Department of Medicine
Gastroenterology & Hepatology
Division Chief
Juanita Merchant, MD, PhD
Regents Professor
Professor of Medicine
Chief, Division of Gastroenterology & Hepatology
Research Member, Cancer Biology Program, University of Arizona Cancer Center
Associate Director for Basic Sciences, University of Arizona Cancer Center
Oleh Haluszka, MD
Clinical Professor, (Clinical Series Track)
Associate Chief, Division of Gastroenterology and Hepatology
Faculty
Avin Aggarwal, MBBS
Associate Program Director, GI Fellowship Program
Clinical Assistant Professor
Medical Director, South Campus Endoscopy Services
Rilwan Balogun, MD
Assistant Clinical Professor, Medicine - (Clinical Series Track)
Geoffrey Block, MD, MSc, FACP
Clinical Professor of Medicine
Medical Director, Liver Transplant
Interim Director, Thomas D. Boyer Liver Institute
James Patrick Dinning
Assistant Clinical Professor, Medicine - (Clinical Series Track)
Susana Escalante-Glorsky, MD
Assistant Clinical Professor, Medicine - (Clinical Series Track)
Oleh Haluszka, MD
Clinical Professor, (Clinical Series Track)
Associate Chief, Division of Gastroenterology and Hepatology
Haripriya Maddur, MD
Associate Professor, Medicine - (Clinical Scholar Track)
Joshua Melson, MD
Program Director, Gastroenterology Fellowship
Clinical Professor of Medicine
Director, High-Risk Clinic for Gastrointestinal Cancers, University of Arizona Cancer Center
Juanita Merchant, MD, PhD
Regents Professor
Professor of Medicine
Chief, Division of Gastroenterology & Hepatology
Research Member, Cancer Biology Program, University of Arizona Cancer Center
Associate Director for Basic Sciences, University of Arizona Cancer Center
Bhupesh Pokhrel, MBBS
Professor, Medicine - (Clinical Scholar Track)
Sasha Taleban, MD
Associate Professor, Medicine - (Clinical Scholar Track)
Associate Program Director, Gastroenterology & Hepatology Fellowship
Director, Inflammatory Bowel Disease Program
Kai Rou Tey, MD
Clinical Assistant Professor of Medicine
Cameron Thompson, MD
Assistant Clinical Professor, Medicine - (Clinical Series Track)
Research Staff
Maria Gordon, MS
Senior Clinical Research Manager
Research Center Manager, Clinical and Translational Science Research Center (CATS)
