Leonard Williams, LCSW, LMSW
NPI 1003590951 · Clinical Social Worker · Kingsport, TN
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonard Williams, LCSW, LMSW is a Clinical Social Worker provider in Kingsport, TN (NPI 1003590951).
Provider details
- NPI number
- 1003590951
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW, LMSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 8317 (TN)
Specialties & taxonomies
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
3 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
- 2023-06-12
- Last updated
- 2023-06-12
- Certified
- 2023-06-12
Frequently asked questions
- What is Leonard Williams's NPI number?
- Leonard Williams's National Provider Identifier (NPI) is 1003590951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Williams's specialty?
- Leonard Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Leonard Williams located?
- Leonard Williams's practice location on file with NPPES is 2991 Fort Henry Dr, Kingsport, TN 37664-4005.
- What is Leonard Williams's phone number?
- The practice phone number listed in the NPPES registry for Leonard Williams is (423) 392-2975.
- Does Leonard Williams accept Medicare?
- Leonard Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonard Williams's NPI active?
- Yes — Leonard Williams's NPI (1003590951) is active in the NPPES registry as of the last update on 2023-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.