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

William H. Hartwig, Ph D , PC

Organization Clinical Neuropsychologist · NPI 1922249325

William H. Hartwig, Ph D , PC is a Clinical Neuropsychologist in Poughkeepsie, New York. Licensed in New York. Registered with an NPI since 2009.

Licensed in
NY
In the registry since
2009
Specialties on file
2
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

12 Davis Avenue Vassar Professional Bldg 2 N
Poughkeepsie, NY 12603-2408
Phone: (845) 471-8175
Fax: (845) 471-0139
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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 number1922249325
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Hartwig — President · (845) 297-6618
NPI enumeratedMarch 13, 2009
Last updated in NPPESApril 24, 2009
Mailing address1 Glen Brook Ct, Wappingers Falls, NY 12590-1832

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