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

Individual provider Clinical Social Worker · NPI 1124176276

Dr. William Hartman, PHD is a Clinical Social Worker in Greenwich, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

Licensed in
CT
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

17 Sherwood Pl
Greenwich, CT 06830-5606
Phone: (203) 861-4173
Fax: (203) 552-1665
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 002933 (CT)

Record details

NPI number1124176276
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 8, 2007
Last updated in NPPESJuly 8, 2007
Mailing address1056 Clay Ave, Pelham, NY 10803-3203

Other providers in Greenwich