Dr. Andrew Duffy is a general surgeon in Guilford, Connecticut and is affiliated with multiple hospitals in the area, including Bridgeport Hospital and Yale New Haven Hospital. He received his medical degree from UMass Chan Medical School and has been in practice for more than 20 years. Dr. Andrew Duffy has expertise in treating colon removal, among other conditions - see all areas of expertise. Dr. Andrew Duffy accepts Medicare, Aetna, Humana, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted.