Start Enjoying Life Comfortably! Dr. Maz Ghodsian, the Medical Director of the Proctology Institute is a highly trained Proctologic Surgeon and he understands the sensitive nature of your problem. Using his minimally invasive and aesthetic approach, Dr. Maz uses both surgical and non-surgical approaches in treating his patients. Dr. Maz specializes in diseases of the colon and rectal surgery including colonoscopy as well as the cosmetic removal of anal skin tags, lesions, warts and hemorrhoids.