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

Gregory Williams, LCSW

Individual provider Clinical Social Worker · NPI 1275158099

Gregory Williams, LCSW is a Clinical Social Worker in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2020
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

2260 N Elston Ave
Chicago, IL 60614-2930
Phone: (773) 772-2450
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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 149.011556 (IL)

Record details

NPI number1275158099
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJune 9, 2020
Last updated in NPPESJune 9, 2020
Certification dateJune 9, 2020

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