Donna Williams
NPI 1528564390 · Registered Nurse · Concord, CA
Donna Williams is a Registered Nurse provider in Concord, CA (NPI 1528564390).
Provider details
- NPI number
- 1528564390
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 9831 (CA)
Specialties & taxonomies
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2018-04-02
- Last updated
- 2018-04-02
Frequently asked questions
- What is Donna Williams's NPI number?
- Donna Williams's National Provider Identifier (NPI) is 1528564390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donna Williams's specialty?
- Donna Williams is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Donna Williams located?
- Donna Williams's practice location on file with NPPES is 2500 Bates Ave, Concord, CA 94520-1208.
- What is Donna Williams's phone number?
- The practice phone number listed in the NPPES registry for Donna Williams is (925) 390-6677.
- Is Donna Williams's NPI active?
- Yes — Donna Williams's NPI (1528564390) is active in the NPPES registry as of the last update on 2018-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.