Gwyneth Williams
NPI 1578631412 · Clinical Social Worker · Washington, DC
Gwyneth Williams is a Clinical Social Worker provider in Washington, DC (NPI 1578631412).
Provider details
- NPI number
- 1578631412
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 12772 (MD)
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
19 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
- 2006-11-30
- Last updated
- 2012-05-23
Frequently asked questions
- What is Gwyneth Williams's NPI number?
- Gwyneth Williams's National Provider Identifier (NPI) is 1578631412, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwyneth Williams's specialty?
- Gwyneth Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gwyneth Williams located?
- Gwyneth Williams's practice location on file with NPPES is 8001 14th St Nw, Washington, DC 20012-1207.
- What is Gwyneth Williams's phone number?
- The practice phone number listed in the NPPES registry for Gwyneth Williams is (202) 531-9617.
- Is Gwyneth Williams's NPI active?
- Yes — Gwyneth Williams's NPI (1578631412) is active in the NPPES registry as of the last update on 2012-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.