Greystone Park Psychiatric Hospital

Greystone Park Psychiatric Hospital in Morris Plains, New Jersey is a state-operated inpatient psychiatric hospital providing comprehensive behavioral health treatment for adults and seniors across Northern New Jersey. As a 506-bed public psychiatric facility under the New Jersey Department of Health, Greystone delivers structured, patient-centered care in a secure hospital setting. Individuals are typically admitted following stabilization at short-term care facilities and receive continued inpatient psychiatric treatment focused on safety, clinical stabilization, and long-term recovery.

Treatment at Greystone Park Psychiatric Hospital is grounded in evidence-based and recovery-oriented practices tailored to each patient’s strengths, needs, and preferences. Services include therapeutic group programming, vocational rehabilitation, activity-based therapies, academic education for eligible younger adults, and specialized substance use recovery programming for individuals with co-occurring disorders. Discharge planning begins at admission, with multidisciplinary teams coordinating appropriate housing, community placement, and aftercare services to support successful reintegration. With a longstanding history dating back to 1876 and a modern facility opened in 2008, Greystone remains a central provider of inpatient psychiatric services for the State of New Jersey.