IndividualActive
Nanci Williams
NPI 1386575777 · Emergency Registered Nurse · Santa Rosa, CA
Nanci Williams is a Emergency Registered Nurse provider in Santa Rosa, CA (NPI 1386575777).
Provider details
- NPI number
- 1386575777
- Entity type
- Individual
- Primary specialty
- Emergency Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- C651767 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(52/100 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
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
401 Bicentennial Way
Santa Rosa, CA 95403-2149
Phone: (707) 393-3309
Approximate (ZIP-level) locationGet directions
Mailing address
1430 Wildwood Rd
Ukiah, CA 95482-3642
Registry dates
- Enumerated
- 2026-05-26
- Last updated
- 2026-05-26
- Certified
- 2026-05-26
Frequently asked questions
- What is Nanci Williams's NPI number?
- Nanci Williams's National Provider Identifier (NPI) is 1386575777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nanci Williams's specialty?
- Nanci Williams is listed in the NPPES registry with a primary specialty of Emergency Registered Nurse (Nursing Service Providers).
- Where is Nanci Williams located?
- Nanci Williams's practice location on file with NPPES is 401 Bicentennial Way, Santa Rosa, CA 95403-2149.
- What is Nanci Williams's phone number?
- The practice phone number listed in the NPPES registry for Nanci Williams is (707) 393-3309.
- Is Nanci Williams's NPI active?
- Yes — Nanci Williams's NPI (1386575777) is active in the NPPES registry as of the last update on 2026-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.