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

Dr. Gregory Digiacomo, PHD

Individual provider Psychologist · NPI 1477993178

Dr. Gregory Digiacomo, PHD is a Psychologist in Smithtown, New York. Practices as a sole proprietor. Licensed in New York and Washington.

Licensed in
NY, WA
In the registry since
2013
Specialties on file
3
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 →

Practice location Address checks out

29 Abbot Rd
Smithtown, NY 11787-2322
Phone: (631) 793-9156
Show map & directions

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

Specialties & licences

School Psychologist (primary) Taxonomy 103TS0200X · Licence 749032131 (NY)
Psychologist Taxonomy 103T00000X · Licence 021801 (NY)
Psychologist Taxonomy 103T00000X · Licence PY60632239 (WA)

Record details

NPI number1477993178
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 27, 2013
Last updated in NPPESOctober 23, 2019

Other providers in Smithtown