Dr. Karen J. Hanna is a general surgeon in Vista, California and is affiliated with multiple hospitals in the area, including Naval Medical Center San Diego and Palomar Medical Center Escondido. She received her medical degree from Rush Medical College of Rush University Medical Center and has been in practice for more than 20 years. Dr. Karen J. Hanna has expertise in treating upper gi endoscopy, bariatric surgery, among other conditions - see all areas of expertise. Dr. Karen J. Hanna accepts Medicare, Aetna, Humana, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. Karen J. Hanna is highly recommended by patients.