Sections

The Division of Gastroenterology & Hepatology is broken into various sections detailed below. GI faculty are appointed to sections based on area of focus:

Pennsylvania Hospital

Section leadership

Frederick Nunes, MD
Clinical Professor of Medicine
Section Chief, Division of Gastroenterology
Director of Endoscopy, Pennsylvania Hospital Endoscopy Center
Penn Medicine Clinician, Pennsylvania Hospital
President Medical Executive Committee, Pennsylvania Hospital

Penn Presbyterian Medical Center

Gastroenterology and hepatology care is provided by a dedicated team of physicians, advanced practice providers and staff at Penn Presbyterian Medical Center and the Penn Digestive and Liver Health Center in Penn Medicine University City. Our team of general and subspecialized gastroenterologists are prepared to manage gastrointestinal and liver across the full spectrum of severity and complexity. We perform a large volume of diagnostic and therapeutic endoscopic procedures. In addition, we collaborate regularly with other specialists at Penn Medicine to facilitate our patients receiving comprehensive care.

Section leadership

James D. Lewis, MD, MSCE
Professor of Medicine
Chief of Gastroenterology and Hepatology, Penn Presbyterian Medical Center
Co-Vice Chief for Research
Director, Clinic Epi T32 Training Program
Director, Gastroenterology and Hepatology Clinical Research Program
Director, Human Intervention Core of the Penn-CHOP Microbiome Program
Co-Director, Biomedical Data Science Core of the Center for Molecular Studies in Digestive and Liver Diseases
Director, Human Subject Research Core of University of Pennsylvania's Center for Nutritional Science and Medicine

Penn Medicine Radnor

The Gastroenterology and Hepatology Division at Penn Medicine Radnor provides both expert consultation services and on-site endoscopic care at our state-of-the-art ambulatory surgical center. Our Gastroenterology and Hepatology consultants care for a full spectrum of digestive, liver, biliary, and pancreatic disorders. Subspecialists on site also provide advanced expertise in gut motility disturbances, liver disease including pre-liver transplant care, advanced pancreaticobiliary disease and inflammatory bowel disease. Our medical office also provides small bowel capsule diagnostic studies. At Penn Surgery Radnor, our team performs highly skilled screening and diagnostic colonoscopy and endoscopy procedures maintaining both an expert surgical approach and highly compassionate care.

Section leadership

Kellen Karl Kovalovich, MD
Specialty Chief for the Gastroenterology Group of Penn Specialty Practices

Medical Director

  • Penn Gastroenterology Limerick
  • Penn Gastroenterology Radnor
  • Endoscopy Associates of Valley Forge (Penn GI Ambulatory Endoscopy Center)

Division of Gastroenterology & Hepatology Sections