Zachary K. Blumkin, PsyD, ABPP Expert Witness
Curriculum Vitae

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Specialties & Experience of this Expert Witness

General Specialties:

Psychology and Pediatric Psychiatry

Keywords/Search Terms:

Suicide & Suicide Prevention, Self-Harm, Evidence Based Practice, Child & Adolescent Psychology, Internalizing Disorders, Externalizing Disorders, Quality Assessment, Psychotherapy, Medical Decision Making, Parenting, Abuse & Maltreatment, Education Injuries, IEP, School Districts


PsyD, William James College; BA, University of Colorado Boulder

Years in Practice:


Number of Times Deposed/Testified in Last 4 Yrs:


Additional Information

Dr. Zachary K. Blumkin is a licensed psychologist and the Senior Clinical Director of the Psychiatry Faculty Practice Organization at Columbia University Irving Medical Center (CUIMC) in Manhattan and Westchester, NY. He is an Assistant Professor of Medical Psychology (in Psychiatry) at Columbia University Irving Medical Center, Columbia University, New York, NY. He is also an Assistant Professional Psychologist, at New York-Presbyterian Hospital and Children's Hospital of New York-Presbyterian in New York, NY. Dr. Blumkin is board certified in Clinical Psychology through the American Board of Professional Psychology and is also a DBT-LBC (Dialectical Behavior Therapy -Linehan Board of Certification) certified clinician. Dr. Blumkin specializes in working with children, adolescents, young adults, and adults. In addition to individual and group therapy, Dr. Blumkin works with families, parents, and couples. Dr. Blumkin is trained in numerous evidence-based treatment approaches and has a wide range of experience spanning both externalizing and internalizing disorders. He has significant experience navigating all levels of the education system, addressing family issues, and teaching parenting skills. Dr. Blumkin received his B.A. from the University of Colorado in Boulder, Colorado with a major in psychology. He received his doctorate from the William James College with specializations in Health Psychology and Latino Mental Health. Dr. Blumkin completed his clinical internship and postdoctoral fellowship at Children's Hospital of New York-Presbyterian/Columbia University Irving Medical Center (CHONY/CUIMC). After completing his training, Dr. Blumkin was on staff at CHONY/CUIMC where he coordinated group programs, the ADHD clinic, and the adolescent DBT program. While on staff at CHONY/CUIMC, he supervised both medical/psychiatry students and doctoral level psychology students. In addition to his clinical and administrative roles, Dr. Blumkin is invited monthly to speak on various topics related to clinical psychology. He is a member of Quality and Patient Safety Committee and Clinical Leadership Committee within the Department of Psychiatry at CUIMC as well as the Digital Health Executive Committee at CUIMC. Dr. Blumkin also works with medical students and lawyers in the Columbia P&S Asylum Clinic and Columbia P&S Human Rights Initiative.