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

Mr. William John Gilliand, LCSW

Individual provider Clinical Social Worker · NPI 1841324589

Mr. William John Gilliand, LCSW is a Clinical Social Worker in East Hartland, Connecticut. Practices as a sole proprietor. Licensed in Connecticut and Massachusetts.

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

28 Rengerman Hill Rd
East Hartland, CT 06027-1606
Phone: (860) 653-3932
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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 005675 (CT)
Clinical Social Worker Taxonomy 1041C0700X · Licence 111783 (MA)

Record details

NPI number1841324589
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 15, 2007
Last updated in NPPESJuly 8, 2007