IndividualActive
Mary Jo Williams, RN
NPI 1144333220 · Administrator Registered Nurse · Oakland, CA
Mary Jo Williams, RN is a Administrator Registered Nurse provider in Oakland, CA (NPI 1144333220).
Provider details
- NPI number
- 1144333220
- Entity type
- Individual
- Primary specialty
- Administrator Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 271936 (CA)
Specialties & taxonomies
Nursing 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
1950 Franklin St
Oakland, CA 94612-5103
Phone: (510) 987-3647
Street-level locationGet directions
Mailing address
33 Creekside Ct
Corte Madera, CA 94925-1276
Registry dates
- Enumerated
- 2006-08-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Jo Williams's NPI number?
- Mary Jo Williams's National Provider Identifier (NPI) is 1144333220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Jo Williams's specialty?
- Mary Jo Williams is listed in the NPPES registry with a primary specialty of Administrator Registered Nurse (Nursing Service Providers).
- Where is Mary Jo Williams located?
- Mary Jo Williams's practice location on file with NPPES is 1950 Franklin St, Oakland, CA 94612-5103.
- What is Mary Jo Williams's phone number?
- The practice phone number listed in the NPPES registry for Mary Jo Williams is (510) 987-3647.
- Is Mary Jo Williams's NPI active?
- Yes — Mary Jo Williams's NPI (1144333220) 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.