Individual provider Active NPI

Katherine Clare Theriault

  • Speech-Language Pathologist
  • Naperville, IL
National Provider Identifier
1801702717
Registry record updated Aug 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
License
242.019131 Issued in IL
Practice address
1516 Legacy Cir
Naperville, IL 60563-1257
Phone
(331) 213-6626
NPI assigned
Aug 20, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 20, 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 242.019131 IL Primary

Addresses

Primary practice location

1516 Legacy Cir
Naperville, IL 60563-1257

Mailing address

1516 Legacy Cir Ste 100
Naperville, IL 60563-1253
Phone (331) 249-6626

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)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1787184000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787184000000",
    "number": "1801702717",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1516 LEGACY CIR STE 100",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605631253",
            "telephone_number": "331-249-6626",
            "fax_number": "331-213-7989"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1516 LEGACY CIR",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605631257",
            "telephone_number": "331-213-6626"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THERIAULT",
        "first_name": "KATHERINE",
        "middle_name": "CLARE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-08-20",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "IL",
            "license": "242.019131",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Naperville, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 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.