Nancy Lewis, NP MSN
NPI 1891827820 · Family Nurse Practitioner · San Francisco, CA
Nancy Lewis, NP MSN is a Family Nurse Practitioner provider in San Francisco, CA (NPI 1891827820).
Provider details
- NPI number
- 1891827820
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP MSN
- Sex
- Female
- Sole proprietor
- No
- License
- RN444484 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-03-13
- Last updated
- 2025-09-11
Frequently asked questions
- What is Nancy Lewis's NPI number?
- Nancy Lewis's National Provider Identifier (NPI) is 1891827820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Lewis's specialty?
- Nancy Lewis is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nancy Lewis located?
- Nancy Lewis's practice location on file with NPPES is 555 Cole St, San Francisco, CA 94117-2800.
- What is Nancy Lewis's phone number?
- The practice phone number listed in the NPPES registry for Nancy Lewis is (415) 386-9398.
- Is Nancy Lewis's NPI active?
- Yes — Nancy Lewis's NPI (1891827820) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.