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

Individual provider Mental Health Counselor · NPI 1861804775

Dr. Yolanda Olszewski, PSYD is a Mental Health Counselor in Warrenville, Illinois. Practices as a sole proprietor. Registered with an NPI since 2014.

In the registry since
2014
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

2S335 Williams Rd
Warrenville, IL 60555-3977
Phone: (312) 560-1451
Fax: (484) 297-0628
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1861804775
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedMay 27, 2014
Last updated in NPPESJanuary 6, 2017
Mailing address28379 Davis Pkwy, Suite 801, Warrenville, IL 60555-3032

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