IndividualActive
Kristin Williams, RN
NPI 1255091377 · Registered Nurse · San Francisco, CA
Kristin Williams, RN is a Registered Nurse provider in San Francisco, CA (NPI 1255091377).
Provider details
- NPI number
- 1255091377
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 95022522 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
2681 28th Ave
San Francisco, CA 94116-2912
Phone: (415) 681-3211
Street-level locationGet directions
Mailing address
1549 Cabrillo St
San Francisco, CA 94118-3524
Registry dates
- Enumerated
- 2021-12-30
- Last updated
- 2022-06-09
- Certified
- 2022-06-09
Frequently asked questions
- What is Kristin Williams's NPI number?
- Kristin Williams's National Provider Identifier (NPI) is 1255091377, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristin Williams's specialty?
- Kristin Williams is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Kristin Williams located?
- Kristin Williams's practice location on file with NPPES is 2681 28th Ave, San Francisco, CA 94116-2912.
- What is Kristin Williams's phone number?
- The practice phone number listed in the NPPES registry for Kristin Williams is (415) 681-3211.
- Is Kristin Williams's NPI active?
- Yes — Kristin Williams's NPI (1255091377) is active in the NPPES registry as of the last update on 2022-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.