After receiving his doctorate, he completed a two year postdoctoral fellowship at Columbia University, where he was the project director on a national study on teen behavior. Dr. Kaplan also has extensive experience in conducting both inpatient and outpatient psychotherapy with children, adolescents, families, and adults who are experiencing difficulties with mood, behavior, and interpersonal relationships. He is intensively trained in Dialectical Behavior Therapy. Phone: 201-670-6450 x2