Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Katelyn Marie Andrysiak-Begert, BCBA

Individual provider Behavior Analyst · NPI 1609535509

Mrs. Katelyn Marie Andrysiak-Begert, BCBA is a Behavior Analyst in Chicago, Illinois. Practices as a sole proprietor. Registered with an NPI since 2021.

In the registry since
2021
What do these letters mean?
BCBA — Board Certified Behavior Analyst
Designs and supervises applied behaviour analysis programmes, often for autism.

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Practice location Address checks out

8609 W Bryn Mawr Ave Ste 204 Ste 204
Chicago, IL 60631-3524
Phone: (773) 644-7787
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X

Record details

NPI number1609535509
Entity typeIndividual (Type 1)
GenderFemale
Credentials BCBA
Sole proprietorYes
NPI enumeratedDecember 8, 2021
Last updated in NPPESFebruary 19, 2026
Certification dateFebruary 19, 2026

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