Dr. Mark C Heffernan specializes in clinical psychologist in Rancho Mirage area. Dr. Mark C Heffernan, CP has a medical practice at 79 Augusta Drive, Rancho Mirage CA, and has over 27 years of experience in the field of medicine. He graduated from his medical school with his medical degree in 1990. Dr. Heffernan is accepting new patients at his medical office and practice location in Rancho Mirage, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.