Dr. Tsai is a licensed Gastroenterology in CA. Graduated in 1977. Medical degree obtained from National Taiwan University College of Medicine. Completed residency training at Hurley Medical Center and fellowship training at University of Missouri-Columbia. Currently practices at Mark Tsai MD Private Practice (Mark Tsai MD Private Practice), located at 18350 Roscoe Blvd, Northridge, CA 91325. In addition to English, Dr. Tsai speaks Taiwanese and Mandarin and accepts new patients.