Margaret Johnson, MSP, CCC-SLP
NPI 1629740279 · Speech-Language Pathologist · Daniel Island, SC
Margaret Johnson, MSP, CCC-SLP is a Speech-Language Pathologist provider in Daniel Island, SC (NPI 1629740279).
Provider details
- NPI number
- 1629740279
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MSP, CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- SLP200001280 (DC)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
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
4 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
- 2021-10-01
- Last updated
- 2025-11-25
- Certified
- 2025-11-25
Frequently asked questions
- What is Margaret Johnson's NPI number?
- Margaret Johnson's National Provider Identifier (NPI) is 1629740279, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Johnson's specialty?
- Margaret Johnson is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Margaret Johnson located?
- Margaret Johnson's practice location on file with NPPES is 186 Seven Farms Drive, Daniel Island, SC 29492.
- What is Margaret Johnson's phone number?
- The practice phone number listed in the NPPES registry for Margaret Johnson is (803) 814-3812.
- Is Margaret Johnson's NPI active?
- Yes — Margaret Johnson's NPI (1629740279) is active in the NPPES registry as of the last update on 2025-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.