PO Box 533, Shrub Oak, NY 10588

Phone: 845-282-3367

Gregory I. Mack, Ph.D. :

Clinical, Police, & Forensic Psychological Services PLLC

Is your job in jeopardy?

Are you stressed out or depressed?

Do you have relationship or family problems?

Don't Suffer In Silence.... There is help!

Gregory Irving Mack, Ph.D. is a New York State licensed Clinical Psychologist and a retired NYPD Detective Psychologist with an independent practice in Westchester County. I provide treatment for a variety of disorders and have more than 19 years of experience dealing with issues that disrupt and destroy lives. I specialize in services for public safety personnel and provide forensic consultancy services as well.

Get help now before it is too late!


To arrange an appointment

Call (845) 282-3367


Email: info@drgimack.com


Appeal your Psychological Disqualification!


Individual, Couples, & Family Psychotherapy Trauma-Focused Group Psychotherapy for Public Safety Personnel


Pre-employment Evaluations, Psychotherapy, Critical Incident Stress Debriefing


Forensic Case Consultancy, Psychological Disqualification Appeal Evaluations, Disability Claims, Independent Medical Exams, Fitness-for Duty Evaluations, Dangerousness Assessments



I am currently an active Provider in the Value Options' commercial and Medicare Advantage networks as well as the CHCS IPA, Inc. (CHCS) network. I accept Emblem Health benefits offered by GHI HMO Select, Inc. and Health Plan of greater New York (HIP), HIP Insurance Company of New York, and commercial HMO/POS/EPO plans, Medicare Advantage HMO plans, and New York. Medicaid/Family Health Plus/SCHIP plans.


Based on two decades of law enforcement experience, my practice emphasizes providing objective and timely evaluations for Public Safety Agencies, Officers, and Candidates looking to Appeal their Psychological Disqualification. We adhere to the guidelines established by the APA and the recommendations of the Police Psychological Services Section of the International Association of Chiefs of Police.

Authorized by New York State Workers' Compensation Board to provide treatment and Independent Medical Examinations


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GREGORY I. MACK, PH.D.:CLINICAL, POLICE, & FORENSIC PSYCHOLOGICAL SERVICES PLLC is a Professional Limited Liability Company registered with the New York State Department of State. 

National Provider Identifier available @ HIPAAspace site

Mailing Address: PO Box 533, Shrub Oak, NY 10588

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