Andrew H. Ko, M.D. specializes in the treatment of malignancies of the gastrointestinal tract, including esophageal, stomach, colorectal, pancreatic, and hepatobiliary cancers. Dr. Ko graduated magna cum laude from Brown University and received his medical degree from Johns Hopkins School of Medicine. After an internship and residency at Beth Israel Hospital in Boston, he completed a fellowship in medical oncology at Stanford University before joining the UCSF faculty in 2001.

Dr. Ko regularly presents patient cases at the Thoracic Oncology and GI Tumor Boards. He is a frequent lecturer in the GI cancer field and has served as Principal Investigator for trials using novel agents in esophageal and GI cancers. Dr. Ko holds memberships in numerous professional organizations and is a member of the Protocol Review and Data and Safety Monitoring committees at UCSF.