Dr. Bret N. Namihas is a gastroenterologist in Redding, California and is affiliated with multiple hospitals in the area, including Mercy Medical Center Redding and Shasta Regional Medical Center. He received his medical degree from University of California, Irvine, School of Medicine and has been in practice for more than 20 years. Dr. Bret N. Namihas has expertise in treating colonoscopy, upper gi endoscopy, gastroenteritis, among other conditions - see all areas of expertise. Dr. Bret N. Namihas accepts Medicare, Humana, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. Bret N. Namihas is highly recommended by patients.