Marcella Williams, LCSW
NPI 1962529883 · Clinical Social Worker · Sacramento, CA
Marcella Williams, LCSW is a Clinical Social Worker provider in Sacramento, CA (NPI 1962529883).
Provider details
- NPI number
- 1962529883
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 29026 (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
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
- 2007-03-24
- Last updated
- 2017-02-21
Frequently asked questions
- What is Marcella Williams's NPI number?
- Marcella Williams's National Provider Identifier (NPI) is 1962529883, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcella Williams's specialty?
- Marcella Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marcella Williams located?
- Marcella Williams's practice location on file with NPPES is 2315 Stockton Blvd, Sacramento, CA 95817-2201.
- What is Marcella Williams's phone number?
- The practice phone number listed in the NPPES registry for Marcella Williams is (916) 734-1565.
- Is Marcella Williams's NPI active?
- Yes — Marcella Williams's NPI (1962529883) is active in the NPPES registry as of the last update on 2017-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.