IndividualActive
Constance Williams, R.N.
NPI 1336264605 · Registered Nurse · Redwood City, CA
Constance Williams, R.N. is a Registered Nurse provider in Redwood City, CA (NPI 1336264605).
Provider details
- NPI number
- 1336264605
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- R.N.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 236066 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(89/100 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
643 Bair Island Rd
106
Redwood City, CA 94063-2754
Phone: (650) 306-1100
Fax: (650) 306-1104
Street-level locationGet directions
Mailing address
29 San Leandro Way
San Francisco, CA 94127-1505
Registry dates
- Enumerated
- 2007-03-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Constance Williams's NPI number?
- Constance Williams's National Provider Identifier (NPI) is 1336264605, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Constance Williams's specialty?
- Constance Williams is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Constance Williams located?
- Constance Williams's practice location on file with NPPES is 643 Bair Island Rd, Redwood City, CA 94063-2754.
- What is Constance Williams's phone number?
- The practice phone number listed in the NPPES registry for Constance Williams is (650) 306-1100.
- Is Constance Williams's NPI active?
- Yes — Constance Williams's NPI (1336264605) 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.