About
They specialize in individual and family therapy, and specialized diagnostic and psycho-educational evaluations. Their Licensed clinical and school psychologists offer evidence-based treatment for children, adolescents, adults, couples, and families in both Nassau and Suffolk County. They offer flexible appointment times with day and evening hours for therapy and assessment. Cornerstone Developmental Psychology also offers comprehensive evaluations for OPWDD eligibility and legal guardianship.
Insurance & payment
Cornerstone Developmental Psychology accepts BlueCross and BlueShield, Carelon Behavioral Health, Empire Blue Cross Blue Shield, Medicare, Oxford, UnitedHealthcare UHC | UBH, and Out of Network insurance plans.
- Blue Cross Blue Shield
- Carelon Behavioral Health
- Medicare
- UnitedHealthcare
- Out of network
Ask about sliding-scale fees if you're paying out of pocket.
Services & specialties
Individual Therapy
Cornerstone Developmental Psychology offers individual therapy for children, adolescents, adults, and families.
Family Therapy
They specialize in family therapy to address various issues and concerns.
Diagnostic and Psycho-Educational Evaluations
Their Licensed clinical and school psychologists offer specialized diagnostic and psycho-educational evaluations.
Cognitive Behavior Therapy
Cornerstone Developmental Psychology offers Cognitive Behavior Therapy for various issues and concerns.
Marriage Therapy
They offer marriage therapy to address relationship concerns and marital issues.
Parent/Caregiver Training
Cornerstone Developmental Psychology provides parent/caregiver training to support families and caregivers.