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Catholic Health provides behavioral health care services throughout Long Island. Behavioral health treatment is designed to improve the life and well-being of those with a mental health condition, mental illness or substance abuse issue.

Our licensed professionals customize plans for specific situations and needs since treatment is different for each person. We take this patient-centered approach to ensure you get the care that is most appropriate.

    Our Services

    Not all services are offered at all Catholic Health locations.

    • Housing support
    • Medication management
    • Family counseling services
    • Stress management programs
    • Smoking cessation programs
    • Support groups
    • Neurological rehabilitation/disease care

    Mercy Hospital Behavioral Health Services

    Call 516-705-3400, ext.3230, for Central Intake information and scheduling.

    Mercy Hospital’s Outpatient Behavioral Health Services treat adults experiencing depression, anxiety, life transitions, family stressors and other psychiatric illnesses. Our caring staff consists of board-certified psychiatrists, psychiatric nurse practitioners, licensed clinical social workers, licensed mental health counselors, registered nurses and a licensed creative arts therapist. Primary care is provided by board-certified physicians in Behavioral Health Services, including internal medicine.

    We are recognized by the New York State Department of Health as the first integrated Behavioral Health Clinic in New York.

    Services include:

    • Comprehensive evaluation
    • Psychiatric medication management
    • Comprehensive individual therapy
    • Group and family counseling
    • Co-occurring disorders treatment
    • Medication administration
    • Crisis management
    • Primary medical care
    • Creative art therapy
    • Family support group
    • Discharge planning and case management

    Call 516-632-7980 for more information about Horizons PROS, or if you would like to request referral information.

    Mercy Hospital’s Horizons Personalized Recovery Oriented Services (PROS) program offers a comprehensive recovery-oriented program for individuals with a mental illness.

    The goal of the program is to integrate treatment, support and rehabilitation in a manner that facilitates an individual’s recovery. This is achieved in a collaborative process that includes the individual, the PROS staff and additional support and resources working together to develop an individualized action plan.

    At Horizons PROS, the individual is encouraged to make choices about his or her future and life roles. 

    Community Rehabilitation & Support (CRS)

    CRS services consist of activities, groups and services that are designed to engage and assist individuals in managing their illness and restoring those skills and supports necessary for living successfully in the community.

    CRS services include:

    • Wellness Self-Management
    • Basic Living Skills
    • Skill Development and Support
    • Individual Recovery Planning
    • Job Search Methods
    • Work Readiness Group
    • Applications and Resumes

    Intensive Rehabilitation (IR)

    The IR component is a customized package of rehabilitation and support services designed to assist an individual in reaching specific life goals such as a higher level of education, secure housing and employment. IR may also be used to provide targeted interventions to reduce the risk of hospitalization or involvement in the criminal justice system.

    IR services include:

    • Intensive Relapse Prevention
    • Intensive Rehabilitation Goal Acquisition

    Ongoing Rehabilitation Support (ORS)

    The ORS component provides support and advocacy to assist individuals in managing their symptoms in the competitive workplace.


    Clinical Treatment (CT)

    CT services are designed to provide a recovery-focused approach with medication management, health assessment, clinical counseling and therapy, all integrated with PROS rehabilitative service to provide comprehensive care.


    Mental Health Clinic Mercy Hospital’s Mental Health Clinic provides psychiatric evaluation, medication management, primary medical care and psychotherapy services. A variety of focused group therapy services including creative art therapy with an array of individual therapy modalities.

    An intensive, outpatient psychiatric treatment program designed to ease the transition following an inpatient psychiatric hospitalization or to avoid an admission. This program runs 5 days a week (Monday to Friday) for 4 hours a day.

    A lower-intensity psychiatric treatment program that offers a step-down level of care to further stabilize symptoms. This program runs 3 days a week (Monday/Wednesday/Friday) for 3 hours a day.

    Mercy Hospital's Family Counseling Services is a NYS-licensed, medically supervised adult chemical dependency program. Our goal is to improve the balance of physical, emotional, psychological and spiritual health that results in a fulfilled life.

    Outpatient substance use disorder treatment for adults who are dependent on opioids (heroin, fentanyl, prescribed narcotics) undergoing mild to moderate withdrawal.

    St. Catherine of Siena Hospital Behavioral Health Services

    Call 631-862-3000 for more information.

    St. Catherine of Siena Hospital offers services for adult patients in psychiatric crisis on a 24-hour basis. Psychiatrists provide consultation and liaison services when a patient is receiving medical treatment in the emergency department or in the hospital. Recent onset of psychiatric symptoms or acute exacerbation of chronic psychiatric problems are treated appropriately in concert with primary physicians on an ongoing basis.

    Amongst the largest inpatient psychiatric facilities in Suffolk County, St. Catherine’s Department of Psychiatry provides holistic, patient-centered care and advocacy services for adults aged 18 and older with a primary diagnosis of mental illness.

    Conditions treated include schizophrenia, and bi-polar and depressive disorder conditions. Referrals from St. Catherine’s emergency department are accepted 24 hours a day, seven days a week.

    Located at 127 West Main Street in Riverhead, NY.

    St. Catherine of Siena Personalized Recovery Oriented Services (PROS) is an intensive outpatient program licensed by the Office of Mental Health (OMH).

    Our PROS program is focused on treating individuals with mental health diagnoses in a structured environment. Program services include:

    • Clinical treatment
    • Community rehabilitation support
    • Intensive rehabilitation
    • Ongoing rehabilitation and support

    All services are provided by qualified professionals of our multidisciplinary team, including:

    • Psychiatrist
    • Registered nurse
    • Licensed mental health counselor
    • Licensed clinical social worker
    • Licensed master social worker
    • Credentialed alcohol and substance abuse counselor
    • Employment specialists

    Our onsite psychiatrist offers clinical treatment services for those needing medication management and symptom monitoring. Our registered nurse administers symptom monitoring. Our licensed professionals in the healing arts provide individual sessions.

    Community rehabilitation support services are implemented throughout daily group sessions that assist individuals in establishing strategies, developing skills, and implementing resources based on education provided by staff. Intensive rehabilitation services are recommended for individuals who want to dedicate more time and attention to one goal.  Co-occurring services focus on substance use disorders, with a mental health diagnosis being primary.

    Ongoing rehabilitative services are provided to individuals for support in maintaining successful employment. 

    Individuals can participate in weekly community outings, local job fairs and seasonal trips.

    Our PROS program prides itself on promoting mental health diversity, increasing community inclusion, and assisting in meeting social determinants of health for all participants.  

    Behavioral Health Locations

    Mercy Hospital exterior

    Mercy Hospital

    Rockville Centre, NY Hospital

    good samaritan hospital exterior

    Good Samaritan University Hospital

    West Islip, NY Hospital

    St. Catherine of Siena exterior

    St. Catherine of Siena Hospital

    Smithtown, NY Hospital

    St. Charles Hospital exterior

    St. Charles Hospital

    Port Jefferson, NY Hospital

    St. Francis Hospital exterior

    St. Francis Hospital & Heart Center®

    Roslyn, NY Hospital Heart Center

    St. Joseph Hospital exterior

    St. Joseph Hospital

    Bethpage, NY Hospital

    Catholic Health Home Care

    Catholic Health Home Care

    Farmingdale, NY Continuing Care

    Good Shepherd Hospice

    Good Shepherd Hospice

    Farmingdale, NY Continuing Care

    Suicide Prevention Resources


    988 connects the public to mental health crisis counselors who are part of the National Suicide Prevention Lifeline network. Call, text or chat 988 when you need emotional support, are thinking about suicide or are worried about a friend or loved one. 
    Crisis counselors provide support and connect you to resources if necessary. 

    National Suicide Prevention Lifeline:

    800-273-TALK (800-273-8255)

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