Dr. Melvin Portnoy, DDS, is a dedicated dentistry practitioner located in Islandia, NY. A graduate of the prestigious University of Pennsylvania, Dr. Portnoy specializes in a wide range of dental services including primary dental care, cosmetic dentistry, and advanced surgical procedures. With a focus on dental implants, orthodontics, and comprehensive care for both adults and children, she is committed to improving patients' oral health and aesthetics. Dr....