Individual provider Active NPI

Katherine A Biziorek, MS

  • Speech-Language Pathologist
  • Countryside, IL
National Provider Identifier
1164159265
Registry record updated Sep 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
Practice address
9649 W 55TH St
Countryside, IL 60525-3699
Phone
(708) 352-3580
Fax
(708) 352-3580
NPI assigned
Aug 8, 2022
Last updated
Sep 29, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 29, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Speech-Language Pathologist 235Z00000X IL Primary

Addresses

Primary practice location

9649 W 55TH St
Countryside, IL 60525-3699

Mailing address

9649 W 55TH St
Countryside, IL 60525-3699
Phone (708) 352-3580

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Science

Practice roles

OrganizationSpecialtyStatusNew patients
Helping Hand Center Speech-Language Pathologist CurrentSince Mar 11, 2024 Accepting new patients

Locations

9649 W 55th St
Countryside, IL 60525
Phone (708) 352-3580

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1659916800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1164159265",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9649 W 55TH ST",
            "city": "COUNTRYSIDE",
            "state": "IL",
            "postal_code": "605253699",
            "telephone_number": "708-352-3580"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9649 W 55TH ST",
            "city": "COUNTRYSIDE",
            "state": "IL",
            "postal_code": "605253699",
            "telephone_number": "708-352-3580",
            "fax_number": "708-352-3580"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BIZIOREK",
        "first_name": "KATHERINE",
        "middle_name": "A",
        "credential": "MS",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-08-08",
        "last_updated": "2026-09-29",
        "certification_date": "2022-08-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Countryside, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.