Dr. Peter Frank Mastan specializes in ophthalmology in Torrance area. Dr. Peter Frank Mastan has a medical practice at 21350 Hawthorne Boulevard, Suite 158, Torrance CA, and has over 55 years of experience in the field of medicine. He graduated from University Of Maryland School Of Medicine with his medical degree in 1962. Dr. Mastan is accepting new patients at his medical office and practice location in Torrance, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.