Dr. John H. Winston is a colon and rectal surgeon in San Antonio, Texas and is affiliated with multiple hospitals in the area, including Baptist Medical Center, Methodist Hospital-Stone Oak and Huebner Ambulatory Surgery Center. He received his medical degree from University of Alabama School of Medicine and has been in practice for more than 20 years. Dr. John H. Winston has expertise in treating colonoscopy, colon removal, among other conditions - see all areas of expertise. Dr. John H. Winston accepts Medicare, Aetna, Humana, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. John H. Winston is highly recommended by patients.