After his residency training at the New York Medical College, Dr. Romero went into private practice in 1988.
He was drawn to the treatment of obesity as a specialty and became Board Certified in 1990 by the American Board of Bariatric Medicine. He is one of the few diet doctors (about 300) honored with a Diplomate of the American Board of Bariatric Medicine. Dr. Romero is the only board-certified bariatrician on Long Island. He is also a member of the American Society of Bariatric Physicians.