Margaret Hallowell, CCC-SLP, PH.D.
NPI 1659239283 · Speech-Language Pathologist · Phoenixville, PA
Margaret Hallowell, CCC-SLP, PH.D. is a Speech-Language Pathologist provider in Phoenixville, PA (NPI 1659239283).
Provider details
- NPI number
- 1659239283
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- CCC-SLP, PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- SA19645 (FL)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2026-01-13
- Last updated
- 2026-01-13
- Certified
- 2026-01-13
Frequently asked questions
- What is Margaret Hallowell's NPI number?
- Margaret Hallowell's National Provider Identifier (NPI) is 1659239283, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Hallowell's specialty?
- Margaret Hallowell is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Margaret Hallowell located?
- Margaret Hallowell's practice location on file with NPPES is 219 Anderson Ave, Phoenixville, PA 19460-4402.
- What is Margaret Hallowell's phone number?
- The practice phone number listed in the NPPES registry for Margaret Hallowell is (740) 541-2877.
- Is Margaret Hallowell's NPI active?
- Yes — Margaret Hallowell's NPI (1659239283) is active in the NPPES registry as of the last update on 2026-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.