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MRS. KATELYN MARIE ANDRYSIAK-BEGERT BCBA
NPI 1609535509
Behavior Analyst in Chicago, IL

Active since December 08, 2021
8609 W BRYN MAWR AVE STE 204, STE 204, CHICAGO, IL 60631(773) 644-7787 Get Directions Write a Review

NPPES record last updated: February 19, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mrs. Katelyn Marie Andrysiak-begert Bcba NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. KATELYN MARIE ANDRYSIAK-BEGERT BCBA (NPI 1609535509) is an individual behavior analyst provider in Chicago, Illinois and active in the NPI registry since December 2021.

NPPES Registry Identity

NPI1609535509
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameMRS. KATELYN MARIE ANDRYSIAK-BEGERTCredential: BCBA
Location Address8609 W BRYN MAWR AVE STE 204, STE 204Chicago, IL 60631-3524
Mailing Address8609 W Bryn Mawr Ave Ste 204, Ste 204Chicago, IL 60631-3524 · (773) 644-7787
Phone(773) 644-7787
Sole ProprietorYes
Enumeration DateDecember 8, 2021
Last NPPES UpdateFebruary 19, 2026
NPPES CertifiedFebruary 19, 2026
✔ NPI 1609535509 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
Definition
A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.
8609 W BRYN MAWR AVE STE 204, Chicago, IL 60631
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Other Names 1

Former Name (1)Ms. Katelyn Marie Andrysiak

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. LAUREN K YOUNG
Behavior Analyst
8609 W BRYN MAWR AVE STE 204
CHICAGO, IL 60631
Cook County (773) 726-1416
ALONDRA MARIE RIVERA PEREZ
Behavior Analyst
8609 W BRYN MAWR AVE STE 204
CHICAGO, IL 60631
Cook County (773) 644-7787
CHELSEA GARCIA BCBA, LBS
Behavior Analyst
8609 W BRYN MAWR AVE STE 204
CHICAGO, IL 60631
Cook County (773) 644-7787
OLIVIA CAROLINE BANKS
Behavior Analyst
8609 W BRYN MAWR AVE STE 204
CHICAGO, IL 60631
Cook County (773) 726-1416
LUKE PATRICK BAKER
Behavior Analyst
8609 W BRYN MAWR AVE STE 204
CHICAGO, IL 60631
Cook County (773) 644-7787
AUTISM EVALUATION CENTER AT THE PLACE
Psychologist (Clinical)
8609 W BRYN MAWR AVE STE 204
CHICAGO, IL 60631
Cook County (773) 347-3145
KAYLIN MARIE KNOLL BCBA
Behavior Analyst
8609 W BRYN MAWR AVE STE 204
CHICAGO, IL 60631
Cook County (773) 644-7787
LORA KELLY MS, BCBA
Behavior Analyst
8609 W BRYN MAWR AVE STE 204
CHICAGO, IL 60631
Cook County (773) 644-7787

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katelyn Andrysiak-begert's NPI number?

The NPI number for Katelyn Andrysiak-begert is 1609535509. It was assigned to this individual provider in the NPPES registry on December 8, 2021. The provider is also known as Ms. Katelyn Marie Andrysiak.

Where is Katelyn Andrysiak-begert located?

Katelyn Andrysiak-begert practices at 8609 W Bryn Mawr Ave Ste 204 Ste 204, Chicago, IL 60631. The listed phone number is (773) 644-7787.

What is Katelyn Andrysiak-begert's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

When was this NPI record last updated?

The NPPES record for Katelyn Andrysiak-begert was last updated on February 19, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.