Dr. Andrew Raissis, MD

Andrew Raissis, MD, FACS, is a partner at the Colon and Rectal Surgeons of Greater Hartford, the largest dedicated colon and rectal surgery group in New England, with offices in Bloomfield and South Windsor, Connecticut. Dr. Raissis is board certified in both general surgery and colon and rectal surgery, and a fellow of the American College of Surgeons.   He’s dedicated to using the most clinically effective, cutting-edge methods to get the best results for the men and women who entrust their care to him.

Dr. Raissis’s career as a colon and rectal surgeon began with years of higher education. First, he graduated with a biology degree from Fairfield University in Fairfield, Connecticut, and then earned his medical degree from the University of Connecticut School of Medicine in Farmington, CT.  During his time in medical school, Dr. Raissis volunteered his time providing ambulatory care to underserved homeless and migrant populations. 

To complete his training, Dr. Raissis completed his residency at Drexel University in Philadelphia, Pennsylvania, and his fellowship at MedStar Washington Hospital Center in Washington, DC. 

Today, Dr. Raissis uses his expertise to provide colorectal care for conditions like Crohn's disease, prolapse, fistulas, and colorectal cancer. From preventive screenings to advanced laparoscopic procedures, Dr. Raissis uses the skills he’s acquired to optimize his patients’ whole-body health and wellness.