Dr. Stanley S Leong specializes in cardiovascular disease (cardiology) in El Monte area. Dr. Stanley S Leong has a medical practice at 10953 Ramona Boulevard, El Monte CA, and has over 40 years of experience in the field of medicine. He graduated from his medical school with his medical degree in 1977. He is affiliated with numerous hospitals, including Silver Lake Medical Center (CA) and more. Dr. Leong is accepting new patients at his medical office and practice location in El Monte, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.