PO Box 533, Shrub Oak, NY 10588

Phone: 845-282-3367

Gregory I. Mack, Ph.D. :

Clinical, Police, & Forensic Psychological Services PLLC


In order to clarify your diagnosis or determine the level of your cognitive and or emotional functioning, I may need to perform psychological testing or a psychological assessment. Psychological testing usually involves administering a short measure while psychological assessment  is a more complex, detailed, in-depth examination.


Fitness for Duty Evaluations

Critical Incident Stress Debriefings  

Pre-employment Psychological Disqualification Evaluations








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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