Faculty Research

Physicians in the Division of Gastroenterology and Hepatology at Penn State participates in numerous national collaborative clinical trials, drug studies, and independent research projects.

No Photo Available   Thomas J. McGarrity, M.D.

Division Chair
Professor of Medicine

Department/Institute/Center(s): Gastroenterology

No Photo Available   Ann Ouyang, M.D.

Professor of Medicine

Department/Institute/Center(s): Gastroenterology , Neuroscience

No Photo Available   Abraham Mathew, M.D.

Assistant Professor of Medicine

Department/Institute/Center(s): Gastroenterology

No Photo Available   S. Devi Rampertab, M.D.

Associate Professor of Medicine

Department/Institute/Center(s): Gastroenterology , Internal Medicine

No Photo Available   Thomas R. Riley, III, M.D., M.S.

Medical Director, Hepatology
Professor of Medicine

Department/Institute/Center(s): Gastroenterology

No Photo Available   Jill P. Smith, M.D.

Professor of Medicine

Department/Institute/Center(s): Gastroenterology , Internal Medicine , Physiology , Cell and Molecular Biology

No Photo Available   Shivakumar Vignesh, M.D.

Associate Professor of Medicine

Department/Institute/Center(s): Gastroenterology

No Photo Available   Lihua Xu, M.D.

Instructor of Medicine

Department/Institute/Center(s): Gastroenterology