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

William Harrison, PHD

Individual provider Clinical Psychologist · NPI 1528284569

William Harrison, PHD is a Clinical Psychologist in Irvington, New York. Licensed in New York. Registered with an NPI since 2007.

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.

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Practice location Address checks out

100 N Broadway
Irvington, NY 10533-1254
Phone: (914) 591-7300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 019306 (NY)

Record details

NPI number1528284569
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedApril 18, 2007
Last updated in NPPESDecember 20, 2013
Mailing address100 N Broadway, Irvington, NY 10533-1254

Other providers in Irvington