Ruth Kershaw, PHYSICIAN ASSISTANT
NPI 1932676384 · Physician Assistant · San Francisco, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruth Kershaw, PHYSICIAN ASSISTANT is a Physician Assistant provider in San Francisco, CA (NPI 1932676384).
Provider details
- NPI number
- 1932676384
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PHYSICIAN ASSISTANT
- Sex
- Female
- Sole proprietor
- No
- License
- 56183 (CA)
Specialties & taxonomies
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
7 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
- 2018-10-24
- Last updated
- 2022-07-19
- Certified
- 2022-07-19
Frequently asked questions
- What is Ruth Kershaw's NPI number?
- Ruth Kershaw's National Provider Identifier (NPI) is 1932676384, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Kershaw's specialty?
- Ruth Kershaw is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ruth Kershaw located?
- Ruth Kershaw's practice location on file with NPPES is 3838 California St Rm 715, San Francisco, CA 94118-1509.
- What is Ruth Kershaw's phone number?
- The practice phone number listed in the NPPES registry for Ruth Kershaw is (415) 668-8010.
- Does Ruth Kershaw accept Medicare?
- Ruth Kershaw is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruth Kershaw's NPI active?
- Yes — Ruth Kershaw's NPI (1932676384) is active in the NPPES registry as of the last update on 2022-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.