Osama Altayar

Osama Altayar, MD

Top Doctors®

Specializes In
  • Gastroenterology
Referral Type

Professional Consultation Only

Languages Spoken
  • Arabic
  • English


Sees Patients For

General gastroenterology, iron deficiency anemia, gastrointestinal bleeding, gastric intestinal metaplasia, autoimmune gastritis, pernicious anemia, irritable bowel syndrome, functional gastrointestinal disorders, luminal gastrointestinal disorders

Hospital Affiliations

  • Barnes-Jewish Hospital



Academic Title(s)

Assistant Professor, MedicineDivision of Gastroenterology

Research Interests

Epidemiology, knowledge synthesis, systematic reviews, meta-analysis, clinical guidelines, big data, prediction models

Publications & Research

Search PubMed for publications »


Fellowship: Gastroenterology

2019 Washington University in St. Louis School of Medicine, St. Louis, MO

Residency: Internal Medicine

2016 Allegheny Health Network Medical Education Consortium, Pittsburgh, PA

Fellowship: Evidence-Based Research Program

2013 Mayo Clinic, Rochester, MN

Medical Degree

2011 University of Damascus Faculty of Medicine, Damascus, Syria