IndividualActive
Mary Knipfer, RN
NPI 1134052533 · Registered Nurse · San Francisco, CA
Mary Knipfer, RN is a Registered Nurse provider in San Francisco, CA (NPI 1134052533).
Provider details
- NPI number
- 1134052533
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 95424285 (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
815 Buena Vista Ave W
San Francisco, CA 94117-4108
Phone: (415) 967-7058
Street-level locationGet directions
Mailing address
2740 Harrison St
San Francisco, CA 94110-3352
Registry dates
- Enumerated
- 2026-06-05
- Last updated
- 2026-06-05
- Certified
- 2026-06-05
Frequently asked questions
- What is Mary Knipfer's NPI number?
- Mary Knipfer's National Provider Identifier (NPI) is 1134052533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Knipfer's specialty?
- Mary Knipfer is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Mary Knipfer located?
- Mary Knipfer's practice location on file with NPPES is 815 Buena Vista Ave W, San Francisco, CA 94117-4108.
- What is Mary Knipfer's phone number?
- The practice phone number listed in the NPPES registry for Mary Knipfer is (415) 967-7058.
- Is Mary Knipfer's NPI active?
- Yes — Mary Knipfer's NPI (1134052533) is active in the NPPES registry as of the last update on 2026-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.