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

Olga Joanna Mazur, LCSW

Individual provider Clinical Social Worker · NPI 1518635713

Olga Joanna Mazur, LCSW is a Clinical Social Worker in Buffalo Grove, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2021
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

759 Trace Dr Apt 204
Buffalo Grove, IL 60089-8308
Phone: (224) 595-5056
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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 049.017558 (IL)

Record details

NPI number1518635713
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedSeptember 1, 2021
Last updated in NPPESSeptember 1, 2021
Certification dateSeptember 1, 2021

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