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
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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
Mailing address29 Abbot Rd, Smithtown, NY 11787-2322

Other providers in Smithtown