Dr. Maffei is board certified by the American Board of Surgery. The primary focus of his practice is bariatric surgery. He received a bachelor of science degree in biological sciences from SUNY at Stony Brook. He was then awarded his medical degree from Ross University School of Medicine in Dominica, West Indies. This was followed by his residency at Stamford Hospital/Columbia University College of Physicians and Surgeons. He then completed a fellowship in minimally invasive surgery at Westchester Medical Center.
Currently, Dr. Maffei is an attending surgeon at Westchester Medical Center and director of bariatric surgery at Putnam Hospital Center. He is director of the laparoscopic simulation lab at New York Medical College and assistant professor of surgery at New York Medical College.
Dr. Maffei joined Westmed Medical Group in April 2015. He is a police surgeon for the City of Peekskill.