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

Mr. William James Quinn, MSSW

Individual provider Clinical Social Worker · NPI 1053446831

Mr. William James Quinn, MSSW is a Clinical Social Worker in Greenwich, Connecticut. Licensed in Connecticut and New York. Registered with an NPI since 2007.

Licensed in
CT, NY
In the registry since
2007
Specialties on file
2

Practice location Address checks out

200 Railroad Ave
Greenwich, CT 06830-0000
Phone: (203) 869-3337
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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 000254 (CT)
Clinical Social Worker Taxonomy 1041C0700X · Licence R015749 (NY)

Record details

NPI number1053446831
Entity typeIndividual (Type 1)
GenderMale
Credentials MSSW
Sole proprietorNo
NPI enumeratedFebruary 22, 2007
Last updated in NPPESAugust 9, 2026

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