospital or group
- 17,681
- Hospitals with a gastroenterologist
- 3,575
- Medical groups with a gastroenterologist
- 3,639
- States and territories
- 54
There are 20,194 gastroenterologists in the US. California has the most, 2,103, and Tisch Hospital has the most affiliated gastroenterologists of any hospital, 159. 42% finished medical school 30 or more years ago.
Find work emails and mobile numbers for all 20,194 US gastroenterologists
Validated work emails and mobile numbers for US gastroenterologists, found through healthcare waterfall enrichment, with a free Dmand AI account.
California has the most gastroenterologists, with 2,103
There are 20,194 gastroenterologists in the US, according to Dmand AI data. New York is second with 1,718, and Florida third with 1,442.
Gastroenterologists in every other state and territory
- Virginia542
- Georgia542
- Michigan530
- Washington501
- Maryland447
- Minnesota425
- Arizona414
- Tennessee382
- Indiana376
- Missouri364
- Wisconsin315
- Colorado315
- Connecticut311
- South Carolina285
- Oregon265
- Louisiana255
- Alabama226
- Kentucky224
- Puerto Rico189
- Oklahoma164
- Utah149
- Iowa130
- Arkansas126
- Nevada115
- Mississippi115
- Kansas107
- New Mexico107
- New Hampshire97
- Maine97
- Idaho92
- West Virginia91
- Nebraska89
- Rhode Island89
- Hawaii86
- Washington, DC83
- Montana50
- South Dakota49
- Delaware47
- Vermont33
- Alaska31
- North Dakota30
- Wyoming17
- U.S. Virgin Islands3
- Guam1
Source: NPPES NPI Registry (CMS)
For health IT teams
Dmand AI has the EHR for 18,666 of 20,194 US gastroenterologists, 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.
Texas Digestive Disease Consultants has the most gastroenterologists of any US medical group, with 435
The Permanente Medical Group, Inc. is second with 188, and Gastro Health third with 162. Counts are gastroenterologists linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Tisch Hospital has the most affiliated gastroenterologists of any US hospital, with 159
Cleveland Clinic Main Campus is second with 142, and Mayo Clinic Hospital, Saint Marys Campus third with 131. US gastroenterologists are affiliated with 3,575 hospitals in all.
See every hospital and group for each US gastroenterologist
Each public profile names one place a gastroenterologist practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
15,066 US gastroenterologists practice at a hospital, the most common site of care
11,871 also practice at a medical group site, and 4,904 at an ambulatory surgery center. A gastroenterologist can practice at several kinds of site, so the shares overlap.
US gastroenterologists by site of care
- Hospitals15,066
- Medical group practices11,871
- Ambulatory surgery centers4,904
- Physician offices1,526
- Clinical labs419
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
42% of US gastroenterologists finished medical school 30 or more years ago
6,817 of the 16,258 US gastroenterologists with a graduation year on file. 1,081 graduated in the last 10 years, fewer than graduated 40 or more years ago.
Physicians by years since medical school
- Under 10 years ago1,081
- 10 to 19 years ago4,414
- 20 to 29 years ago3,946
- 30 to 39 years ago3,193
- 40 or more years ago3,624
Source: Dmand AI Professional Profile Data
Every US gastroenterologist 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 gastroenterologist 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 |
| Medical school graduation year | Dmand AI Professional Profile Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
Gastroenterologists are HCPs whose primary specialty is gastroenterology (taxonomy code 207RG0100X), with an active NPI and a US practice address.
FAQ
Frequently asked questions about gastroenterologists 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 gastroenterologists are in the US?
20,194 gastroenterologists have an active NPI, a US practice address and gastroenterology (taxonomy code 207RG0100X) as their primary specialty. 17,681 of them are linked to a hospital or medical group.
Which state has the most gastroenterologists?
California, with 2,103, followed by New York with 1,718 and Florida with 1,442.
Which medical groups have the most gastroenterologists?
Texas Digestive Disease Consultants, with 435, followed by The Permanente Medical Group, Inc. with 188 and Gastro Health with 162.
Which hospitals have the most gastroenterologists?
Tisch Hospital, with 159 affiliated gastroenterologists, followed by Cleveland Clinic Main Campus with 142 and Mayo Clinic Hospital, Saint Marys Campus with 131.
How many US gastroenterologists finished medical school 30 or more years ago?
6,817 of the 16,258 with a graduation year on file, or 42%. 1,081 graduated in the last 10 years.
What is the taxonomy code for gastroenterology?
207RG0100X is the NPPES taxonomy code for gastroenterology. Sub-specialties with their own code are counted on their own lists.
Dmand AI
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Search 20,194 US gastroenterologists by state, hospital, medical group and the EHR they use, with validated work emails and mobile numbers.
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