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

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Practice location Address checks out

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

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