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75 North Country Road, Port Jefferson, NY 11777 • 631.473.1320

Psychiatric Partial Hospitalization Program For Adults

Psychiatric Partial Hospitalization Provides:

An outpatient treatment intervention designed to further stabilize acute symptoms of mental illness.

An individualized treatment plan coordinated with the client, family, and referring physician or agency.

A supportive environment created by a full-time professional staff dedicated to maintaining and enhancing the independent functioning of each client.

A structured schedule individualized to the specific treatment needs of each client, ranging from a full-day program, Monday through Friday, to Intensive Outpatient. Duration of treatment is from two to six weeks.

A schedule of groups designed to improve coping skills, increase ability to manage psychiatric symptoms, improve understanding of mental and emotional illness, and increase knowledge of psychiatric medications.

Crisis coverage, 24 hours a day, 7 days a week, by a member of the professional staff.

Our Staff Includes

  • Psychiatrists
  • Social Workers
  • Psychiatric Nurse Practitioners

Our Staff Provides

  • Health Screening & Referral
  • Biopsychosocial Evaluation
  • Psychiatric Evaluation
  • Crisis Intervention
  • Individual Therapy
  • Group Psychotherapy
  • Medication Therapy
  • Medication/Illness Education
  • Psychoeducational Groups
  • Discharge Planning
  • Family Therapy
  • Case Management
  • Stress Management

Continuum of Care

The Partial Hospitalization Program is part of a continuum of services at John T. Mather Memorial Hospital which includes: a 27 bed inpatient adult psychiatric unit; an eating disorder program and outpatient psychiatric services.

This continuum enables Mather Hospital to provide the most appropriate level of care indicated for each patient’s treatment.

Continuum of Mental Health Treatment

Who's Eligible

A client may be eligible for Adult Partial Hospitalization if he/she:

  • Is an adult 18 years or older
  • Has a primary psychiatric diagnosis with acute symptoms
  • Is agreeable to participating in the program
  • Is ambulatory and physically able to participate
  • Can maintain adequate impulse control in order to effectively participate
  • Currently resides in a safe, secure supportive residence
  • Is not a danger to him/herself or others

A Supportive Ambulatory Setting

  • Mon.-Fri. 9:00 a.m.-3:00 p.m.
  • Capacity for 25 adults
  • Coordinated transportation
  • Accepts most insurance plans, including Medicaid and Medicare


For further information, or to make a referral call: (631) 473-3877 ext. 26

An interview will be scheduled within forty-eight hours for an initial evaluation.

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