IndividualActive
Barbara Williams, LCSW
NPI 1851307896 · Mental Health Counselor · Oakland, CA
Barbara Williams, LCSW is a Mental Health Counselor provider in Oakland, CA (NPI 1851307896).
Provider details
- NPI number
- 1851307896
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCS12137 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
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
4003 Howe St
Oakland, CA 94611-5211
Phone: (510) 420-8083
Fax: (510) 420-8084
Street-level locationGet directions
Mailing address
4003 Howe St
Oakland, CA 94611-5211
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Barbara Williams's NPI number?
- Barbara Williams's National Provider Identifier (NPI) is 1851307896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Williams's specialty?
- Barbara Williams is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Barbara Williams located?
- Barbara Williams's practice location on file with NPPES is 4003 Howe St, Oakland, CA 94611-5211.
- What is Barbara Williams's phone number?
- The practice phone number listed in the NPPES registry for Barbara Williams is (510) 420-8083.
- Is Barbara Williams's NPI active?
- Yes — Barbara Williams's NPI (1851307896) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.