Gastroenterology in Columbia, Missouri
Data updated monthly · Last refresh September 2026
42 Gastroenterology providers practice in Columbia, and 67% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Gastroenterology providers in Columbia
Listed alphabetically. 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. Abdul Mounaem Majzoub, MDColumbia, MO · No drug or device payments recorded (2025) · Telehealth ·
(573) 884-7600 Dr. Ahmed Swi, M.DColumbia, MO · $1,559 in drug and device payments (2025) ·
(573) 884-8445 Dr. Alhareth Al Juboori, M.D.Columbia, MO · $211 in drug and device payments (2025) · Telehealth ·
(573) 884-7600 Dr. Ameena Anees, MDColumbia, MO · $273 in drug and device payments (2025) ·
(573) 777-8818 Dr. Amin Mahdi, M.D.Columbia, MO · No drug or device payments recorded (2025) ·
(573) 882-1434 Dr. Ashraf Almomani, MDColumbia, MO · $710 in drug and device payments (2025) ·
(573) 884-7600 Dr. Bradley Anderson, MDColumbia, MO · $136,151 in drug and device payments (2025) ·
(573) 777-8818 Dr. Darian Fard, MDColumbia, 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, MDColumbia, 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, MDColumbia, 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, MDColumbia, MO · No drug or device payments recorded (2025) ·
(573) 884-6393 Dr. Jack Bragg, DOColumbia, 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, DOColumbia, MO · $173 in drug and device payments (2025) · Telehealth ·
(573) 884-9066 Dr. John Marshall, MDColumbia, 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, MDColumbia, 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, MDColumbia, MO · No drug or device payments recorded (2025) ·
(573) 884-7600 Dr. Mahmoud Mansour, MDColumbia, MO · $57 in drug and device payments (2025) ·
(573) 884-7600 Dr. Ma'n Abdullah, MDColumbia, 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, MDColumbia, MO · $2,696 in drug and device payments (2025) ·
(573) 777-8818 Dr. Michael Williams, MDColumbia, MO · $4,567 in drug and device payments (2025) ·
(573) 777-8818 Dr. Michele Diaz-arias, MDColumbia, MO · No drug or device payments recorded (2025) ·
(573) 777-8818 Dr. Nicolas Llorens, MDColumbia, MO · $1,452 in drug and device payments (2025) ·
(573) 777-8818 Dr. Omer Basar, MDColumbia, MO · $338 in drug and device payments (2025) ·
(573) 882-8586 Dr. Osama Alshakhatreh, MDColumbia, MO · No drug or device payments recorded (2025) ·
(573) 882-1013 Dr. Pawel Szurnicki, MDColumbia, MO · $20 in drug and device payments (2025) ·
(573) 884-8445 Dr. Peter Cleavinger, MDColumbia, MO · $1,080 in drug and device payments (2025) ·
(573) 777-8818 Dr. Pravallika ChadalavadaColumbia, 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, MDColumbia, MO · $545 in drug and device payments (2025) ·
(573) 777-8818 Dr. Steven Kaster, MDColumbia, 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 Conditions Gastroenterology providers in Columbia, 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.
- Acid reflux
- IBS
- Crohn disease
- Ulcerative colitis
- Celiac disease
- Colon cancer screening
Common questions
How many Gastroenterology providers are in Columbia, Missouri?There are 42 Gastroenterology providers with active NPI records practicing in Columbia, according to federal NPPES data refreshed monthly.
How many Gastroenterology providers in Columbia received drug or device company payments?28 of 42 (67%) 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 Columbia treat?Gastroenterology providers in Columbia 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 records 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.
All specialties in Columbia Gastroenterology across Missouri