HealthcareDiscovery.AI / Doctors / Missouri / Gastroenterology

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. Surachai Amornsawadwattana, MD
Saint Louis, MO · No drug or device payments recorded (2025) · Telehealth · (314) 747-2066
Dr. Tariq Hassan, MD
Saint Louis, MO · $619 in drug and device payments (2025) · (314) 747-2066
Dr. Tavia Rios, MD
Saint Louis, MO · $87 in drug and device payments (2025) · (314) 747-2066
Dr. Ted Walker, M.D.
Saint Louis, MO · $2,733 in drug and device payments (2025) · (314) 364-4808
Dr. Vincenzo Cardinale, MD, PHD
Saint Louis, MO · No drug or device payments recorded (2025) · (413) 210-9259
Dr. Vivian Ortiz, MD
Saint Louis, MO · $3,472 in drug and device payments (2025) · (314) 747-2066
Dr. Vladimir Kushnir, MD
Saint Louis, MO · $37,466 in drug and device payments (2025) · (314) 747-2066
Dr. William Goldkamp, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 251-2880
Dr. William Stenson, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 747-2066
Dr. Wing-kin Syn, MD, PHD
Saint Louis, MO · $24,258 in drug and device payments (2025) · (314) 977-6190
Dr. Wissam Kiwan, M.D.
Saint Louis, MO · $90 in drug and device payments (2025) · (313) 858-4090
Dr. W. Sylvanovich, M.D.
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 628-9000
Dr. Yazan Abdalla, M.D.
Saint Louis, MO · $135 in drug and device payments (2025) · Telehealth · (314) 543-5911
Dr. Youssef Assioun, MD
Saint Louis, MO · $739 in drug and device payments (2025) · (314) 543-5911
Dr. Zarir Ahmed
Saint Louis, MO · $1,585 in drug and device payments (2025) · (314) 543-5911
Dr. Zenan Chang, MD
Saint Louis, MO · $125 in drug and device payments (2025) · (314) 747-2066
Dr. Alfred Nelson, MD
Saint Peters, MO · $17 in drug and device payments (2025) · (636) 916-9615
Dr. Anuj Chhaparia, M.D.
Saint Peters, MO · $240 in drug and device payments (2025) · (636) 916-9615
Dr. Harry Burack, MD
Saint Peters, MO · No drug or device payments recorded (2025) · (636) 928-3858
Dr. James Dimitroff, MD
Saint Peters, MO · $1,165 in drug and device payments (2025) · (636) 916-9615
Dr. Richard Geisman, M.D.
Saint Peters, MO · $179 in drug and device payments (2025) · (636) 916-8200
Dr. Robert Cusworth, MD
Saint Peters, MO · No drug or device payments recorded (2025) · (636) 916-8200
Dr. Wilson Pais, MD
Sikeston, MO · $1,206 in drug and device payments (2025) · (573) 621-4935
Dr. Barbara Mallin, MD
Springfield, MO · No drug or device payments recorded (2025) · (417) 875-3000
Dr. Christopher Knudsen, D.O.
Springfield, MO · $108 in drug and device payments (2025) · Telehealth · (417) 820-5200
Dr. Christopher Koehn, M.D.
Springfield, MO · No drug or device payments recorded (2025) · Telehealth · (417) 820-5200
Dr. Dace Miller, MD
Springfield, MO · No drug or device payments recorded (2025) · (417) 886-1884
Dr. Daniel Brady, MD
Springfield, MO · No drug or device payments recorded (2025) · (417) 820-5200
Dr. David Geier, MD
Springfield, MO · No drug or device payments recorded (2025) · (417) 820-5200
Dr. Dennis Ng, M.D.
Springfield, MO · $1,230 in drug and device payments (2025) · (417) 875-3000
Dr. Donald Mangum, MD
Springfield, MO · $101 in drug and device payments (2025) · (417) 820-5200
Dr. Donald Nelson, MD
Springfield, MO · No drug or device payments recorded (2025) · (417) 820-5200
Dr. Donald Thompson, MD
Springfield, MO · $1,055 in drug and device payments (2025) · (417) 820-5200
Dr. Ghulam Siddiqui, MD
Springfield, MO · $101 in drug and device payments (2025) · Telehealth · (417) 820-5200
Dr. Gisela Ocasio Quinones, DO
Springfield, MO · $299 in drug and device payments (2025) · (417) 820-5200
Dr. Jesse Taylor, M.D.
Springfield, MO · No drug or device payments recorded (2025) · (417) 820-5200
Dr. Lawrence Gurian, MD
Springfield, MO · No drug or device payments recorded (2025) · (417) 875-3462
Dr. Michael Wooten, MD
Springfield, MO · No drug or device payments recorded (2025) · (417) 820-5200
Dr. Mubashir Khan, MD
Springfield, MO · $75 in drug and device payments (2025) · (417) 875-3000
Dr. Paul St. Romain, M.D.
Springfield, MO · No drug or device payments recorded (2025) · (417) 820-5200
Dr. Peter Ramsey, MD
Springfield, MO · $1,762 in drug and device payments (2025) · (417) 875-3000
Dr. Ravinder Mankoo, M.D.
Springfield, MO · $621 in drug and device payments (2025) · (417) 875-3000
Dr. Roy Libel, MD
Springfield, MO · No drug or device payments recorded (2025) · (417) 820-5200
Dr. Sanjay Havaldar, MD
Springfield, MO · $1,544 in drug and device payments (2025) · (417) 875-3000
Dr. Sarah Hossain, MD, MPH
Springfield, MO · $218 in drug and device payments (2025) · (417) 875-3000
Dr. Francis Mccormick, MD
St Joseph, MO · $820 in drug and device payments (2025) · (816) 232-0185
Dr. Prakash Patel, MD
St Joseph, MO · No drug or device payments recorded (2025) · (816) 232-0185
Dr. Scott Mcguire, MD
St Joseph, MO · $19 in drug and device payments (2025) · (816) 232-0185
Dr. Jose Ramirez, M.D.
St .louis, MO · No drug or device payments recorded (2025) · (314) 698-2400
Dr. Anna Niesen, MD
St Louis, MO · No drug or device payments recorded (2025) · (314) 781-8405

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.

Related reading on HealthcareDiscovery.AI

Gastroenterology in all 50 states Search all 411 in the directory Ask Zach for help choosing

Related

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.