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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

KATHERINE CLARE THERIAULT
NPI 1801702717
Speech-Language Pathologist in Naperville, IL

Active since August 20, 2026
1516 LEGACY CIR, NAPERVILLE, IL 60563(331) 213-6626 Get Directions Write a Review

NPPES record added: August 20, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Katherine Clare Theriault NPPES

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

KATHERINE CLARE THERIAULT (NPI 1801702717) is an individual speech-language pathologist provider in Naperville, Illinois, licensed in Illinois (242.019131) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1801702717
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameKATHERINE CLARE THERIAULT
Location Address1516 LEGACY CIRNaperville, IL 60563-1257
Mailing Address1516 Legacy Cir Ste 100Naperville, IL 60563-1253 · (331) 249-6626 · Fax (331) 213-7989
Phone(331) 213-6626
Sole ProprietorNo
Enumeration DateAugust 20, 2026
NPPES CertifiedAugust 20, 2026
✔ NPI 1801702717 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
License✔ Licensed in IL · 242.019131
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.
1516 LEGACY CIR, Naperville, IL 60563
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Other Providers at the Same Location NPPES 2

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

DR. GAIL J MAY, LTD
Optometrist
1516 LEGACY CIR, UNIT 102
NAPERVILLE, IL 60563
Dupage County (630) 245-2020
KEVEN D WELLS DDS PC
Dentist
1516 LEGACY CIR, UNIT #104
NAPERVILLE, IL 60563
Dupage County (630) 505-1516

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 Theriault's NPI number?

The NPI number for Katherine Theriault is 1801702717. It was assigned to this individual provider in the NPPES registry on August 20, 2026.

Where is Katherine Theriault located?

Katherine Theriault practices at 1516 Legacy Cir, Naperville, IL 60563. The listed phone number is (331) 213-6626.

What is Katherine Theriault's specialty?

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

When was this NPI record last updated?

The NPPES record for Katherine Theriault was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.