Your Path to Happiness: Experienced Psychologists in Hewlett, NY

Marc J. Diener, Ph. D. is a New York State Licensed Psychologist specializing in individual therapy and psychological testing. He offers services in treating depression, anxiety, relationship difficulties, and substance use. He also provides psychological testing for learning disorders, attention-deficit/hyperactivity disorders (ADHD), and diagnostic clarification. Dr. Diener is a Full Professor in the Clinical Psychology Doctoral Program at Long Island University-Post, where he supervises the clinical work of doctoral students.