Dr. Harold E Quan specializes in cardiovascular disease (cardiology) in Santa Clarita area. Dr. Harold E Quan has a medical practice at 23928 Lyons Avenue, Suite 101, Santa Clarita CA, and has over 45 years of experience in the field of medicine. He graduated from his medical school with his medical degree in 1972. He is affiliated with numerous hospitals, including Henry Mayo Newhall Hospital (CA) and more. Dr. Quan is accepting new patients at his medical office and practice location in Santa Clarita, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.