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

MS. Crystal Williams, LCSW

Individual provider Clinical Social Worker · NPI 1164973343

MS. Crystal Williams, LCSW is a Clinical Social Worker in Oak Park, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2016
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

6601 N Ave
Oak Park, IL 60302-1005
Phone: (773) 245-0010
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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 149.018421 (IL)

Record details

NPI number1164973343
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedOctober 22, 2016
Last updated in NPPESApril 11, 2017
Mailing address1618 S 13th Ave, Maywood, IL 60153-1833

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