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

John Mayes, LCSW

Individual provider Clinical Social Worker · NPI 1740939792

John Mayes, 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
2022
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

618 S Euclid Ave
Oak Park, IL 60304-1204
Phone: (312) 354-0070
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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 149004470 (IL)

Record details

NPI number1740939792
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 18, 2022
Last updated in NPPESMarch 18, 2022
Certification dateMarch 18, 2022
Mailing address618 S Euclid Ave, Oak Park, IL 60304-1204

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