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

Dr. Gregory A Thompson, PHD

Individual provider Psychologist · NPI 1275805590

Dr. Gregory A Thompson, PHD is a Psychologist in Melville, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2012
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

555 Broadhollow Rd Ste 327
Melville, NY 11747-5078
Phone: (631) 579-1700
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

Psychologist (primary) Taxonomy 103T00000X · Licence 021008-1 (NY)

Record details

NPI number1275805590
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 1, 2012
Last updated in NPPESDecember 18, 2014
Mailing address555 Broadhollow Rd, Suite 327, Melville, NY 11747-5078

Other providers in Melville