Andrew Raissis, MD

Colon and Rectal Surgeon located in Bloomfield, CT & South Windsor, CT

About Dr. Raissis

Andrew Raissis, MD, specializes in colon and laparoscopic rectal surgery at Colon and Rectal Surgeons of Greater Hartford, serving the communities in and around Bloomfield, South Windsor, and Plainville, Connecticut. 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. He then earned his board certifications in general surgery and colon and rectal surgery.

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.

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,  Office of Andrew Raissis, MD

Andrew Raissis, MD, specializes in colon and laparoscopic rectal surgery at Colon and Rectal Surgeons of Greater Hartford, serving the communities in and around Bloomfield, South Windsor, and Plainville, Connecticut. 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. He then earned his board certifications in general surgery and colon and rectal surgery.

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.


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