# Gregory I. Mack, PhD > Gregory I. Mack, PhD - Specializes in treating first responders & communities of color! ## Pages - [Home](https://drgimack.org/home) - [Forensic and Clinical Psychologist - Dr. Gregory I. Mack, Ph.D.](https://drgimack.org/bio) - [Dr. Gregory I. Mack, Ph.D. - Therapy Online, Ptsd Treatment](https://drgimack.org/services) - [Licensed Clinical Psychologist - Yorktown Heights, New York](https://drgimack.org/contact-us) - [Trauma Informed Policing](https://drgimack.org/trauma-informed-policing) ## Contact Location: 220 US Route 6, Mahopac, New York 10541, United States Email: info@drgimack.com Phone: (845) 282-3367 ## Social Media - [Facebook](https://www.facebook.com/111638380601203) - [Twitter](https://www.x.com/drgimack795)