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MARGARET BROOKE HALLOWELL CCC-SLP, PH.D.
NPI 1659239283
Speech-Language Pathologist in Phoenixville, PA

Active since January 13, 2026
219 ANDERSON AVE, PHOENIXVILLE, PA 19460(740) 541-2877 Get Directions Write a Review

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Margaret Brooke Hallowell Ccc-slp, Ph.d. NPPES

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

MARGARET BROOKE HALLOWELL CCC-SLP, PH.D. (NPI 1659239283) is an individual speech-language pathologist provider in Phoenixville, Pennsylvania, licensed in Florida (SA19645) and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1659239283
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMARGARET BROOKE HALLOWELLCredential: CCC-SLP, PH.D.
Location Address219 ANDERSON AVEPhoenixville, PA 19460-4402
Mailing Address219 Anderson AvePhoenixville, PA 19460-4402 · (740) 541-2877
Phone(740) 541-2877
Sole ProprietorYes
Enumeration DateJanuary 13, 2026
NPPES CertifiedJanuary 13, 2026
✔ NPI 1659239283 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 FL · SA19645
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.
219 ANDERSON AVE, Phoenixville, PA 19460
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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 Hallowell's NPI number?

The NPI number for Margaret Hallowell is 1659239283. It was assigned to this individual provider in the NPPES registry on January 13, 2026.

Where is Margaret Hallowell located?

Margaret Hallowell practices at 219 Anderson Ave, Phoenixville, PA 19460. The listed phone number is (740) 541-2877.

What is Margaret Hallowell'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 Hallowell was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.