Dr. Chung-Hsun Mark Tsai is a California state licensed medical doctor, specializing in Internal Medicine. Graduated Magna Cum Laude from University of Pittsburgh School of Medicine, completed residency training in UCLA Health, Dr. Tsai's clinical interests include internal medicine and primary care. Dr. Tsai currently is working at Optum Care, located in 16415 S. Colorado Ave #101 Paramount CA 90723 Dr. Tsai's clinic interests include internal medicine and primary care. Please call +1-562-634-6341 to contact. Access cdoc101.com on a desktop computer to view more details. | |||