Gastroenterologists Accepting QuartzPage 46
1,273 verified gastroenterologists across the U.S. accept Quartz. Profiles cover focus areas including Clinical Hepatology, Advanced Endoscopy, and Inflammatory Bowel Disease. Common hospital affiliations include SSM Health Saint Louis University Hospital, Geisinger Medical Center, and MedStar Washington Hospital Center.


Wing-Kin Syn, MD, PHD
James F King Chair in Gastroenterology; Director, Division of Gastroenterology and Hepatology; Professor of Medicine; Co-Director, Saint Louis University Liver Center
Gastroenterology


David Diehl, M.D.
Clinical Professor of Medicine and Pathology; Department of Gastroenterology, Geisinger Medical Center
Gastroenterology


Lauren George, M.D.
Gastroenterology


Nader Balba, MD
Gastroenterology
Gastroenterology


Mohammad Siddiqui, MD
Professor of Medicine; Director of Transplant Research (joining UVA July 2025)
Gastroenterology


Razvan Arsenescu, MD
Gastroenterology


Jason Conway, MD
Associate Professor, Gastroenterology, Internal Medicine (Winston-Salem)
Gastroenterology


Joseph David, M.D.
Assistant Clinical Professor, Clinical Series - Internal Medicine, Division of Gastroenterology
Gastroenterology


Amit Gajera, M.D.
Gastroenterology


Makoto Nishimura, MD
Attending Physician, Gastroenterology, Hepatology, and Nutrition Service
Gastroenterology


Mohammad Al-Haddad, MD
Naga P. Chalasani Professor of Gastroenterology and Hepatology; Professor of Medicine; Division Director
Gastroenterology


Joshua Olstein, MD
Gastroenterology


Pramod Mistry, MBBS PHD
Professor of Medicine (Digestive Diseases), Professor of Pediatrics (Gastroenterology), and Professor of Cellular & Molecular Physiology; Director, Yale Lysosomal Disease Center and Gaucher Disease Treatment Center
Gastroenterology


Richard Sigmon, MD
Gastroenterology


Fares Ayoub, MD
Assistant Professor of Medicine, Department of Medicine, Section of Gastroenterology & Hepatology, Baylor College of Medicine
Gastroenterology


Kuldeep Tagore, M.D.
Associate Clinical Professor
Gastroenterology


Sanjay Sandhir, M.D.
Assistant Clinical Professor of Medicine
Gastroenterology


Neil Shah, M.D.
Associate Professor of Medicine; Transplant Hepatology Program Director; Associate Medical Director of Liver Transplantation
Gastroenterology


Matthew Nikoloff, M.D.
Gastroenterology


Claudia Nugent, M.D.
Gastroenterology
Gastroenterologists accepting Quartz by state
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