Gastroenterologists in San Antonio, TX

  • Gastroenterology
  • San Antonio, Texas
Gastroenterologists
97
Linked to a hospital or group
85
Hospitals with a gastroenterologist
25
Medical groups with a gastroenterologist
25
Practice at a hospital
70

There are 97 gastroenterologists in San Antonio. Texas Digestive Disease Consultants has the most, 46, and Methodist Hospital has the most affiliated gastroenterologists, 31. 31% finished medical school 30 or more years ago.

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San Antonio gastroenterologists, listed A to Z by last name

Each gastroenterologist on the list has gastroenterology as their primary specialty and a San Antonio 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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San Antonio gastroenterologists, A to Z
GastroenterologistHospitalsMedical groupsEmail and phone
Muhammad Ali, MDNPI 14272486081 hospital1 groupContacts
Hector D. Allende, MDNPI 1235237595-2 groupsContacts
John Jacob Alvarez, MDNPI 12556920832 hospitals1 groupContacts
Balaji Kodandaraman AyyarNPI 14375952042 hospitals2 groupsContacts
Hopethe Hope Baker, MDNPI 11747934834 hospitals2 groupsContacts
Boris R. Blechacz, MDNPI 11747183081 hospital-Contacts
Amy E. Bortzfield, MDNPI 1134276090-1 groupContacts
Charles Elmer Brady III, MDNPI 1255448221--Contacts
Brenda Marcela Briones, MDNPI 12456938031 hospital2 groupsContacts
Matheus Cavalcante FrancoNPI 1790231496-1 groupContacts
Jorge Miguel Cavazos, MDNPI 11848013591 hospital2 groupsContacts
Abhishek ChallaNPI 14779686592 hospitals1 groupContacts
Delbert Lee Chumley, MDNPI 1740272962-1 groupContacts
Elizabeth Coss, MDNPI 1013112127-2 groupsContacts
Seema A. Dar, MDNPI 1548350598-1 groupContacts
Kevin J. Dasher, MDNPI 13866027125 hospitals3 groupsContacts
Souleymane Yaya Diallo, DONPI 18315340722 hospitals1 groupContacts
Sunil K. Dwivedi, MDNPI 10038540761 hospital2 groupsContacts
Karolina Natalia Dziadkowiec, MDNPI 11942297161 hospital1 groupContacts
Juan Fernando Echavarria, MDNPI 16696292422 hospitals1 groupContacts
Alfredo A. Espinoza, MDNPI 16291856161 hospital2 groupsContacts
Eddie Flores, MDNPI 15684662172 hospitals1 groupContacts
Kevin J. Franklin, MDNPI 16997005833 hospitals1 groupContacts
Heather N. Franz, CNSNPI 1205242278-2 groupsContacts
Ravi L. Ganeshappa, MDNPI 14574596954 hospitals2 groupsContacts
Rajat Garg, MDNPI 17103609463 hospitals2 groupsContacts
Mario A. Garza, MDNPI 11947196662 hospitals1 groupContacts
Angel Gonzalez, MDNPI 15181327112 hospitals1 groupContacts
Gary Scott Gossen, MDNPI 11240910791 hospital2 groupsContacts
Amit GoyalNPI 12250036765 hospitals2 groupsContacts
Glenn W. Gross, MDNPI 1447367503--Contacts
Ernesto C. Guerra Jr., MDNPI 15583664352 hospitals1 groupContacts
Michael J. Guirl, MDNPI 19624967112 hospitals2 groupsContacts
Andrew Jeongkwon Han, MDNPI 15183003591 hospital-Contacts
Russell Dean Havranek, MDNPI 1871672519-1 groupContacts
Steven E. Hearne, MDNPI 1730173832-1 groupContacts
James F. Jackson III, MDNPI 17301155282 hospitals1 groupContacts
Bijo K. John, MDNPI 19222600175 hospitals3 groupsContacts
Joseph E. Johnson IV, MDNPI 14775570721 hospital1 groupContacts
Shailesh C. Kadakia, MDNPI 1295767861-1 groupContacts
Abdurrahman Kadayifci, MDNPI 1639979206-1 groupContacts
Paul Kaimakliotis, MDNPI 15588925881 hospital1 groupContacts
Sylvia Emma Keiser, DONPI 13660634631 hospital1 groupContacts
Sajneet Kaur Khangura, MDNPI 10434455881 hospital1 groupContacts
Eric J. Lawitz, MDNPI 15786617165 hospitals1 groupContacts
Elissa LinNPI 12457374362 hospitals1 groupContacts
Gabriel A. Magraner, MDNPI 13462794521 hospital1 groupContacts
Chaithanya Mallikarjun, MDNPI 11141019043 hospitals2 groupsContacts
Nicholas Perez Martinez, MDNPI 11748437261 hospital1 groupContacts
Sarah Little MarucciNPI 17901637802 hospitals1 groupContacts

Showing 1 to 50 of 92 San Antonio gastroenterologists

The list shows the 92 gastroenterologists with a public profile. The other 5 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

Find San Antonio gastroenterologists by the EHR they use

Dmand AI has the EHR for 93 of 97 San Antonio 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 in San Antonio, with 46

UT Health Physicians is second with 21, and Gastroenterology Clinic of San Antonio third with 7. Counts are gastroenterologists with a Texas address linked to each group.

Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data

Methodist Hospital has the most affiliated gastroenterologists in San Antonio, with 31

Baptist Medical Center is second with 25, and University Hospital third with 22. San Antonio gastroenterologists are affiliated with 25 hospitals in all.

Hospitals with the most gastroenterologists in San Antonio
#HospitalHealth systemGastroenterologists
1Methodist HospitalSan AntonioHCA Healthcare31
2Baptist Medical CenterSan AntonioTenet Healthcare25
3University HospitalSan AntonioBexar County Hospital District22
4Methodist Hospital Stone OakSan AntonioHCA Healthcare15
5CHRISTUS Santa Rosa Hospital - Westover HillsSan AntonioCHRISTUS Health13
6UT Health San Antonio Multispecialty and Research HospitalSan AntonioThe University of Texas System12
7Westover Hills Baptist HospitalSan AntonioTenet Healthcare7
8Peterson Regional Medical CenterKerrvillePeterson Health3
9Val Verde Regional Medical CenterDel RioVal Verde Regional Medical Center3
10Methodist Hospital AtascosaJourdantonHCA Healthcare3

Top 10 of 25 San Antonio hospitals with an affiliated gastroenterologistAll 26 San Antonio hospitals

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Source: Dmand AI Affiliation Data

Most San Antonio gastroenterologists practice at a hospital: 70 of the 83 with a mapped site

50 also practice at an ambulatory surgery center, and 44 at a medical group site. A gastroenterologist can practice at several kinds of site, so the shares overlap.

San Antonio gastroenterologists by site of care

  1. Hospitals70
  2. Ambulatory surgery centers50
  3. Medical group practices44

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

31% of San Antonio gastroenterologists finished medical school 30 or more years ago

24 of the 78 San Antonio gastroenterologists with a graduation year on file. 2 graduated in the last 10 years, fewer than graduated 40 or more years ago.

Physicians by years since medical school

  1. Under 10 years ago2
  2. 10 to 19 years ago24
  3. 20 to 29 years ago28
  4. 30 to 39 years ago11
  5. 40 or more years ago13

Source: Dmand AI Professional Profile Data

Every San Antonio 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 San Antonio gastroenterologist directory

Sources for the data on this page
Data on this pageSource
HCPs, types and specialtiesNPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groupsDmand AI Affiliation Data
Medical school graduation yearDmand 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 San Antonio practice address.

FAQ

Frequently asked questions about gastroenterologists in San Antonio

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 San Antonio?

97 gastroenterologists have an active NPI, a San Antonio practice address and gastroenterology (taxonomy code 207RG0100X) as their primary specialty. 85 of them are linked to a hospital or medical group.

Which San Antonio medical groups have the most gastroenterologists?

Texas Digestive Disease Consultants, with 46, followed by UT Health Physicians with 21 and Gastroenterology Clinic of San Antonio with 7.

Which San Antonio hospitals have the most gastroenterologists?

Methodist Hospital, with 31 affiliated gastroenterologists, followed by Baptist Medical Center with 25 and University Hospital with 22.

What share of San Antonio gastroenterologists practice at a hospital?

70 of the 83 San Antonio gastroenterologists with a mapped site of care, or 84%, 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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Search 97 San Antonio gastroenterologists by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

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