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

Dr. William Henry Hartwig, PHD

Individual provider Clinical Neuropsychologist · NPI 1770502346

Dr. William Henry Hartwig, PHD is a Clinical Neuropsychologist in Poughkeepsie, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
Specialties on file
2
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

12 Davis Ave
Poughkeepsie, NY 12603-2408
Phone: (845) 471-8175
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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 006984 (NY)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence 006984 (NY)

Record details

NPI number1770502346
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 18, 2006
Last updated in NPPESJuly 24, 2017

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