Dr. Sarah E. Koller is a colon and rectal surgeon in Los Angeles, California and is affiliated with multiple hospitals in the area, including Keck Medical Center of USC and LAC+USC Medical Center. She received her medical degree from Drexel University College of Medicine/Hahnemann University and has been in practice between 11-20 years. Dr. Sarah E. Koller has expertise in treating colon removal, colonoscopy, among other conditions - see all areas of expertise. Dr. Sarah E. Koller accepts Blue Cross - see other insurance plans accepted.