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

Dr. George L Colnaghi, PHD

Individual provider Psychologist · NPI 1578786711

Dr. George L Colnaghi, PHD is a Psychologist in Princeton, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2007
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

52 Jefferson Rd
Princeton, NJ 08540-3301
Phone: (609) 452-1110
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 35SI00246400 (NJ)

Record details

NPI number1578786711
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 10, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Princeton