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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. Melissa Kaltenbach, M.D.
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 652-4100
Dr. Michael Ansstas, M.D.
Saint Louis, MO · $104 in drug and device payments (2025) · (314) 953-8799
Dr. Michael Bennett, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 747-2075
Dr. Michael Clanahan, MD
Saint Louis, MO · $117 in drug and device payments (2025) · Telehealth · (314) 251-2880
Dr. Michael Flynn, M.D.
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 752-7100
Dr. Michael Heavey, M.D.
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 646-7848
Dr. Michael Presti, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 543-5911
Dr. Michael Rubeiz, MD
Saint Louis, MO · $99 in drug and device payments (2025) · (314) 362-8065
Dr. Michele Woodley, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 996-3520
Dr. Michelle Baliss, DO
Saint Louis, MO · $15,146 in drug and device payments (2025) · Telehealth · (314) 747-2066
Dr. Mike Giacaman, M.D.
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 257-2140
Dr. Mohammad Tarik Firozi, MD
Saint Louis, MO · $43 in drug and device payments (2025) · Telehealth · (314) 292-7305
Dr. Mohammed Eyad Alsabbagh, M.D.
Saint Louis, MO · $535 in drug and device payments (2025) · (314) 543-5911
Dr. Muddasani Reddy, DO
Saint Louis, MO · $75 in drug and device payments (2025) · (314) 251-3881
Dr. Muhammad Nyazee, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 837-4200
Dr. Naeem Aslam, MD
Saint Louis, MO · $790 in drug and device payments (2025) · Telehealth · (314) 963-8799
Dr. Nazli Begum Ozturk, MD
Saint Louis, MO · $455 in drug and device payments (2025) · (314) 257-8000
Dr. Neil Frederickson, M.D.
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 645-1344
Dr. Nicholas Davidson, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 747-2066
Dr. Nicole Shen, M.D.
Saint Louis, MO · $1,405 in drug and device payments (2025) · (724) 816-3152
Dr. Nikhil Banerjee, M.D.
Saint Louis, MO · $19,992 in drug and device payments (2025) · (314) 997-0554
Dr. Olayiwola Olagbegi, M.D.
Saint Louis, MO · $685 in drug and device payments (2025) · (314) 953-8799
Dr. Osama Altayar, MD
Saint Louis, MO · No drug or device payments recorded (2025) · Telehealth · (314) 747-2066
Dr. Parakkal Deepak, MD
Saint Louis, MO · $121,668 in drug and device payments (2025) · Telehealth · (314) 747-2075
Dr. Parth Shah, MD
Saint Louis, MO · $30 in drug and device payments (2025) · Telehealth · (314) 747-2066
Dr. Parul Gor, M.D.
Saint Louis, MO · $95 in drug and device payments (2025) · Telehealth · (314) 251-2880
Dr. Paul King, M.D.
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 251-2880
Dr. Picha Moolsintong, MD
Saint Louis, MO · $3,305 in drug and device payments (2025) · (314) 543-5200
Dr. Priyanka Tiwari, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 251-2880
Dr. Quazim Alayo, MD
Saint Louis, MO · $90 in drug and device payments (2025) · (314) 747-2066
Dr. Rajesh Keswani, MD
Saint Louis, MO · $4,606 in drug and device payments (2025) · (314) 747-2066
Dr. Rajesh Shah, M.D.
Saint Louis, MO · $49 in drug and device payments (2025) · (314) 251-2880
Dr. Raj Jessica Thomas
Saint Louis, MO · $208 in drug and device payments (2025) · (314) 257-8000
Dr. Riad Azar, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 747-2066
Dr. Richard Rood, MD
Saint Louis, MO · $191 in drug and device payments (2025) · Telehealth · (314) 747-2066
Dr. Robert Mcmahon, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 492-4100
Dr. Robert Shuman, M.D.
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 367-3113
Dr. Rodney Newberry, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 747-2066
Dr. Ronald Gould, M.D.
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 645-1344
Dr. Roshani Desai, MD
Saint Louis, MO · $199 in drug and device payments (2025) · Telehealth · (314) 251-3600
Dr. Ruben Aymerich, MD
Saint Louis, MO · $17 in drug and device payments (2025) · Telehealth · (314) 646-7848
Dr. Sajidul Ansari, MD
Saint Louis, MO · $2,591 in drug and device payments (2025) · (314) 543-5200
Dr. Samer Alkaade, M D
Saint Louis, MO · $10,711 in drug and device payments (2025) · (314) 543-5911
Dr. Sami Almaskeen, M.D.
Saint Louis, MO · $1,033 in drug and device payments (2025) · Telehealth · (314) 289-6434
Dr. Samuel Burton, M.D.
Saint Louis, MO · $69 in drug and device payments (2025) · (314) 251-2880
Dr. Sandeep Tripathy, MD
Saint Louis, MO · $170 in drug and device payments (2025) · Telehealth · (314) 747-2066
Dr. Scott Mchenry, MD
Saint Louis, MO · No drug or device payments recorded (2025) · Telehealth · (314) 747-2066
Dr. Siddique Akram, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 996-3520
Dr. Siyan Cao, MD
Saint Louis, MO · $80 in drug and device payments (2025) · (314) 747-2066
Dr. Stephen Hasak, MD
Saint Louis, MO · $6,520 in drug and device payments (2025) · Telehealth · (314) 747-2075

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.