Gastroenterologists in California
- Gastroenterologists
- 2,103
- Linked to a hospital or group
- 1,813
- Hospitals with a gastroenterologist
- 292
- Medical groups with a gastroenterologist
- 355
- Cities
- 232
There are 2,103 gastroenterologists in California. The Permanente Medical Group, Inc. has the most, 178, and Stanford Hospital at 300 Pasteur Drive has the most affiliated gastroenterologists, 103. San Diego is home to 136, and 40% finished medical school 30 or more years ago.
Find work emails and mobile numbers for all 2,103 California gastroenterologists
Validated work emails and mobile numbers for California gastroenterologists, found through healthcare waterfall enrichment, with a free Dmand AI account.
California gastroenterologists, listed A to Z by last name
Each gastroenterologist on the list has gastroenterology as their primary specialty and a California practice address. The list shows the NPI and city, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.
Filter this list with a free account
Sort and filter all 2,103 California gastroenterologists by city, hospital, medical group, the EHR they use and Medicare volume in Dmand AI.
Showing 1 to 10 of 1,977 California gastroenterologists
The list shows the 1,977 gastroenterologists with a public profile. The other 126 are counted in the total and searchable with a free account.
Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data
For health IT teams
Dmand AI has the EHR for 1,941 of 2,103 California 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.
The Permanente Medical Group, Inc. has the most gastroenterologists in California, with 178
Southern California Permanente Medical Group is second with 144, and UCLA Medical Group third with 74. Counts are gastroenterologists with a California address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Stanford Hospital at 300 Pasteur Drive has the most affiliated gastroenterologists in California, with 103
Cedars-Sinai Medical Center in Los Angeles is second with 71, and Ronald Reagan UCLA Medical Center third with 69. California gastroenterologists are affiliated with 292 hospitals in all.
See every hospital and group for each California 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
San Diego has the most gastroenterologists in California, with 136
More California cities with gastroenterologists
Gastroenterologists practice in 232 California cities. Every city with 10 or more has its own page.
Source: NPPES NPI Registry (CMS)
Most California gastroenterologists practice at a hospital: 1,542 of the 1,790 with a mapped site
1,127 also practice at a medical group site, and 489 at an ambulatory surgery center. A gastroenterologist can practice at several kinds of site, so the shares overlap.
California gastroenterologists by site of care
- Hospitals1,542
- Medical group practices1,127
- Ambulatory surgery centers489
- Physician offices241
- FQHCs40
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
40% of California gastroenterologists finished medical school 30 or more years ago
662 of the 1,657 California gastroenterologists with a graduation year on file. 109 graduated in the last 10 years, fewer than graduated 40 or more years ago.
Physicians by years since medical school
- Under 10 years ago109
- 10 to 19 years ago467
- 20 to 29 years ago419
- 30 to 39 years ago290
- 40 or more years ago372
Source: Dmand AI Professional Profile Data
Every California 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 California 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 California practice address.
FAQ
Frequently asked questions about gastroenterologists in California
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 California?
2,103 gastroenterologists have an active NPI, a California practice address and gastroenterology (taxonomy code 207RG0100X) as their primary specialty. 1,813 of them are linked to a hospital or medical group.
Which California medical groups have the most gastroenterologists?
The Permanente Medical Group, Inc., with 178, followed by Southern California Permanente Medical Group with 144 and UCLA Medical Group with 74.
Which California hospitals have the most gastroenterologists?
Stanford Hospital at 300 Pasteur Drive, with 103 affiliated gastroenterologists, followed by Cedars-Sinai Medical Center with 71 and Ronald Reagan UCLA Medical Center with 69.
Which California cities have the most gastroenterologists?
San Diego, with 136, followed by Los Angeles (134) and San Francisco (85). Gastroenterologists practice in 232 California cities in all.
How many California gastroenterologists finished medical school 30 or more years ago?
662 of the 1,657 with a graduation year on file, or 40%. 109 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.
How can I contact gastroenterologists in California?
Dmand AI finds validated work emails, mobile numbers and practice phone numbers for gastroenterologists in California through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.
Dmand AI
Find the right contacts among California gastroenterologists
Search 2,103 California gastroenterologists by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.
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