Are you struggling with…
- Constant overthinking or second-guessing?
- Anxiety that doesn’t shut off?
- Perfectionism that leads to burnout?
- Feeling tense, irritable, or mentally exhausted?
- Knowing what makes sense logically, but still feeling stuck?
Most of my client’s are highly capable, insightful, and high-functioning individuals.
They just get stuck in rigid beliefs about themselves, their performance, and self worth. They are looking for therapy that is practical, actionable, and genuine.
Located in Centereach, NY. Serving individuals and families in Suffolk County & Long Island.
Licensed in New York State: 085908
Available for in-person and virtual sessions.
If you’re ready to approach anxiety and stress differently. Schedule a consultation

Meet David Zerella, LCSW
David Zerella is a Licensed Clinical Social Worker with over a decade of experience providing psychotherapy in private practice. He specializes in evidence-based treatments including Cognitive Behavioral Therapy (CBT) and Rational Emotive Behavior Therapy (REBT). David Zerella, LCSW provides CBT therapy on Long Island, NY
Licensed Clinical Social Worker (New York State)
MSW, Stony Brook University
10 years+ experience in private practice
15+ years of clinical mental health experience
David integrates evidence-based psychological treatment with a strength-based social work perspective. He considers environmental, relational, and societal factors that impact emotional well-being. David specializes in treating anxiety & overthinking for adolescence, young adults, adults, and families on Long Island
Rational Psychotherapy specializes in:
Anxiety
Perfectionism
Overthinking
Obsessive Thinking
Self Esteem
Sports/Performance Anxiety
Depression
Men’s Issues
Divorce
Relationship Struggles
Anger Management
Stress Reduction
Fatherhood/Parenting
Co-parenting
Thought Disturbances





