After graduating, he returned to his native New York, where he joined a group practice in dermatology and had the unique opportunity to be trained in the use of numerous laser and cosmetic procedures. He went on to open a solo practice in 2005. At that time, he joined the staff of both Lenox Hill Hospital and Mount Sinai School of Medicine. He is an attending dermatology consultant at Lenox Hill Hospital where he teaches medical residents and cares for hospital patients on a regular basis. Dr. Loucas also serves as an Assistant Clinical Professor of Dermatology at Mount Sinai, where he takes great pride and joy in educating the residents in clinics and lectures, and in 2010 was honored with the prestigious “Mentor of the Year” award.