Dr. Zirin is dually certified in internal medicine and gastroenterology, and has more than three decades experience helping diagnose and treat problems in the digestive system.
Dr. Amorosino is board certified in gastroenterology. He received his medical degree from Boston University and performed his post-graduate training at Boston Medical Center and the Boston Veteran’s Administration Medical Center. Dr. Amorosino is an active physician leader and currently serves on the hospital's Board of Trustees.
Dr. Liu is board certified in internal medicine and gastroenterology. He received his medical degree from Northwestern University and performed his post graduate training at the University of Maryland and Boston Medical Center. After completing training, Dr. Liu joined the faculty at Weill Cornell Medical Center/New York Presbyterian Hospital. He then served as Chief of Gastroenterology at the New England Baptist Hospital in Boston with a joint teaching/practice position at Beth Israel Deaconess Medical Center.