Dr. Chai-Yung Johnny Tsai is a California state licensed medical doctor, specializing in Family Medicine. Graduated Magna Cum Laude from New York University School of Medicine, completed residency training in Harbor-UCLA, Dr. Tsai currently is working at Portola Direct Primary Care, located in 1190 Roosevelt Irvine CA 92620 Please call +1-949-346-4456 to contact. Access cdoc101.com on a desktop computer to view more details. | |||