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MARGARET CLARE HARPER
NPI 1942145909
Speech-Language Pathologist in St Charles, IL

Active since April 23, 2026
3815 E MAIN ST STE B, ST CHARLES, IL 60174(630) 584-7530 Get Directions Write a Review

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

About Margaret Clare Harper NPPES

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

MARGARET CLARE HARPER (NPI 1942145909) is an individual speech-language pathologist provider in St Charles, Illinois, licensed in Illinois (146.018806) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1942145909
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMARGARET CLARE HARPER
Location Address3815 E MAIN ST STE BSt Charles, IL 60174-2488
Mailing Address645 Wildwood LnWest Chicago, IL 60185-5005
Phone(630) 584-7530
Sole ProprietorNo
Enumeration DateApril 23, 2026
NPPES CertifiedApril 23, 2026
✔ NPI 1942145909 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 · 146.018806
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.
3815 E MAIN ST STE B, St Charles, IL 60174
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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.

MICHELLE SANCHEZ
Behavior Technician
3815 E MAIN ST STE B
SAINT CHARLES, IL 60174
Kane County (630) 584-7530
HEATHER SANDALL MOT, OTR/L
Occupational Therapist (Pediatrics)
3815 E MAIN ST STE B
ST CHARLES, IL 60174
Kane County (630) 584-7530
ALYSSA M MADONIA BCBA
Behavior Analyst
3815 E MAIN ST STE B
SAINT CHARLES, IL 60174
Kane County (630) 584-7530
KATARINA GOMEZ OTD, OTR/L
Occupational Therapist
3815 E MAIN ST STE B
ST CHARLES, IL 60174
Kane County (630) 584-7530
KARYSSA FRANCES LABAYEN
Behavior Technician
3815 E MAIN ST STE B
ST CHARLES, IL 60174
Kane County (630) 584-7530
SYDNEY CHRISTINE FEDDERLY
Occupational Therapist
3815 E MAIN ST STE B
ST CHARLES, IL 60174
Kane County (630) 584-7530
PEYTON MILLER OTR/L
Occupational Therapist
3815 E MAIN ST STE B
ST CHARLES, IL 60174
Kane County (630) 584-7530
EMILY VELLENDER BCBA
Behavior Analyst
3815 E MAIN ST STE B
ST CHARLES, IL 60174
Kane County (630) 584-7530

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 Margaret Harper's NPI number?

The NPI number for Margaret Harper is 1942145909. It was assigned to this individual provider in the NPPES registry on April 23, 2026.

Where is Margaret Harper located?

Margaret Harper practices at 3815 E Main St Ste B, St Charles, IL 60174. The listed phone number is (630) 584-7530.

What is Margaret Harper'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 Margaret Harper was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.