One of the few physicians in the northeast adept at the cutting-edge, minimally invasive da Vinci Surgical System is a new hire at Huntington Hospital. Dr. David E. Rivadeneira is a colorectal surgeon specializing in complex procedures for the ever-so-delicate lower end of the digestive tract. His work with the da Vinci will give the region access to some of the safest, least invasive surgeries possible. hunthosp.org.