James Williamson, PH.D., LMSW
NPI 1912634726 · Clinical Social Worker · Columbia, SC
James Williamson, PH.D., LMSW is a Clinical Social Worker provider in Columbia, SC (NPI 1912634726).
Provider details
- NPI number
- 1912634726
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- PH.D., LMSW
- Sex
- Male
- Sole proprietor
- No
- License
- 15339 (SC)
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
- 2022-08-02
- Last updated
- 2022-08-02
- Certified
- 2022-08-01
Frequently asked questions
- What is James Williamson's NPI number?
- James Williamson's National Provider Identifier (NPI) is 1912634726, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Williamson's specialty?
- James Williamson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is James Williamson located?
- James Williamson's practice location on file with NPPES is 111 Doctor Cir, Columbia, SC 29203-6502.
- What is James Williamson's phone number?
- The practice phone number listed in the NPPES registry for James Williamson is (843) 910-1440.
- Is James Williamson's NPI active?
- Yes — James Williamson's NPI (1912634726) is active in the NPPES registry as of the last update on 2022-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.