Dr. Julio E. Williams is a thoracic surgeon in San Bernardino, California and is affiliated with Essentia Health-Fargo. He received his medical degree from Pontificia Universidad Católica Madre y Maestra and has been in practice for more than 20 years. He has expertise in treating heart bypass surgery, heart valve surgery, among other conditions - see all areas of expertise. Dr. Julio E. Williams accepts Medicare, Aetna, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted.