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Gastroenterology in Saint Louis, Missouri

Data updated monthly · Last refresh September 2026

156 Gastroenterology providers practice in Saint Louis, and 66% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Gastroenterology providers in Saint Louis

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. 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
Dr. Faiza Bhatti, M.D.,
Saint Louis, MO · $1,246 in drug and device payments (2025) · (314) 543-5911
Dr. Gabriel Lang, MD
Saint Louis, MO · $14,919 in drug and device payments (2025) · (314) 747-2066
Dr. Gassan Kassim, MD
Saint Louis, MO · $176 in drug and device payments (2025) · (314) 747-2066
Dr. Ghadah Al Ismail, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 286-1900
Dr. Giao Vuong, M.D.
Saint Louis, MO · $32 in drug and device payments (2025) · (314) 646-7848
Dr. Gila Hoffman, MD
Saint Louis, MO · $236 in drug and device payments (2025) · Telehealth · (314) 251-2880
Dr. Giuseppe Aliperti, M.D.
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 628-9000
Dr. Gonguntla Naidu, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 879-6363
Dr. Gregory Sayuk, MD
Saint Louis, MO · $265,465 in drug and device payments (2025) · (314) 289-6434
Dr. Heather White, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 355-4010

Conditions Gastroenterology providers in Saint Louis, 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 Saint Louis, Missouri?

There are 156 Gastroenterology providers with active NPI records practicing in Saint Louis, according to federal NPPES data refreshed monthly.

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

103 of 156 (66%) 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 Saint Louis treat?

Gastroenterology providers in Saint Louis 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 Saint Louis Gastroenterology across Missouri

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.