Martrell Kelly John, LISW-CP
NPI 1003467267 · Clinical Social Worker · Greenville, SC
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martrell Kelly John, LISW-CP is a Clinical Social Worker provider in Greenville, SC (NPI 1003467267).
Provider details
- NPI number
- 1003467267
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LISW-CP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 10326 (SC)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2019-09-27
- Last updated
- 2019-09-27
Frequently asked questions
- What is Martrell Kelly John's NPI number?
- Martrell Kelly John's National Provider Identifier (NPI) is 1003467267, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martrell Kelly John's specialty?
- Martrell Kelly John is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Martrell Kelly John located?
- Martrell Kelly John's practice location on file with NPPES is 250 Commonwealth Dr, Greenville, SC 29615-4846.
- What is Martrell Kelly John's phone number?
- The practice phone number listed in the NPPES registry for Martrell Kelly John is (240) 463-7794.
- Does Martrell Kelly John accept Medicare?
- Martrell Kelly John is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martrell Kelly John's NPI active?
- Yes — Martrell Kelly John's NPI (1003467267) is active in the NPPES registry as of the last update on 2019-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.