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

William Sullivan, LCSW

Individual provider Clinical Social Worker · NPI 1710742804

William Sullivan, LCSW is a Clinical Social Worker in Woburn, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2024
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

12 Alfred St Ste 200
Woburn, MA 01801-1915
Phone: (781) 551-0999
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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 229247 (MA)

Record details

NPI number1710742804
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedFebruary 16, 2024
Last updated in NPPESFebruary 21, 2024
Certification dateFebruary 21, 2024
Mailing address42 Rutledge Rd, Belmont, MA 02478-3323

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