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

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.

See every abbreviation used in this directory →

Practice location Address checks out

17 Sherwood Pl
Greenwich, CT 06830-5606
Phone: (203) 861-4173
Fax: (203) 552-1665
Show map & directions

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

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