Dr. Tien An Yang specializes in ophthalmology in Vallejo area. Dr. Tien An Yang, MD has a medical practice at 975 Sereno Drive, Kaiser Permanente Medical Center, Vallejo CA, and has over 14 years of experience in the field of medicine. She graduated from Cornell University Medical College with her medical degree in 2003. Dr. Yang is accepting new patients at her medical office and practice location in Vallejo, California. She is available for appointments, preventative care, medical care as well as ongoing patient care.