Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Margaret Brooke Hallowell, CCC-SLP, PHD

Individual provider Speech-Language Pathologist · NPI 1659239283

Margaret Brooke Hallowell, CCC-SLP, PHD is a Speech-Language Pathologist in Phoenixville, Pennsylvania. Practices as a sole proprietor. Licensed in Florida.

Licensed in
FL
In the registry since
2026
What do these letters mean?
CCC-SLP — Certificate of Clinical Competence in Speech-Language Pathology
A speech-language pathologist certified by ASHA.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

219 Anderson Ave
Phoenixville, PA 19460-4402
Phone: (740) 541-2877
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence SA19645 (FL)

Record details

NPI number1659239283
Entity typeIndividual (Type 1)
GenderFemale
Credentials CCC-SLP , PHD
Sole proprietorYes
NPI enumeratedJanuary 13, 2026
Last updated in NPPESJanuary 13, 2026
Certification dateJanuary 13, 2026

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