Marthe Williams, MSW, LISW
NPI 1437405990 · Clinical Social Worker · Columbia, SC
Marthe Williams, MSW, LISW is a Clinical Social Worker provider in Columbia, SC (NPI 1437405990).
Provider details
- NPI number
- 1437405990
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LISW
- Sex
- Female
- Sole proprietor
- No
- License
- 3225 (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
13 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
- 2012-08-01
- Last updated
- 2012-08-01
Frequently asked questions
- What is Marthe Williams's NPI number?
- Marthe Williams's National Provider Identifier (NPI) is 1437405990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marthe Williams's specialty?
- Marthe Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marthe Williams located?
- Marthe Williams's practice location on file with NPPES is 2625 Rutledge St, Columbia, SC 29204-2520.
- What is Marthe Williams's phone number?
- The practice phone number listed in the NPPES registry for Marthe Williams is (893) 799-0144.
- Is Marthe Williams's NPI active?
- Yes — Marthe Williams's NPI (1437405990) is active in the NPPES registry as of the last update on 2012-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.