Dr. Jon Jason Marrelli, PhD, is a distinguished clinical psychologist based in Brooklyn, NY, with a specialization in both Psychology and Clinical Psychology. He is highly experienced in treating a wide range of mental health issues including Adjustment Disorder, Anxiety Disorders, Attention Deficit Disorder in Adults, Bipolar Disorder, Depression, Generalized Anxiety Disorder, Obsessive Compulsive Disorder, Panic Disorder, Schizophrenia, and Social Anxiety Disorder. Dr....