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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATHERINE A BIZIOREK MS
NPI 1164159265
Speech-Language Pathologist in Countryside, IL

Active since August 08, 2022
9649 W 55TH ST, COUNTRYSIDE, IL 60525(708) 352-3580(708) 352-3580 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 29, 2026, Aug 8, 2022 (2 updates tracked since 2022).

About Katherine A Biziorek Ms NPPES

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

KATHERINE A BIZIOREK MS (NPI 1164159265) is an individual speech-language pathologist provider in Countryside, Illinois and active in the NPI registry since August 2022.

NPPES Registry Identity

NPI1164159265
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameKATHERINE A BIZIOREKCredential: MS
Location Address9649 W 55TH STCountryside, IL 60525-3699
Mailing Address9649 W 55th StCountryside, IL 60525-3699 · (708) 352-3580
Phone(708) 352-3580
Fax(708) 352-3580
Sole ProprietorNo
Enumeration DateAugust 8, 2022
Last NPPES UpdateSeptember 29, 20262 updates tracked since enumeration
NPPES CertifiedAugust 8, 2022
✔ NPI 1164159265 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
9649 W 55TH ST, Countryside, IL 60525
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

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. ARCHIE RININTA RONAULI SOELAEMAN M.A. CF-SLP
Speech-Language Pathologist
9649 W 55TH ST
COUNTRYSIDE, IL 60525
Cook County (708) 352-3580
REBECCA LYNN KINST LPC, NCC
Counselor (Professional)
9649 W 55TH ST
COUNTRYSIDE, IL 60525
Cook County (708) 352-3580
MRS. NATALIE GRACE COCHRAN OTR
Occupational Therapist
9649 W 55TH ST
COUNTRYSIDE, IL 60525
Cook County (708) 352-3580
NATALIE C PONCE RN
Registered Nurse
9649 W 55TH ST
COUNTRYSIDE, IL 60525
Cook County (708) 352-3580
MARGARET MARY JOHNSON
Speech-Language Pathologist
9649 W 55TH ST
COUNTRYSIDE, IL 60525
Cook County (708) 352-3580
MS. ISABEL C SANTANA CFY
Speech-Language Pathologist
9649 W 55TH ST
COUNTRYSIDE, IL 60525
Cook County (708) 352-3580
REBECCA DAWN MISSIONI MOT OTRIL
Occupational Therapist
9649 W 55TH ST
COUNTRYSIDE, IL 60525
Cook County (708) 352-3580
ANGELA ZAINELLI OTR/L
Occupational Therapist
9649 W 55TH ST
COUNTRYSIDE, IL 60525
Cook County (708) 352-3580

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 Katherine Biziorek's NPI number?

The NPI number for Katherine Biziorek is 1164159265. It was assigned to this individual provider in the NPPES registry on August 8, 2022.

Where is Katherine Biziorek located?

Katherine Biziorek practices at 9649 W 55th St, Countryside, IL 60525. The listed phone number is (708) 352-3580.

What is Katherine Biziorek's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

What insurance does Katherine Biziorek accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Katherine Biziorek as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Katherine Biziorek was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.