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

Dr. John Wallace, PHD

Individual provider Psychologist · NPI 1841483047

Dr. John Wallace, PHD is a Psychologist in Harrison, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
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

275 N St
Harrison, NY 10528-1524
Phone: (914) 337-6033
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 005179-1 (NY)

Record details

NPI number1841483047
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 21, 2007
Last updated in NPPESAugust 21, 2007
Mailing address275 North St, Harrison, NY 10528-1524

Other providers in Harrison