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Osama Altayar

Gastroenterology

Osama Altayar, MD

Associate Professor of Medicine

Saint Louis, MO

Dr. Osama Altayar, MD, is a board-certified gastroenterologist practicing in Saint Louis, Missouri, with expertise in pancreatic disease and esophageal disorders. He manages a broad spectrum of gastrointestinal conditions, including abdominal pain, ulcers, diarrhea, gastrointestinal cancer, jaundice, iron deficiency anemia, and diseases of the stomach, intestines, liver, and gallbladder. As a general gastroenterologist at Washington University School of Medicine and BJC HealthCare, Dr. Altayar p

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15+

Years in Practice

Credentials

Board Certifications

  • Gastroenterology (ABIM)
  • Internal Medicine (ABIM)

Education & Training

  • Washington University in St. Louis School of Medicine — Fellowship, Gastroenterology (2019)
  • Allegheny General Hospital — Residency, Internal Medicine
  • University of Damascus — M.D.

Peer Recognition

  • American Gastroenterological AssociationOutstanding Service Award

    2021

  • Castle ConnollyTop Doctor

    2022-2026 (5 years)

  • St. Louis MagazineTop Doctor

    2022-2025 (4 years)

  • St. Louis Magazine AugustTop Doctor

    2024

Clinical Focus

Subspecialties

Celiac DiseasePancreaticobiliary

Conditions & Treatments

Celiac DiseasePancreatitisBile Duct DisordersERCP & Biliary Endoscopy

Practice Details

Hospital Affiliations

  • Barnes-Jewish Hospital
  • Progress West Hospital
  • Missouri Baptist Medical Center
  • Barnes-Jewish West County Hospital

Languages

English, Arabic

Experience

15+ years in practice