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Gastroenterologists in Missouri

Data updated monthly · Last refresh October 2026

411 Gastroenterology providers practice in Missouri, including 59 (14%) offering telehealth. The largest concentration is in Saint Louis. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

411providers
59telehealth
Saint Louistop city

Gastroenterology by city in Missouri

Choose a city to see providers there.

Gastroenterology in Saint Louis156 providers
Gastroenterology in Kansas City49 providers
Gastroenterology in Columbia42 providers
Gastroenterology in Chesterfield25 providers
Gastroenterology in Springfield22 providers
Gastroenterology in Cape Girardeau14 providers
Gastroenterology in Lees Summit9 providers
Gastroenterology in Joplin7 providers
Gastroenterology in Jefferson City7 providers
Gastroenterology in Saint Peters6 providers
Gastroenterology in Saint Charles5 providers
Gastroenterology in Washington5 providers
Gastroenterology in O Fallon5 providers
Gastroenterology in Independence5 providers
Gastroenterology in Lake St Louis5 providers
Gastroenterology in Creve Coeur5 providers
Gastroenterology in Liberty4 providers
Gastroenterology in Hazelwood4 providers
Gastroenterology in St Louis4 providers
Gastroenterology in St Joseph3 providers
Gastroenterology in Festus3 providers
Gastroenterology in Bridgeton3 providers
Gastroenterology in Sullivan2 providers
Gastroenterology in Hannibal2 providers

Gastroenterology providers in Missouri

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Ashraf Almomani, MD
Columbia, MO · $710 in drug and device payments (2025) · (573) 884-7600
Dr. Bradley Anderson, MD
Columbia, MO · $136,151 in drug and device payments (2025) · (573) 777-8818
Dr. Darian Fard, MD
Columbia, MO · $314 in drug and device payments (2025) · (573) 882-8586
Dr. David Gossat, M.D.
Columbia, MO · $354 in drug and device payments (2025) · (573) 884-8445
Dr. Donald Gerhardt, MD
Columbia, MO · No drug or device payments recorded (2025) · (573) 777-8818
Dr. Ebubekir Daglilar, M.D.
Columbia, MO · $87 in drug and device payments (2025) · (573) 884-7600
Dr. Edward Partyka, MD
Columbia, MO · No drug or device payments recorded (2025) · (573) 814-6000
Dr. George Kistler, M.D.
Columbia, MO · $77 in drug and device payments (2025) · (573) 884-7600
Dr. Hasan Alroobi, MD
Columbia, MO · No drug or device payments recorded (2025) · (573) 884-6393
Dr. Jack Bragg, DO
Columbia, MO · $85 in drug and device payments (2025) · (573) 884-8445
Dr. Jamal Ibdah, M.D.
Columbia, MO · No drug or device payments recorded (2025) · (573) 884-7600
Dr. Jessica Stout, DO
Columbia, MO · $173 in drug and device payments (2025) · Telehealth · (573) 884-9066
Dr. John Marshall, MD
Columbia, MO · No drug or device payments recorded (2025) · (573) 882-8788
Dr. Juan Pineda, M.D.
Columbia, MO · No drug or device payments recorded (2025) · (573) 445-9764
Dr. Kevin Halsey, MD
Columbia, MO · $905 in drug and device payments (2025) · (573) 777-8818
Dr. Khulood Ahmed, M.D.
Columbia, MO · $263 in drug and device payments (2025) · (573) 884-7600
Dr. Layla Hajjafar, MD
Columbia, MO · No drug or device payments recorded (2025) · (573) 884-7600
Dr. Mahmoud Mansour, MD
Columbia, MO · $57 in drug and device payments (2025) · (573) 884-7600
Dr. Ma'n Abdullah, MD
Columbia, MO · $401 in drug and device payments (2025) · (573) 884-8445
Dr. Matthew Bechtold, M.D.
Columbia, MO · No drug or device payments recorded (2025) · (573) 884-7600
Dr. Matthew Struttmann, MD
Columbia, MO · $2,696 in drug and device payments (2025) · (573) 777-8818
Dr. Michael Williams, MD
Columbia, MO · $4,567 in drug and device payments (2025) · (573) 777-8818
Dr. Michele Diaz-arias, MD
Columbia, MO · No drug or device payments recorded (2025) · (573) 777-8818
Dr. Nicolas Llorens, MD
Columbia, MO · $1,452 in drug and device payments (2025) · (573) 777-8818
Dr. Omer Basar, MD
Columbia, MO · $338 in drug and device payments (2025) · (573) 882-8586
Dr. Osama Alshakhatreh, MD
Columbia, MO · No drug or device payments recorded (2025) · (573) 882-1013
Dr. Pawel Szurnicki, MD
Columbia, MO · $20 in drug and device payments (2025) · (573) 884-8445
Dr. Peter Cleavinger, MD
Columbia, MO · $1,080 in drug and device payments (2025) · (573) 777-8818
Dr. Pravallika Chadalavada
Columbia, MO · $238 in drug and device payments (2025) · (573) 884-7600
Dr. Robert Harris, M.D.
Columbia, MO · $23 in drug and device payments (2025) · (573) 884-8445
Dr. Scott Grisolano, M.D.
Columbia, MO · No drug or device payments recorded (2025) · (573) 884-8445
Dr. Sharlene D'souza, M.D.
Columbia, MO · $24 in drug and device payments (2025) · (573) 884-8445
Dr. Stephen Welsh, MD
Columbia, MO · $545 in drug and device payments (2025) · (573) 777-8818
Dr. Steven Kaster, MD
Columbia, MO · $443 in drug and device payments (2025) · (573) 884-8445
Dr. Subanandhini Subramaniam Parameshwari, M.D.,
Columbia, MO · No drug or device payments recorded (2025) · (573) 884-7600
Dr. Veysel Tahan, M.D.
Columbia, MO · $127 in drug and device payments (2025) · (573) 882-7758
Dr. Yezaz Ghouri, M.D.
Columbia, MO · $23,782 in drug and device payments (2025) · (573) 882-1434
Dr. Elizabeth Huebner, MD
Creve Coeur, MO · $122 in drug and device payments (2025) · (314) 747-2066
Dr. Erik Thyssen, MD
Creve Coeur, MO · $1,288 in drug and device payments (2025) · (314) 997-0554
Dr. Janet Todorczuk, MD
Creve Coeur, MO · No drug or device payments recorded (2025) · (314) 997-0554
Dr. Leonard Weinstock, MD
Creve Coeur, MO · $6,055 in drug and device payments (2025) · Telehealth · (314) 997-0554
Dr. Soumojit Ghosh, MD
Creve Coeur, MO · $1,842 in drug and device payments (2025) · (314) 997-0554
Dr. Courtney Cockerell, D.O
Fenton, MO · No drug or device payments recorded (2025) · (636) 496-5030
Dr. Edwardo Verzola, M.D.
Festus, MO · $225 in drug and device payments (2025) · (636) 937-8675
Dr. Rehan Rafiq, M.D.
Festus, MO · No drug or device payments recorded (2025) · (636) 937-8675
Dr. Saad Zinad, M.D
Festus, MO · $163 in drug and device payments (2025) · (636) 937-8675
Dr. Ashraf Almashhrawi, MD
Hannibal, MO · $57 in drug and device payments (2025) · (573) 629-3301
Dr. Bhagirath Katbamna, M.D.
Hannibal, MO · No drug or device payments recorded (2025) · (573) 231-3128
Dr. David Landau, MD
Hazelwood, MO · $79 in drug and device payments (2025) · (314) 355-4010
Dr. David Margolis, MD
Hazelwood, MO · No drug or device payments recorded (2025) · (314) 355-4010

Conditions Gastroenterology providers in Missouri commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Gastroenterology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Gastroenterology providers are in Missouri?

There are 411 Gastroenterology providers with active NPI records practicing in Missouri, according to federal NPPES data refreshed monthly.

Do Gastroenterology providers in Missouri offer telehealth?

Yes. 59 of the 411 Gastroenterology providers in Missouri (about 14%) report offering telehealth services in CMS data.

Which cities in Missouri have the most Gastroenterology providers?

Saint Louis (156), Kansas City (49), Columbia (42) have the highest concentration of Gastroenterology providers in Missouri.

How many Gastroenterology providers in Missouri received drug or device company payments?

251 of 411 Gastroenterology providers in Missouri (61%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Gastroenterology providers in Missouri treat?

Gastroenterology providers commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Gastroenterologists in Missouri work in independent practices or large health systems?

Among 274 Gastroenterologists in Missouri enrolled in Medicare, 4% bill through a solo or small practice with fewer than 10 clinicians, 30% through a mid-size group of 10 to 99, and 66% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Gastroenterologists in Missouri work at?

According to CMS facility affiliation records, the Missouri hospitals where the most Gastroenterologists hold privileges are Missouri Baptist Medical Center in Saint Louis; Barnes Jewish Hospital in Saint Louis; Barnes-Jewish West County Hospital in Creve Coeur.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Gastroenterology in Missouri? Get featured.