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

William Riley, LICSW

Individual provider Clinical Social Worker · NPI 1598121584

William Riley, LICSW is a Clinical Social Worker in Lexington, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2016
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

See every abbreviation used in this directory →

Practice location Address checks out

1040 Waltham St
Lexington, MA 02421-8033
Phone: (781) 761-5136
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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 1026450 (MA)

Record details

NPI number1598121584
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorYes
NPI enumeratedJanuary 7, 2016
Last updated in NPPESJanuary 7, 2016
Mailing address1040 Waltham St, Lexington, MA 02421-8033

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