Lin Chang, MD
Vice Chief, Vatche and Tamar Manoukian Division of Digestive Diseases
Program Director, UCLA GI Fellowship Program
Co-Director, G. Oppenheimer Center for Neurobiology of Stress and Resilience
Professor of Medicine
David Geffen School of Medicine at UCLA

Dr. Chang earned her medical degree from the UCLA School of Medicine and completed her internship and residency in internal medicine at Harbor-UCLA Medical Center. She completed her gastroenterology fellowship training at the UCLA affiliated training program in gastroenterology. Dr. Chang's clinical expertise is in functional gastrointestinal disorders which include irritable bowel syndrome (IBS), chronic constipation and functional dyspepsia. Her research is focused on the pathophysiology of IBS related to stress, sex differences, genetic and epigenetic factors, neuroendocrine alterations, and gut microbiome and the treatment of IBS. She is the co-director of the G. Oppenheimer Center for Neurobiology of Stress and Resilience. She is vice-chief of the Vatche and Tamar Manoukian Division of Digestive Diseases at UCLA. She is also the program director of the UCLA Gastroenterology Fellowship Program. Dr. Chang is a recipient of the Janssen Award in Gastroenterology for Basic or Clinical Research and the AGA Distinguished Clinician Award. She has authored more than 120 original research articles, 55 review articles, and 20 book chapters on her specialty interests and is a frequent speaker at national and international meetings. Active in professional organizations, she is a member of the Rome Foundation Board of Directors, serves as clinical research councilor of the AGA Governing Board, previously served as president of the American Neurogastroenterology and Motility Society (ANMS), and is a fellow of the American Gastroenterological Association (AGA) and American College of Gastroenterology (ACG).