Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Mark Trevelyan Grey, PHD

Individual provider Clinical Psychologist · NPI 1487677266

Dr. Mark Trevelyan Grey, PHD is a Clinical Psychologist in Rochester, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

980 Westfall Rd Ste 125
Rochester, NY 14618-2605
Phone: (585) 292-6630
Fax: (585) 292-9720
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 7583 (NY)

Record details

NPI number1487677266
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 25, 2006
Last updated in NPPESJuly 8, 2007

Other providers in Rochester