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Dr. Gary W. Falk is professor of medicine in the division of gastroenterology at Penn Medicine.

He received his undergraduate and medical degrees from the University of Rochester. He completed his internal medicine residency training at George Washington University and his gastroenterology fellowship training at the University of Michigan. After completing his fellowship training, he joined the staff of the Cleveland Clinic Department of Gastroenterology and Hepatology in 1986 where he has previously been director of the GI fellowship training program. Prior to his position at Penn Medicine, Dr. Falk was professor of medicine at the Cleveland Clinic Lerner College of Medicine of Case Western Reserve University and director of the Center for Esophageal and Swallowing Disorders at the Cleveland Clinic Digestive Disease Institute. 

In 2006, Dr. Falk received a Master of Science in Clinical Research from Case Western Reserve University. He has published over 140 original articles, reviews, book chapters, and editorials. Dr. Falk's research interests focus on Barrett's esophagus with an emphasis on early detection and prevention of esophageal adenocarcinoma along with eosinophilic esophagitis.

At a national level, Dr. Falk is currently an associate editor of the American Journal of Gastroenterology and a contributor to the Selected Summaries section of Gastroenterology. He is a past president of the American Society for Gastrointestinal Endoscopy, where he served from 2006-2007.