Dr. Peter N Mattar specializes in family practice in Fontana area. Dr. Peter N Mattar has a medical practice at 9961 Sierra Avenue, Fontana CA, and has over 12 years of experience in the field of medicine. He graduated from Loma Linda University School Of Medicine with his medical degree in 2005. Dr. Mattar is accepting new patients at his medical office and practice location in Fontana, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.