Updated October 2026

Gastroenterologists in Columbus, OH

Gastroenterology
Columbus, Ohio

Gastroenterologists: 95
Linked to a hospital or group: 84
Hospitals with a gastroenterologist: 26
Medical groups with a gastroenterologist: 31
Practice at a hospital: 75

There are 95 gastroenterologists in Columbus. OhioHealth Physician Group has the most, 39, and Ohio State University Hospital has the most affiliated gastroenterologists, 37. 14% finished medical school 30 or more years ago.

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Columbus gastroenterologists, listed A to Z by last name

Each gastroenterologist on the list has gastroenterology as their primary specialty and a Columbus 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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Columbus gastroenterologists, A to Z
Gastroenterologist	Hospitals	Medical groups	Email and phone
Chathur Acharya, MDNPI 1962630731	5 hospitals	1 group	Contacts
Kenneth D. Allen, DONPI 1669835377	2 hospitals	1 group	Contacts
Ahmad Nasr Anaizi, MDNPI 1821417239	5 hospitals	3 groups	Contacts
Jennifer M. Behzadi, MDNPI 1821331257	2 hospitals	1 group	Contacts
Marta Bergese, MDNPI 1922091537	-	1 group	Contacts
Alexandra L. Bery, MDNPI 1366900904	2 hospitals	1 group	Contacts
Ruchi Bhatia, MDNPI 1003194093	5 hospitals	5 groups	Contacts
Kiran Timmappa Bidari, MDNPI 1083847826	4 hospitals	3 groups	Contacts
Prachi Singh Biyani, MDNPI 1508185398	5 hospitals	3 groups	Contacts
Erin Ann Bouquet, MDNPI 1548767320	5 hospitals	2 groups	Contacts
Jordan Burlen, MDNPI 1104288653	3 hospitals	1 group	Contacts
Madalina I. Butnariu, MDNPI 1619956638	2 hospitals	1 group	Contacts
John Matthew Castor, MDNPI 1093987257	5 hospitals	3 groups	Contacts
Zheng CheNPI 1790345817	5 hospitals	3 groups	Contacts
Patrick Chen, DONPI 1265859243	5 hospitals	4 groups	Contacts
Adeeti Jaya Chiplunker, MDNPI 1356630727	3 hospitals	8 groups	Contacts
Brandon Kaiyi Chu, MDNPI 1265993828	4 hospitals	1 group	Contacts
Zachary Gordon Devore, MDNPI 1952759672	3 hospitals	1 group	Contacts
Jason W. Eng, MDNPI 1437513355	4 hospitals	3 groups	Contacts
Laurence Kobina Entsuah, MDNPI 1932179348	-	1 group	Contacts
Adil Ahmed Faqih, MDNPI 1972044170	5 hospitals	3 groups	Contacts
Ryan K. Fawley, MDNPI 1982999470	2 hospitals	2 groups	Contacts
Ryan Brelsford Gaible, MDNPI 1366564197	4 hospitals	3 groups	Contacts
Gregory D. Gibbons, MDNPI 1861486102	-	1 group	Contacts
Andrew Ching-Zhong GoNPI 1710482922	5 hospitals	3 groups	Contacts
Shail Mahendra Govani, MDNPI 1841317526	5 hospitals	3 groups	Contacts
Tricia Ann Hengehold, MDNPI 1821658980	5 hospitals	3 groups	Contacts
Bruce L. Hennessy, MDNPI 1891788386	5 hospitals	3 groups	Contacts
Seth David Hoffman, MDNPI 1932140696	5 hospitals	3 groups	Contacts
Julie Ann Holinga, MDNPI 1558487330	5 hospitals	3 groups	Contacts
Frances Charlene Briones Horenstein, MDNPI 1033466008	6 hospitals	5 groups	Contacts
Victor Josef Jochem, MDNPI 1932193620	1 hospital	2 groups	Contacts
David S. Keisler Jr., MD, MEdNPI 1740367705	-	2 groups	Contacts
Sean Gerard Kelly, MDNPI 1285830778	5 hospitals	2 groups	Contacts
Gordon Young Kim, DONPI 1144260076	3 hospitals	3 groups	Contacts
Natalia Legarreta Koenig, APRN, CNPNPI 1215797998	1 hospital	1 group	Contacts
Thomas W. Kramer, MDNPI 1235146465	1 hospital	-	Contacts
Somashekar Gopala Krishna, MDNPI 1609966183	2 hospitals	1 group	Contacts
Peter Junwoo Lee, MBCHBNPI 1528374501	2 hospitals	2 groups	Contacts
Edward Jay Levine, MDNPI 1770595894	2 hospitals	13 groups	Contacts
Na Li, MDNPI 1649416504	2 hospitals	2 groups	Contacts
David Yung-An Lo, MDNPI 1720161854	5 hospitals	3 groups	Contacts
Rohit Makkar, MDNPI 1568636991	5 hospitals	3 groups	Contacts
Sean Thomas McCarthy, MDNPI 1962664722	4 hospitals	3 groups	Contacts
Hagop S. Mekhjian, MDNPI 1003828138	-	-	Contacts
Vivek Mendiratta, MDNPI 1679936561	5 hospitals	2 groups	Contacts
Marty M. Meyer, MDNPI 1396787362	5 hospitals	3 groups	Contacts
Ronald Stanley Miller, MDNPI 1164407037	-	1 group	Contacts
Khalid Mumtaz, MDNPI 1265831689	5 hospitals	2 groups	Contacts
Guillermo A. Ortiz San Juan, MDNPI 1083098784	2 hospitals	2 groups	Contacts

Showing 1 to 50 of 85 Columbus gastroenterologists

The list shows the 85 gastroenterologists with a public profile. The other 10 are counted in the total and searchable with a free account.

Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data

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Dmand AI has the EHR for 92 of 95 Columbus 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.

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OhioHealth Physician Group has the most gastroenterologists in Columbus, with 39

Ohio State University Physicians is second with 35, and Ohio Gastroenterology Group, Inc. third with 33. Counts are gastroenterologists with an Ohio address linked to each group.

Medical groups with the most gastroenterologists in Columbus
#	Medical group	Parent organization	Gastroenterologists
1	OhioHealth Physician GroupColumbus	Parent on file	39
2	Ohio State University PhysiciansColumbus	Parent on file	35
3	Ohio Gastroenterology Group, Inc.Columbus	-	33
4	Memorial Medical GroupMarysville	Parent on file	31
5	OSUP Community Outreach, LLCDublin	Parent on file	11
6	Mount Carmel Medical GroupColumbus	Parent on file	4
7	Digestive Associates of OhioColumbus	-	3
8	Mercy Health PhysiciansBlue Ash	Parent on file	3
9	Mercy Health PhysiciansBlue Ash	Parent on file	3
10	Mercy Health PhysiciansBlue Ash	Parent on file	2

Top 10 of 31 Columbus medical groups with a gastroenterologist

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

Ohio State University Hospital has the most affiliated gastroenterologists in Columbus, with 37

Mount Carmel East is second with 34, and OhioHealth Riverside Methodist Hospital third with 33. Columbus gastroenterologists are affiliated with 26 hospitals in all.

Hospitals with the most gastroenterologists in Columbus
#	Hospital	Health system	Gastroenterologists
1	Ohio State University HospitalColumbus	The Ohio State University Wexner Medical Center	37
2	Mount Carmel EastColumbus	Trinity Health	34
3	OhioHealth Riverside Methodist HospitalColumbus	OhioHealth	33
4	The James Cancer Hospital and Solove Research InstituteColumbus	The Ohio State University Wexner Medical Center	32
5	OhioHealth Grant Medical CenterColumbus	OhioHealth	31
6	OhioHealth Dublin Methodist HospitalDublin	OhioHealth	26
7	Mount Carmel St. Ann'sWesterville	Trinity Health	16
8	OhioHealth Doctors HospitalColumbus	OhioHealth	12
9	Memorial HospitalMarysville	Union County, Ohio	9
10	Genesis HospitalZanesville	Genesis HealthCare System	6

Top 10 of 26 Columbus hospitals with an affiliated gastroenterologistAll 15 Columbus hospitals

See every hospital and group for each Columbus 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.

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Source: Dmand AI Affiliation Data

Most Columbus gastroenterologists practice at a hospital: 75 of the 83 with a mapped site

54 also practice at a medical group site, and 41 at an ambulatory surgery center. A gastroenterologist can practice at several kinds of site, so the shares overlap.

Columbus gastroenterologists by site of care

Hospitals7590%
Medical group practices5465%
Ambulatory surgery centers4149%

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

14% of Columbus gastroenterologists finished medical school 30 or more years ago

11 of the 78 Columbus gastroenterologists with a graduation year on file. 14 graduated in the last 10 years.

Physicians by years since medical school

Under 10 years ago1418%
10 to 19 years ago3140%
20 to 29 years ago2228%
30 to 39 years ago810%
40 or more years ago34%

Source: Dmand AI Professional Profile Data

Every Columbus 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 Columbus gastroenterologist directory

Sources for the data on this page
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 inaccuracy Remove my information

Gastroenterologists are HCPs whose primary specialty is gastroenterology (taxonomy code 207RG0100X), with an active NPI and a Columbus practice address.

FAQ

Frequently asked questions about gastroenterologists in Columbus

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 Columbus?

95 gastroenterologists have an active NPI, a Columbus practice address and gastroenterology (taxonomy code 207RG0100X) as their primary specialty. 84 of them are linked to a hospital or medical group.

Which Columbus medical groups have the most gastroenterologists?

OhioHealth Physician Group, with 39, followed by Ohio State University Physicians with 35 and Ohio Gastroenterology Group, Inc. with 33.

Which Columbus hospitals have the most gastroenterologists?

Ohio State University Hospital, with 37 affiliated gastroenterologists, followed by Mount Carmel East with 34 and OhioHealth Riverside Methodist Hospital with 33.

What share of Columbus gastroenterologists practice at a hospital?

75 of the 83 Columbus 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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