The following gastroenterologists lead departments at hospitals ranked among the top 10 for gastroenterology and GI surgery by U.S. News & World Report for 2025-26.
- Johns Hopkins Hospital (Baltimore)
James Hamilton, MD, is director of hepatology and interim director of the division of gastroenterology and hepatology at Johns Hopkins Medicine. Dr. Hamilton is an expert in liver diseases, including Wilson’s disease, cirrhosis and hepatocellular carcinoma. His research focuses on copper metabolism, liver fibrosis and early detection biomarkers for liver cancer. He is active in research and education and has been recognized as a top doctor by Baltimore Magazine.
- Houston Methodist Hospital
Eamonn Quigley, MD, is head of gastroenterology and hepatology at Houston Methodist Hospital. An international leader in neurogastroenterology and motility disorders, he specializes in irritable bowel syndrome, GERD and the gut microbiome. His research explores how intestinal bacteria influence nutrition and disease. He is also a past president of the American College of Gastroenterology and World Gastroenterology Organization.
- UCLA Medical Center (Los Angeles)
Eric Esrailian, MD, is chief of the division of digestive diseases and director of the Melvin and Bren Simon Digestive Diseases Center at UCLA. Dr. Esrailian is a clinical professor of medicine whose work focuses on gastroenterology, healthcare innovation and patient-centered care. He holds the Lincy Foundation Chair in Clinical Gastroenterology and has helped lead strategic and educational initiatives at UCLA Health.
- Massachusetts General Hospital (Boston)
Wolfram Goessling, MD, PhD, is chief of gastroenterology at Massachusetts General Hospital and holds the Jules L. Dienstag, MD and Betty and Newell Hale Endowed Chair in Gastroenterology. He is also the Robert H. Ebert Professor of Medicine at Harvard Medical School and director of the Harvard-MIT Division of Health Sciences and Technology. Dr. Goessling specializes in chronic liver disease and liver cancer, and his research focuses on liver development, regeneration and cancer biology.
- Northwestern Medicine-Northwestern Memorial Hospital (Chicago)
Michael Rosen, MD, is chief of gastrointestinal surgery and surgical director of the Digestive Health Institute at Northwestern Medicine. Dr. Rosen specializes in complex abdominal wall reconstruction and hernia repair, leading efforts to build a multidisciplinary program focused on advanced, minimally invasive treatments. His research centers on improving surgical outcomes and optimizing patient care through national quality collaboratives and clinical trials.
