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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. Hani El-halawany, M.D.
Richmond Heights, MO · $906 in drug and device payments (2025) · (314) 646-7848
Dr. Edward Bruns, DO
Rolla, MO · No drug or device payments recorded (2025) · (573) 458-3350
Dr. Ryan Denney, D.O
Rolla, MO · $165 in drug and device payments (2025) · (573) 364-9000
Dr. David Westrich, MD
Saint Charles, MO · $24 in drug and device payments (2025) · (636) 669-2332
Dr. Hari Diwakaran, M.D.
Saint Charles, MO · $211 in drug and device payments (2025) · (636) 669-2332
Dr. Lawrence Tierney, M.D.
Saint Charles, MO · No drug or device payments recorded (2025) · (636) 669-2332
Dr. Marin Marcu, M.D.
Saint Charles, MO · No drug or device payments recorded (2025) · (636) 669-2332
Dr. Martin Altman, M.D.
Saint Charles, MO · No drug or device payments recorded (2025) · (636) 669-2332
Dr. Fadi Bdair, MD
Saint Joseph, MO · $922 in drug and device payments (2025) · (816) 271-7074
Dr. Vijay Kanakadandi, M.D.
Saint Joseph, MO · $578 in drug and device payments (2025) · (816) 271-6155
Dr. Aaron Greenspan, MD
Saint Louis, MO · $619 in drug and device payments (2025) · (314) 747-2066
Dr. Abdurrahman Kadayifci, MD
Saint Louis, MO · $272 in drug and device payments (2025) · (314) 617-2000
Dr. Adam Farmer, MBBS, PHD
Saint Louis, MO · $98 in drug and device payments (2025) · (314) 617-3552
Dr. Adrian Di Bisceglie, M.D.
Saint Louis, MO · $4,375 in drug and device payments (2025) · (314) 977-9400
Dr. Ahmad Najdat Bazarbashi, MD
Saint Louis, MO · $651 in drug and device payments (2025) · (314) 747-2066
Dr. Aireen-ronalda Agulto, MD
Saint Louis, MO · $1,014 in drug and device payments (2025) · (314) 543-5911
Dr. Alex Befeler, MD
Saint Louis, MO · $8,755 in drug and device payments (2025) · (314) 257-3760
Dr. Aman Singh, MD
Saint Louis, MO · $3,272 in drug and device payments (2025) · (314) 997-0554
Dr. Anas Gremida, MD
Saint Louis, MO · $222 in drug and device payments (2025) · Telehealth · (314) 747-2066
Dr. Antonio Cheesman Rocca, M.D.
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 257-3760
Dr. Arvind Rengarajan, MD
Saint Louis, MO · $50,640 in drug and device payments (2025) · Telehealth · (314) 747-2066
Dr. Ashfaq Hakim, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 837-4200
Dr. Badr Alhumayyd, MBBS
Saint Louis, MO · $438 in drug and device payments (2025) · (314) 543-5911
Dr. Barry Abramson, M.D.
Saint Louis, MO · $576 in drug and device payments (2025) · Telehealth · (314) 996-3520
Dr. Benjamin Clement, MD
Saint Louis, MO · $1,735 in drug and device payments (2025) · (314) 747-2066
Dr. Benjamin Rogers, MD
Saint Louis, MO · $24,351 in drug and device payments (2025) · (314) 747-2066
Dr. Benjamin Root, M.D.
Saint Louis, MO · $4,087 in drug and device payments (2025) · (314) 279-9049
Dr. Benjamin Schmidt, MD
Saint Louis, MO · $28,536 in drug and device payments (2025) · (314) 543-5200
Dr. Brent Neuschwander-tetri, MD
Saint Louis, MO · $5,385 in drug and device payments (2025) · Telehealth · (314) 257-3760
Dr. Brian Dieckgraefe, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 454-8200
Dr. Cassandra Fritz, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 747-2066
Dr. Catherine Howe, MD
Saint Louis, MO · $103 in drug and device payments (2025) · (314) 251-2880
Dr. Cetin Karaca
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 977-2140
Dr. Chandra Gyawali, MD
Saint Louis, MO · $6,682 in drug and device payments (2025) · Telehealth · (314) 747-2066
Dr. Charlene Prather, MD
Saint Louis, MO · No drug or device payments recorded (2025) · Telehealth · (314) 747-2066
Dr. Cheree Trent Mills, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 692-0111
Dr. Chien-huan Chen, MD
Saint Louis, MO · $238 in drug and device payments (2025) · Telehealth · (314) 747-2066
Dr. Christina Kratschmer, MD
Saint Louis, MO · $342 in drug and device payments (2025) · Telehealth · (314) 747-2066
Dr. Damon Clines, M.D.
Saint Louis, MO · $788 in drug and device payments (2025) · (314) 454-6903
Dr. David Alpers, MD
Saint Louis, MO · $27,050 in drug and device payments (2025) · (314) 747-3969
Dr. David Costigan, M.D.
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 849-6898
Dr. David Goran, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 747-2066
Dr. David Ulrich, M.D.
Saint Louis, MO · $123 in drug and device payments (2025) · (314) 251-3880
Dr. Dayna Early, MD
Saint Louis, MO · $276 in drug and device payments (2025) · (314) 747-2066
Dr. Deborah Rubin, MD
Saint Louis, MO · $139 in drug and device payments (2025) · (314) 747-2066
Dr. Edward Sheen, MD
Saint Louis, MO · No drug or device payments recorded (2025) · Telehealth · (314) 747-2066
Dr. Elizabeth Blaney, MD
Saint Louis, MO · $277 in drug and device payments (2025) · (314) 747-2066
Dr. Elizabeth Marsicano, M.D.
Saint Louis, MO · $235 in drug and device payments (2025) · (314) 577-8764
Dr. Emily Reznicek, DO
Saint Louis, MO · $119 in drug and device payments (2025) · (314) 251-2880
Dr. Faisal Bukeirat, M.D.
Saint Louis, MO · $1,015 in drug and device payments (2025) · (314) 617-2000

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.