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

Dr. William M Hay, PHD

Individual provider Psychologist · NPI 1477066215

Dr. William M Hay, PHD is a Psychologist in Princeton, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2017
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

344 Nassau St Ste 101
Princeton, NJ 08540-4622
Phone: (609) 924-0880
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 35SI00141100 (NJ)

Record details

NPI number1477066215
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 15, 2017
Last updated in NPPESNovember 15, 2017

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