Dr. Edwin S. Hayashi is a general surgeon in Pismo Beach, California and is affiliated with multiple hospitals in the area, including French Hospital Medical Center and Marian Regional Medical Center. He received his medical degree from University of California (San Francisco) School of Medicine and has been in practice for more than 20 years. Dr. Edwin S. Hayashi has expertise in treating mastectomy, colon removal, surgical removal of the bladder, among other conditions - see all areas of expertise. Dr. Edwin S. Hayashi accepts Medicare, Aetna, Humana, Blue Cross - see other insurance plans accepted. Dr. Edwin S. Hayashi is highly recommended by patients.