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

Individual provider Behavior Technician · NPI 1801586557

Iwona Zwijacz, RBT is a Behavior Technician in Chicago, Illinois. Practices as a sole proprietor. Registered with an NPI since 2023.

In the registry since
2023
What do these letters mean?
RBT — Registered Behavior Technician
Delivers behaviour therapy under a behaviour analyst's supervision.

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Practice location Address checks out

332 S Michigan Ave Ste 900
Chicago, IL 60604-4393
Phone: (855) 832-6727
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Technician (primary) Taxonomy 106S00000X

Record details

NPI number1801586557
Entity typeIndividual (Type 1)
GenderFemale
Credentials RBT
Sole proprietorYes
NPI enumeratedMay 8, 2023
Last updated in NPPESMay 8, 2023
Certification dateMay 8, 2023

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