Dr. Michael C. Gynn is a general surgeon in Pleasanton, California and is affiliated with multiple hospitals in the area, including Contra Costa Regional Medical Center and John Muir Health-Concord Medical Center. He received his medical degree from University of North Carolina at Chapel Hill School of Medicine and has been in practice for more than 20 years. Dr. Michael C. Gynn has expertise in treating mastectomy, colon removal, among other conditions - see all areas of expertise. Dr. Michael C. Gynn accepts Aetna, Blue Cross - see other insurance plans accepted. Dr. Michael C. Gynn is highly recommended by patients.