Dr. Karen Hanna is a well-known general surgeon in Vista, California. She received her medical diploma from Rush Medical College of Rush University, in 1992. After getting her medical degree, she did an internship in general surgery at the Naval Medical Center in Portsmouth in 1993. Dr. Hanna completed her medical education with a residency in general surgery at the Naval Medical Center Portsmouth in 1999 and a fellowship in minimally invasive surgery at the University of Missouri Medical Center in 2008. She is certified by the American Board in surgery. This doctor works in several hospitals in the area, including: Tri-City Medical Center, the Naval Medical Center San Diego, Palomar Medical Center and Bariatric Surgery Clinic San Diego. She was awarded the honor ACS Fellow. She is a member of the Scripps Mercy Physicians Partners and Scripps Affiliated Medical Groups.