Dr. Tsai is a licensed Internal Medicine in PA. Medical degree obtained from University of the Witwatersrand Health Science, Johannesburg. Completed residency training at Einstein Healthcare Network. Currently practices at Doylestown Health (Doylestown Health), located at 599 W. State St, Doylestown, PA 18901. Dr. Tsai specializes in internal medicine, primary care.. In addition to English, Dr. Tsai speaks Mandarin and accepts new patients.