Southeast Nassau Guidance_91815745

South East Nassau Guidance Center (Seaford)
2145 Jackson Avenue
Seaford, NY 11783

Programs and Services:
Adolescent Services
Aftercare Planning
Alcohol Treatment
Anger Management
Co-Existing Mental Health Disorders
Couple Therapy
Crisis Intervention
Drug & Alcohol Testing (Breathalyzing, Oral, Urinalysis)
Drug Treatment
Dual Diagnosis  MICA (Mentally Ill Chemical Abuser)
DWI Evaluation/Treatment
Early Recovery Group
Family Counseling
Group Counseling
Individual Counseling
Intensive Outpatient Programs
Marital Counseling
Medication Management
Men’s Group
Outpatient Treatment
Outreach Services
Parenting Group
Psychiatric Evaluations
Recovery Group
Relapse Prevention Services
Significant Other Counseling
Speakers Bureau
Stress Management Counseling
Substance Abuse Treatment
Tobacco Cessation
Vocational Services
Women’s Group

Phone: 516-221-3030
Fax: 516-221-1013

Contact Person: Rita Maniscalco


Wheelchair Accessible: Yes
Languages Spoken: English

Hours/Days of Operation: M-W 9am-9pm, Th-Sat 9am-4:30pm

Additional Info:
Chemical Dependency Outpatient and Mental Health Outpatient

SNG’s outpatient mental health clinic serves people 18 years and older, of all backgrounds, who come for help around many different problems, including:

  • Anxiety
  • Stress
  • Depression
  • Family and marital problems
  • Loss and bereavement
  • Suicidal thoughts
  • Social difficulties
  • Fears and phobias
  • Coping with schizophrenia and other mental illnesses
  • Co-occurring disorders

SNG also offers the follow services:

  • Assessment and treatment planning
  • Verbal therapy – individual, group, family
  • Medication therapy
  • Co-occurring disorder treatment
  • Medication management
  • Crisis intervention
  • Intensive Outpatient Program (IOP)

Intensive Outpatient Program
The IOP offers Intensive Group Pyschoterapy, Individual Therapy, Psycho-Education Group, Family Treatment and Medical Management services, three hours per day on Mondays, Wednesdays, and Thursdays.

SNG Seaford Chemical Dependency Program

2145 Jackson Avenue
Seaford, NY 11783

Phone: 516-679-9800
Fax: 516-679-8087

Hours/Days of Operation: M-Th 9am-9:30pm, F 9am-5pm

Our Seaford location provides outpatient substance abuse counseling, education and treatment services to individuals and their families, including:

  • Individual, group, couples and family therapy
  • DWI court assessment and treatment
  • Crisis intervention
  • Education series for adults
  • Vocational counseling
  • Psychiatric and addiction medication treatment
  • Services for significant other and parents
  • Groups focused on anger management, co-occurring disorder, relapse prevention, and health and wellness


South East Nassau Guidance Center (Seaford)
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