Updated October 2026

Gastroenterologists in Milwaukee, WI

Gastroenterology
Milwaukee, Wisconsin

Gastroenterologists: 83
Linked to a hospital or group: 67
Hospitals with a gastroenterologist: 24
Medical groups with a gastroenterologist: 14
Practice at a hospital: 63

There are 83 gastroenterologists in Milwaukee. Froedtert & the Medical College of Wisconsin Community Physicians has the most, 26, and Froedtert Hospital has the most affiliated gastroenterologists, 22. 39% finished medical school 30 or more years ago.

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Milwaukee gastroenterologists, listed A to Z by last name

Each gastroenterologist on the list has gastroenterology as their primary specialty and a Milwaukee 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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Milwaukee gastroenterologists, A to Z
Gastroenterologist	Hospitals	Medical groups	Email and phone
Aboud Affi, MDNPI 1003891250	3 hospitals	3 groups	Contacts
Dilpesh S. Agrawal, MDNPI 1407134422	3 hospitals	1 group	Contacts
Helmut V. Ammon, MDNPI 1457387896	1 hospital	1 group	Contacts
Gokulakrishnan Balasubramanian, MDNPI 1104079177	1 hospital	1 group	Contacts
Aaron C. Baltz, MDNPI 1467499277	2 hospitals	4 groups	Contacts
Hanna Aberra Bayisa, MDNPI 1225904725	1 hospital	1 group	Contacts
Poonam Beniwal-Patel, MDNPI 1760617484	3 hospitals	2 groups	Contacts
William L. Berger, MDNPI 1821049313	1 hospital	-	Contacts
John T. Bjork, MDNPI 1538121512	-	-	Contacts
Keely Bornor BrowningNPI 1144676727	1 hospital	2 groups	Contacts
Gregory Paul Capelli, DONPI 1306473863	-	-	Contacts
David A. Carron, MDNPI 1023085487	3 hospitals	3 groups	Contacts
Phillip Ruben Chisholm, MDNPI 1356636278	2 hospitals	2 groups	Contacts
Maurice Wendell Chung, MDNPI 1124042015	1 hospital	3 groups	Contacts
Ali A. Diba, MDNPI 1528029899	-	-	Contacts
Kulwinder S. Dua, MDNPI 1215988290	1 hospital	2 groups	Contacts
Francis Ogbonna Edeani, MDNPI 1306188925	1 hospital	1 group	Contacts
Drew M. Elgin, MDNPI 1154358869	-	1 group	Contacts
James Philip Garces Esteban, MDNPI 1619223708	1 hospital	1 group	Contacts
Abdullah A. Fayyad, MDNPI 1568466019	1 hospital	2 groups	Contacts
Andrew Anthony FoongNPI 1013476225	-	1 group	Contacts
Jose Franco, MDNPI 1699726547	1 hospital	1 group	Contacts
Daniel J. Geenen, MDNPI 1144297508	1 hospital	1 group	Contacts
Nalini M. Guda, MDNPI 1750358420	3 hospitals	5 groups	Contacts
Lyndon V. Hernandez, MDNPI 1831166503	3 hospitals	3 groups	Contacts
Syed Murtuza Hussain, MDNPI 1760696991	3 hospitals	3 groups	Contacts
Asad Jehangir, MDNPI 1528409844	5 hospitals	4 groups	Contacts
Nathaniel Timothy Jest, DONPI 1053671982	3 hospitals	4 groups	Contacts
Tarun KauraNPI 1255640058	4 hospitals	4 groups	Contacts
Maqsood Ahmed Khan, MDNPI 1811019680	3 hospitals	3 groups	Contacts
Vijay S. Khiani, MDNPI 1518168749	-	-	Contacts
Jimmy Lee Kim, MDNPI 1861587263	1 hospital	2 groups	Contacts
Eugene Kligman, MDNPI 1265872998	2 hospitals	2 groups	Contacts
Venelin J. Kounev, MDNPI 1902979750	3 hospitals	3 groups	Contacts
Nilay Kumar, MD, MPHNPI 1427123702	5 hospitals	3 groups	Contacts
Helen H. Lantz, MDNPI 1639146301	3 hospitals	3 groups	Contacts
Sahibzada Usman Latif, MDNPI 1184841595	4 hospitals	2 groups	Contacts
Julia Anne Leo, DONPI 1891953295	4 hospitals	4 groups	Contacts
Ricardo A. Li, MDNPI 1366419046	3 hospitals	3 groups	Contacts
Steven J. Lipscomb, MDNPI 1578530937	3 hospitals	4 groups	Contacts
Srivats Madhavan, MBBSNPI 1265721021	3 hospitals	1 group	Contacts
Mia L. Manabat, DONPI 1336408905	3 hospitals	2 groups	Contacts
Benson T. Massey, MDNPI 1407807258	1 hospital	1 group	Contacts
Ling MeiNPI 1285902684	1 hospital	2 groups	Contacts
Chetan Mittal, MDNPI 1407140015	5 hospitals	5 groups	Contacts
Matthew Ronald Mohorek, MDNPI 1851755953	3 hospitals	5 groups	Contacts
Brian F. Moloney, MBCHB, MDNPI 1578775755	5 hospitals	4 groups	Contacts
Bennett John Pastika, DONPI 1467448977	1 hospital	1 group	Contacts
Matthew Thomas Peller, MDNPI 1871956219	2 hospitals	2 groups	Contacts
Jamal A. Qureshi, MDNPI 1487761706	4 hospitals	3 groups	Contacts

Showing 1 to 50 of 70 Milwaukee gastroenterologists

The list shows the 70 gastroenterologists with a public profile. The other 13 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 80 of 83 Milwaukee 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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Froedtert & the Medical College of Wisconsin Community Physicians has the most gastroenterologists in Milwaukee, with 26

GI Associates is second with 19, and Ascension Medical Group third with 14. Counts are gastroenterologists with a Wisconsin address linked to each group.

Medical groups with the most gastroenterologists in Milwaukee
#	Medical group	Parent organization	Gastroenterologists
1	Froedtert & the Medical College of Wisconsin Community PhysiciansMilwaukee	Parent on file	26
2	GI AssociatesMilwaukee	Parent on file	19
3	Ascension Medical GroupGlendale	Parent on file	14
4	Aurora Medical GroupMilwaukee	Parent on file	13
5	GI AssociatesMilwaukee	Parent on file	10
6	Froedtert & the Medical College of Wisconsin Community PhysiciansMenomonee Falls	Parent on file	10
7	Aurora Advanced HealthcareMilwaukee	Parent on file	9
8	GI AssociatesMilwaukee	Parent on file	9
9	GI AssociatesMilwaukee	-	9
10	Madison Medical AffiliatesMilwaukee	-	7

Top 10 of 14 Milwaukee medical groups with a gastroenterologist

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

Froedtert Hospital has the most affiliated gastroenterologists in Milwaukee, with 22

Aurora St. Luke's Medical Center is second with 21, and Ascension SE Wisconsin Hospital - St. Joseph third with 20. Milwaukee gastroenterologists are affiliated with 24 hospitals in all.

Hospitals with the most gastroenterologists in Milwaukee
#	Hospital	Health system	Gastroenterologists
1	Froedtert HospitalMilwaukee	Froedtert ThedaCare Health	22
2	Aurora St. Luke's Medical CenterMilwaukee	Advocate Health	21
3	Ascension SE Wisconsin Hospital - St. JosephMilwaukee	Ascension	20
4	Aurora West Allis Medical CenterWest Allis	Advocate Health	10
5	ProHealth Waukesha Memorial HospitalWaukesha	ProHealth Care	8
6	Ascension Columbia St. Mary's Hospital - Milwaukee CampusMilwaukee	Ascension	7
7	ProHealth Oconomowoc Memorial HospitalOconomowoc	ProHealth Care	6
8	Ascension St. Francis HospitalMilwaukee	Ascension	6
9	Ascension All Saints HospitalRacine	Ascension	5
10	Aurora Medical Center - GraftonGrafton	Advocate Health	5

Top 10 of 24 Milwaukee hospitals with an affiliated gastroenterologistAll 9 Milwaukee hospitals

See every hospital and group for each Milwaukee 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 Milwaukee gastroenterologists practice at a hospital: 63 of the 65 with a mapped site

39 also practice at a medical group site, and 10 at therapy and rehab centers. A gastroenterologist can practice at several kinds of site, so the shares overlap.

Milwaukee gastroenterologists by site of care

Hospitals6397%
Medical group practices3960%
Therapy and rehab centers1015%
Behavioral health centers69%
Clinical labs69%

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

39% of Milwaukee gastroenterologists finished medical school 30 or more years ago

26 of the 66 Milwaukee 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 ago12%
10 to 19 years ago2030%
20 to 29 years ago1929%
30 to 39 years ago1523%
40 or more years ago1117%

Source: Dmand AI Professional Profile Data

Every Milwaukee 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 Milwaukee 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 Milwaukee practice address.

FAQ

Frequently asked questions about gastroenterologists in Milwaukee

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 Milwaukee?

83 gastroenterologists have an active NPI, a Milwaukee practice address and gastroenterology (taxonomy code 207RG0100X) as their primary specialty. 67 of them are linked to a hospital or medical group.

Which Milwaukee medical groups have the most gastroenterologists?

Froedtert & the Medical College of Wisconsin Community Physicians, with 26, followed by GI Associates with 19 and Ascension Medical Group with 14.

Which Milwaukee hospitals have the most gastroenterologists?

Froedtert Hospital, with 22 affiliated gastroenterologists, followed by Aurora St. Luke's Medical Center with 21 and Ascension SE Wisconsin Hospital - St. Joseph with 20.

What share of Milwaukee gastroenterologists practice at a hospital?

63 of the 65 Milwaukee gastroenterologists with a mapped site of care, or 97%, 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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