Steven Yu Villanueva , 

MD

Steven Yu Villanueva, M.D. is certified by the American Board of Internal Medicine, Gastroenterology and Hepatology. In 1988, he began his residency at Guthrie Medical Center in Pennsylvania where he later pursued his fellowship. From 1986-1988, Dr. Villanueva completed a Fellowship at the University of Miami School of Medicine, Jackson Memorial Hospital, where he performed clinical research in Hepatology. After working at Charles Cole Memorial Hospital in Pennsylvania, he joined G.I. Associates in 1995.