| Dr. Tien-An Yang is a California state licensed medical doctor, specializing in Ophthalmology. Graduated Magna Cum Laude from Weill Cornell Medicine, completed residency training in UCLA Health, and completed the Ophthalmology specialist training at UCSF Health. Dr. Yang currently is working at Kaiser Permanente, located in 975 Sereno Dr Vallejo CA 94589 | |||