Mountainside Huntington is an outpatient addiction treatment center on Long Island for people who need support while maintaining daily life. Flexible scheduling helps you fit care around work, school, and family. Services include IOP, OP, and individual therapy, plus recovery coaching for goals and accountability. We also offer adolescent care and family wellness support to strengthen communication, boundaries, and the full support system. Medication-assisted treatment may be available when appropriate, including options like Suboxone, Sublocade, and Vivitrol. As part of Mountainside outpatient services, telehealth and free support groups help you stay connected across Suffolk and Nassau County.