He attended Ross University School of Medicine and then went on to complete his residency at St. Luke's-Roosevelt Hospital Center. Areas of particular interest for Dr. Marrero include cardiac imaging. Dr. Marrero is rated highly by his patients. He takes Coresource, Aetna EPO, and Blue Cross/Blue Shield, in addition to other insurance carriers. He has received professional recognition including the following: New York Rising Stars. Dr. Marrero speaks Spanish. He is affiliated with NYU Langone Cardiovascular Associates and NewYork-Presbyterian Queens.