Sybil Mackall, SLP
NPI 1750789988 · Speech-Language Pathologist · Martinsburg, WV
Sybil Mackall, SLP is a Speech-Language Pathologist provider in Martinsburg, WV (NPI 1750789988).
Provider details
- NPI number
- 1750789988
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- L2A137800257 (WV)
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
11 yrs in NPPES 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
- 2014-12-22
- Last updated
- 2014-12-22
Frequently asked questions
- What is Sybil Mackall's NPI number?
- Sybil Mackall's National Provider Identifier (NPI) is 1750789988, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sybil Mackall's specialty?
- Sybil Mackall is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Sybil Mackall located?
- Sybil Mackall's practice location on file with NPPES is 401 S Queen St, Martinsburg, WV 25401-3233.
- What is Sybil Mackall's phone number?
- The practice phone number listed in the NPPES registry for Sybil Mackall is (304) 267-3595.
- Is Sybil Mackall's NPI active?
- Yes — Sybil Mackall's NPI (1750789988) is active in the NPPES registry as of the last update on 2014-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.