Charles Williams
NPI 1568697647 · Mental Health Counselor · Oakland, CA
Charles Williams is a Mental Health Counselor provider in Oakland, CA (NPI 1568697647).
Provider details
- NPI number
- 1568697647
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
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
17 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2009-05-19
- Last updated
- 2009-05-19
Frequently asked questions
- What is Charles Williams's NPI number?
- Charles Williams's National Provider Identifier (NPI) is 1568697647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Williams's specialty?
- Charles Williams is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Charles Williams located?
- Charles Williams's practice location on file with NPPES is 390 40th St, Oakland, CA 94609-2633.
- What is Charles Williams's phone number?
- The practice phone number listed in the NPPES registry for Charles Williams is (510) 667-3684.
- Is Charles Williams's NPI active?
- Yes — Charles Williams's NPI (1568697647) is active in the NPPES registry as of the last update on 2009-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.