Colbert Williams, M.S.W., L.C.S.W.
NPI 1366638678 · Clinical Social Worker · Lancaster, CA
Colbert Williams, M.S.W., L.C.S.W. is a Clinical Social Worker provider in Lancaster, CA (NPI 1366638678).
Provider details
- NPI number
- 1366638678
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- M.S.W., L.C.S.W.
- Sex
- Male
- Sole proprietor
- Yes
- License
- LCS18531 (CA)
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
18 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
- 2007-09-20
- Last updated
- 2007-09-20
Frequently asked questions
- What is Colbert Williams's NPI number?
- Colbert Williams's National Provider Identifier (NPI) is 1366638678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colbert Williams's specialty?
- Colbert Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Colbert Williams located?
- Colbert Williams's practice location on file with NPPES is 2058 E Oldfield St, Lancaster, CA 93535-1727.
- What is Colbert Williams's phone number?
- The practice phone number listed in the NPPES registry for Colbert Williams is (866) 726-7881.
- Is Colbert Williams's NPI active?
- Yes — Colbert Williams's NPI (1366638678) is active in the NPPES registry as of the last update on 2007-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.