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

Walter Leighton Clark, LCSW

Individual provider Clinical Social Worker · NPI 1730301318

Walter Leighton Clark, LCSW is a Clinical Social Worker in Arlington Heights, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
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

1845 E Rand Rd Ste 106
Arlington Heights, IL 60004-4356
Phone: (847) 259-3555
Fax: (847) 259-5124
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X (IL)

Record details

NPI number1730301318
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMay 3, 2007
Last updated in NPPESJuly 8, 2007

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