Gastroenterology

Nuzhat Ahmad, MD

Gastroenterology

Associate Director of Endoscopy, Hospital of the University of Pennsylvania

Vice Chief, Division of Gastroenterology

Professor of Medicine at the Hospital of the University of Pennsylvania

Gregory G. Ginsberg, MD

Gastroenterology

Director, Endoscopic Services Gregory G. Ginsberg, MD

Professor of Medicine at the Hospital of the University of Pennsylvania

Professor of Surgery

Gregory G. Ginsberg, MD is Professor of Medicine at the University of Pennsylvania’s Perelman School of Medicine where he is a member of the Gastroenterology Division, and the Abramson Cancer Center. Dr. Ginsberg received his Medical Degree from the Thomas Jefferson University School of Medicine and completed Internal Medicine Residency training at Georgetown University Medical Center. He completed his Gastroenterology Fellowship at the Georgetown University/Washington DC VAMC/NIH program and formal training in Advanced Endoscopy at Georgetown University Medical Center. He has been Director of Endoscopic Services at the Hospital of the University of Pennsylvania since 1995 and is the Executive Director of Endoscopic Services for Penn Medicine.

Bryson Katona, MD, PhD

Gastroenterology

Director, Gastrointestinal Cancer Genetics Program Bryson Katona, MD, PHD

Director, Gastrointestinal Cancer Risk Evaluation Program

Member, Abramson Cancer Center

Assistant Professor of Medicine at the Hospital of the University of Pennsylvania

Bryson Katona, MD, PhD is an Assistant Professor of Medicine in the Division of Gastroenterology and Hepatology at the University of Pennsylvania Perelman School of Medicine in the United States, where he serves as the Director of the Gastrointestinal Cancer Genetics Program and Director of the Gastrointestinal Cancer Risk Evaluation Program, and he also is a member of the Cancer Control Program of the Abramson Cancer Center. Dr. Katona is a physician-scientist who is an expert in gastrointestinal cancer genetics, and his research program focuses on the diagnosis, risk assessment, management, and biology of hereditary gastrointestinal cancer predisposition syndromes, including pancreatic cancer. Through Penn’s Pancreatic Cancer Risk Management Program, Dr. Katona is the principal investigator for three ongoing pancreatic cancer early detection studies being run at Penn.

Michael L. Kochman, MD

Gastroenterology Michael L. Kochman, MD

Director, Center for Endoscopic Innovation, Research and Training

Wilmott Family Professor

Professor of Surgery