Mather Hospital offers a range of inpatient and outpatient behavioral health services for both adolescents and adults. It is one of few hospitals on Long Island that provides these services, and is the only acute care hospital in Suffolk County with an adolescent psychiatric unit and adolescent partial hospitalization program. The services include inpatient adult and adolescent psychiatric units, adult and adolescent partial hospitalization programs, a mental health clinic, eating disorders program, and chemical dependency program. Staff includes psychiatrists, nurses, social workers, and substance abuse counselors. To learn more about the programs, contact the behavioral health services numbers provided.