IndividualActive
Johnathan Williams
NPI 1831041441 · Community Health Worker · Oakland, CA
Johnathan Williams is a Community Health Worker provider in Oakland, CA (NPI 1831041441).
Provider details
- NPI number
- 1831041441
- Entity type
- Individual
- Primary specialty
- Community Health WorkerOther Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
388 19th St
Oakland, CA 94612-3425
Phone: (510) 358-9162
Street-level locationGet directions
Mailing address
1529 55th Ave
Oakland, CA 94621-4429
Registry dates
- Enumerated
- 2026-02-14
- Last updated
- 2026-02-14
- Certified
- 2026-02-14
Frequently asked questions
- What is Johnathan Williams's NPI number?
- Johnathan Williams's National Provider Identifier (NPI) is 1831041441, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johnathan Williams's specialty?
- Johnathan Williams is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).
- Where is Johnathan Williams located?
- Johnathan Williams's practice location on file with NPPES is 388 19th St, Oakland, CA 94612-3425.
- What is Johnathan Williams's phone number?
- The practice phone number listed in the NPPES registry for Johnathan Williams is (510) 358-9162.
- Is Johnathan Williams's NPI active?
- Yes — Johnathan Williams's NPI (1831041441) is active in the NPPES registry as of the last update on 2026-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.