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Fellowship Program 

Fellowship Program

Physician's Name
University Affiliation
First Year GI Fellows
Therese Bitterman, MD
Drexel University
Gene K. Ma, MD
Stanford University
Amanke Oranu, MD
University of Nigeria Faculty of Medicine
Claudio Rivera, MD, MPH
University of Illinois College of Medicine
Giorgio Roccaro, MD
State University of New York Downstate
Second Year GI Fellows
Karl Bezak, MD

New York Presbyterian
Weill Cornell Medical Center

Tatyana Kushner, MD
Mt. Sinai School of Medicine
Lauren Nephew, MD
Massachusetts General Hospital
Josephine Ni, MD (Josie)
New York University Langone Medical Center
Matthew Whitson, MD
Mt Sinai School of Medicine
Third Year GI Fellows
Koushik Das, MD
Massachusetts General Hospital
David Leiman, MD

Univesity of Pennsylvania

Brian Riff, MD
University of Pennsylvania
Kirk Wangensteen, MD, PhD
University of Vermont
Xiao Zhao, MD
Yale University
Fourth Year GI Fellows
Karen Chachu, MD, PhD
University of Pennsylvania
Bryson Katona, MD, PhD
University of Pennsylvania

Incoming Fellows' Orientation Schedule 2013-2014
Incoming Fellows' Schedule 2013-2014

A description of the Gastroenterology Fellowship Program is included in the Education Section

University of Pennsylvania | Perelman School of Medicine