Addiction Treatment Centers in Nassau County, New York
60 verified treatment centers near Nassau County
- Verified & accredited centers
- Confidential & free
- 24/7 support available
Nassau County is one of the counties that make up New York, and the treatment options here range from local outpatient care to residential programs a short drive away. Below you can see the verified centers nearest to Nassau County, browse by the 131 cities and towns we cover in the county, and jump to neighboring counties. Licensing and insurance are governed at the state level, so our New York addiction treatment directory explains how to verify a provider and how care is paid for across the state.
Treatment Centers Near Nassau County
Verified facilities offering evidence-based treatment, closest first.
Long Island Treatment Center
Hicksville, New York 5.6 mi
Joint Commission accredited
Private Insurance
Seafield – Outpatient
Manhasset, New York 5.6 mi
Accepts 5 insurance plans
SAIL – South Shore Association for Independent Living
Baldwin, New York 5.6 mi
Accepts 5 insurance plans
South Shore Association – Community Treatment
Baldwin, New York 5.6 mi
Medicaid
Rockville Center Drug and Alcohol Abuse – Outpatient
Rockville Centre, New York 5.6 mi
Financial Aid
New Pathway Counseling – Outpatient
Hicksville, New York 5.7 mi
Family and Childrens Association
Hicksville, New York 5.8 mi
Accepts 12 insurance plans
Integrity Treatment Partners
Baldwin, New York 6 mi
Accepts 8 insurance plans
South Nassau Communities Hospital – Mental Health
Baldwin, New York 6.1 mi
Accepts 5 insurance plans
COPAY
Great Neck, New York 6.1 mi
Accepts 5 insurance plans
South Nassau Communities Hospital – Inpatient
Oceanside, New York 6.2 mi
Accepts 5 insurance plans
HELP Services
Freeport, New York 6.3 mi
Accepts 5 insurance plans
Mercy Hall
Freeport, New York 6.4 mi
Medicaid
Friends of Bridge – Outpatient
Valley Stream, New York 6.5 mi
Financial Aid
South Shore Child Guidance Center – C.A.R.E. Center
Freeport, New York 6.6 mi
Financial Aid
Southeast Nassau Guidance Center
Levittown, New York 6.6 mi
Medicaid
ACT Team
Queens Village, New York 6.7 mi
Medicaid
Central Nassau Guidance and Counseling Services, Inc.
Hicksville, New York 6.7 mi
State License accredited
Accepts 5 insurance plans
New Horizon Counseling Center
Valley Stream, New York 6.8 mi
Financial Aid
Oceanside Counseling Center
Oceanside, New York 6.8 mi
Accepts 5 insurance plans
Northport VA – Valley Stream Clinic
Valley Stream, New York 6.8 mi
Joint Commission accredited
Financial Aid
Maryhaven Center of Hope – New Hope
Freeport, New York 7 mi
Financial Aid
Port Counseling Center
Port Washington, New York 7.1 mi
Accepts 12 insurance plans
KPC
Syosset, New York 7.2 mi
Accepts 12 insurance plans
Bridge Back to Life Center
Bethpage, New York 7.3 mi
Financial Aid
People Counseling Agency – BADA
Bethpage, New York 7.5 mi
Self-Pay Options
Southeast Nassau Guidance Center
Wantagh, New York 7.8 mi
Accepts 5 insurance plans
Cities & Towns in Nassau County
Every community we cover in Nassau County, New York — each links to its local treatment centers.
In crisis? If you or someone you love is in immediate danger, call 911. For free, confidential support any time, call or text 988 (the Suicide & Crisis Lifeline), or reach the SAMHSA National Helpline at 1-800-662-HELP. Addiction Treatment Services is an informational directory and helpline, not an emergency service or medical provider.
Treatment in Nassau County — FAQ
Start with the list of verified centers above, which are ordered by distance from Nassau County, or browse by your specific city or town in the county. For a personalized recommendation that fits your insurance and the level of care you need, call our free, confidential 24/7 helpline and a specialist will help you compare options across New York.
Across Nassau County and the surrounding area you can generally find the full continuum of care: medically supervised detox, residential/inpatient treatment, partial hospitalization (PHP), intensive outpatient (IOP), standard outpatient, and dual-diagnosis care for co-occurring mental health conditions. Metropolitan areas usually offer a wider range, while rural communities often rely on outpatient providers and telehealth.
Most plans cover substance use treatment as an essential health benefit, and New York administers its own Medicaid program, which is the largest single payer for addiction treatment. No-cost and reduced-cost options also exist through state-funded programs and federally qualified health centers. Our helpline can verify your benefits for free.