Updated October 2026

Gastroenterologists in Dayton, OH

Gastroenterology
Dayton, Ohio

Gastroenterologists: 43
Linked to a hospital or group: 41
Hospitals with a gastroenterologist: 21
Medical groups with a gastroenterologist: 15
Practice at a hospital: 38

There are 43 gastroenterologists in Dayton. Dayton Gastroenterology has the most, 17, and Kettering Health Dayton has the most affiliated gastroenterologists, 28. 53% finished medical school 30 or more years ago.

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Dayton gastroenterologists, listed A to Z by last name

Each gastroenterologist on the list has gastroenterology as their primary specialty and a Dayton 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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Dayton gastroenterologists, A to Z
Gastroenterologist	Hospitals	Medical groups	Email and phone
Sangeeta Agrawal, MDNPI 1871574830	1 hospital	-	Contacts
Azaan S. Akbar, DONPI 1285084806	5 hospitals	2 groups	Contacts
Salma Akram, MDNPI 1487630901	4 hospitals	3 groups	Contacts
Syed A. Ali, MDNPI 1306808902	5 hospitals	3 groups	Contacts
Vasundhara Appalaneni, MDNPI 1144259953	2 hospitals	1 group	Contacts
Christopher J. Barde, MDNPI 1215918263	1 hospital	1 group	Contacts
Adrian Ramiro Barron, MDNPI 1164734745	1 hospital	-	Contacts
Kalyan Mohan Bhoopal, MDNPI 1114160926	5 hospitals	2 groups	Contacts
Michael James Brazeau, DONPI 1518220466	1 hospital	2 groups	Contacts
Atindra N. Chatterji, FACP, MDNPI 1306942214	1 hospital	-	Contacts
Bahar CheemaNPI 1841654654	1 hospital	1 group	Contacts
Fazel Dinary, MDNPI 1912347360	6 hospitals	9 groups	Contacts
Michael Francis Elmore, MDNPI 1013914118	-	1 group	Contacts
Rupa R. Fritz, MDNPI 1366417560	5 hospitals	2 groups	Contacts
Ramesh K. Gandhi, MDNPI 1275514663	3 hospitals	-	Contacts
Daryl Christopher Hacker, MDNPI 1689652125	1 hospital	-	Contacts
Tristan Elliot Handler, MDNPI 1306059266	4 hospitals	3 groups	Contacts
Seemeen Hassan, MDNPI 1619264033	4 hospitals	4 groups	Contacts
We'Am Hussain, MDNPI 1609371608	5 hospitals	2 groups	Contacts
Ilyas Ikramuddin, DONPI 1457352940	-	3 groups	Contacts
Rajkamal Jit, MDNPI 1669453619	5 hospitals	4 groups	Contacts
Rizwan E. Kibria, MDNPI 1730292319	5 hospitals	4 groups	Contacts
Padmini Krishnamurthy, MDNPI 1437285749	1 hospital	-	Contacts
Michael Timothy Loughlin, DONPI 1003043647	5 hospitals	3 groups	Contacts
Diklar Makola, MD, PhDNPI 1225246689	5 hospitals	2 groups	Contacts
Najib Nassani, MDNPI 1477935807	4 hospitals	4 groups	Contacts
Charles William Oberer III, MDNPI 1477870178	4 hospitals	3 groups	Contacts
Teressa J. Patrick, MDNPI 1992786222	4 hospitals	3 groups	Contacts
David P. Romeo, MDNPI 1558336578	2 hospitals	2 groups	Contacts
Giti Rostami, MDNPI 1508831884	1 hospital	1 group	Contacts
Jeffrey S. Sams, MDNPI 1952311235	-	-	Contacts
Sanjay Sandhir, MDNPI 1437124211	5 hospitals	2 groups	Contacts
Shashank Sarvepalli, MDNPI 1124445002	5 hospitals	1 group	Contacts
Jonathan C. Saxe, MDNPI 1073588976	3 hospitals	2 groups	Contacts
Urmee Siraj, MDNPI 1801891114	5 hospitals	3 groups	Contacts
Cassandra M. Steimle, DONPI 1265852941	4 hospitals	2 groups	Contacts
Lisa M. Stone, MDNPI 1235105875	4 hospitals	2 groups	Contacts
Jigna Thakore, MDNPI 1750488946	5 hospitals	3 groups	Contacts
Niaz Usman, MDNPI 1588639777	5 hospitals	5 groups	Contacts
Bikram Verma Ansil, MDNPI 1578544524	5 hospitals	3 groups	Contacts
Benjamin Evans Wheeler, MDNPI 1407171614	5 hospitals	2 groups	Contacts

The list shows the 41 gastroenterologists with a public profile. The other 2 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 43 of 43 Dayton 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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Dayton Gastroenterology has the most gastroenterologists in Dayton, with 17

Digestive Specialists, Inc. is second with 9, and Premier Health Specialists third with 8. Counts are gastroenterologists with an Ohio address linked to each group.

Medical groups with the most gastroenterologists in Dayton
#	Medical group	Parent organization	Gastroenterologists
1	Dayton GastroenterologyDayton	Parent on file	17
2	Digestive Specialists, Inc.Dayton	Parent on file	9
3	Premier Health SpecialistsMoraine	Parent on file	8
4	Kettering Health Medical GroupMiamisburg	Parent on file	7
5	Adena Health SystemChillicothe	Parent on file	3
6	University of Cincinnati PhysiciansCincinnati	Parent on file	2
7	HNI HealthcareCleveland	Parent on file	1
8	TriHealthCincinnati	Parent on file	1
9	Ashtabula Regional Medical CenterAshtabula	Parent on file	1
10	University EyecareMentor	Parent on file	1

Top 10 of 15 Dayton medical groups with a gastroenterologist

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

Kettering Health Dayton has the most affiliated gastroenterologists in Dayton, with 28

Kettering Health Main Campus is second with 24, and Miami Valley Hospital third with 23. Dayton gastroenterologists are affiliated with 21 hospitals in all.

Hospitals with the most gastroenterologists in Dayton
#	Hospital	Health system	Gastroenterologists
1	Kettering Health DaytonDayton	Kettering Adventist Healthcare	28
2	Kettering Health Main CampusKettering	Kettering Adventist Healthcare	24
3	Miami Valley HospitalDayton	Premier Health	23
4	Soin Medical Center - Kettering HealthBeaver Creek	Kettering Adventist Healthcare	15
5	Kettering Health MiamisburgMiamisburg	Kettering Adventist Healthcare	12
6	Dayton VA Medical CenterDayton	Veterans Health Administration	4
7	Kettering Health TroyTroy	Kettering Adventist Healthcare	4
8	Kettering Health Greene MemorialXenia	Kettering Adventist Healthcare	3
9	Adena Regional Medical CenterChillicothe	Adena Health System	3
10	Mount Carmel EastColumbus	Trinity Health	1

Top 10 of 21 Dayton hospitals with an affiliated gastroenterologistAll 9 Dayton hospitals

See every hospital and group for each Dayton gastroenterologist

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Source: Dmand AI Affiliation Data

Most Dayton gastroenterologists practice at a hospital: 38 of the 41 with a mapped site

32 also practice at a medical group site, and 26 at an ambulatory surgery center. A gastroenterologist can practice at several kinds of site, so the shares overlap.

Dayton gastroenterologists by site of care

Hospitals3893%
Medical group practices3278%
Ambulatory surgery centers2663%

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

53% of Dayton gastroenterologists finished medical school 30 or more years ago

20 of the 38 Dayton gastroenterologists with a graduation year on file. 1 graduated in the last 10 years, fewer than graduated 40 or more years ago.

Physicians by years since medical school

Under 10 years ago13%
10 to 19 years ago1232%
20 to 29 years ago513%
30 to 39 years ago924%
40 or more years ago1129%

Source: Dmand AI Professional Profile Data

Every Dayton 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 Dayton 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 Dayton practice address.

FAQ

Frequently asked questions about gastroenterologists in Dayton

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 Dayton?

43 gastroenterologists have an active NPI, a Dayton practice address and gastroenterology (taxonomy code 207RG0100X) as their primary specialty. 41 of them are linked to a hospital or medical group.

Which Dayton medical groups have the most gastroenterologists?

Dayton Gastroenterology, with 17, followed by Digestive Specialists, Inc. with 9 and Premier Health Specialists with 8.

Which Dayton hospitals have the most gastroenterologists?

Kettering Health Dayton, with 28 affiliated gastroenterologists, followed by Kettering Health Main Campus with 24 and Miami Valley Hospital with 23.

What share of Dayton gastroenterologists practice at a hospital?

38 of the 41 Dayton gastroenterologists with a mapped site of care, or 93%, 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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