Gastroenterologists in Walnut Creek, CA
- Gastroenterologists
- 25
- Linked to a hospital or group
- 21
- Hospitals with a gastroenterologist
- 12
- Medical groups with a gastroenterologist
- 10
- Practice at a hospital
- 19
There are 25 gastroenterologists in Walnut Creek. John Muir Health has the most, 11, and John Muir Medical Center, Walnut Creek has the most affiliated gastroenterologists, 17. 40% finished medical school 30 or more years ago.
Find work emails and mobile numbers for all 25 Walnut Creek gastroenterologists
Validated work emails and mobile numbers for Walnut Creek gastroenterologists, found through healthcare waterfall enrichment, with a free Dmand AI account.
Walnut Creek gastroenterologists, listed A to Z by last name
Each gastroenterologist on the list has gastroenterology as their primary specialty and a Walnut Creek practice address. The list shows the NPI, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.
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Sort and filter all 25 Walnut Creek gastroenterologists by hospital, medical group, the EHR they use and Medicare volume in Dmand AI.
The list shows the 22 gastroenterologists with a public profile. The other 3 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 23 of 25 Walnut Creek 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.
John Muir Health has the most gastroenterologists in Walnut Creek, with 11
John Muir Medical Group is second with 8, and BASS Medical Group third with 8. Counts are gastroenterologists with a California address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
John Muir Medical Center, Walnut Creek has the most affiliated gastroenterologists in Walnut Creek, with 17
Concord Medical Center is second with 10, and Alta Bates Summit Medical Center | Alta Bates Campus third with 4. Walnut Creek gastroenterologists are affiliated with 12 hospitals in all.
See every hospital and group for each Walnut Creek 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
Most Walnut Creek gastroenterologists practice at a hospital: 19 of the 21 with a mapped site
18 also practice at a medical group site, and 7 at an ambulatory surgery center. A gastroenterologist can practice at several kinds of site, so the shares overlap.
Walnut Creek gastroenterologists by site of care
- Hospitals19
- Medical group practices18
- Ambulatory surgery centers7
- Dialysis centers4
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
40% of Walnut Creek gastroenterologists finished medical school 30 or more years ago
8 of the 20 Walnut Creek gastroenterologists with a graduation year on file. 0 graduated in the last 10 years, fewer than graduated 40 or more years ago.
Physicians by years since medical school
- Under 10 years ago0
- 10 to 19 years ago10
- 20 to 29 years ago2
- 30 to 39 years ago4
- 40 or more years ago4
Source: Dmand AI Professional Profile Data
Every Walnut Creek 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 Walnut Creek 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 Walnut Creek practice address.
FAQ
Frequently asked questions about gastroenterologists in Walnut Creek
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 Walnut Creek?
25 gastroenterologists have an active NPI, a Walnut Creek practice address and gastroenterology (taxonomy code 207RG0100X) as their primary specialty. 21 of them are linked to a hospital or medical group.
Which Walnut Creek medical groups have the most gastroenterologists?
John Muir Health, with 11, followed by John Muir Medical Group with 8 and BASS Medical Group with 8.
Which Walnut Creek hospitals have the most gastroenterologists?
John Muir Medical Center, Walnut Creek, with 17 affiliated gastroenterologists, followed by Concord Medical Center with 10 and Alta Bates Summit Medical Center | Alta Bates Campus with 4.
What share of Walnut Creek gastroenterologists practice at a hospital?
19 of the 21 Walnut Creek gastroenterologists with a mapped site of care, or 90%, have a current hospital affiliation.
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.
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