Nancy Lewis, M.D.
NPI 1245272368 · Pediatrics Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Lewis, M.D. is a Pediatrics Physician provider in San Francisco, CA (NPI 1245272368).
Provider details
- NPI number
- 1245272368
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G52148 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-06-12
- Last updated
- 2008-07-22
Frequently asked questions
- What is Nancy Lewis's NPI number?
- Nancy Lewis's National Provider Identifier (NPI) is 1245272368, 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 Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Lewis located?
- Nancy Lewis's practice location on file with NPPES is 400 Parnassus Ave, San Francisco, CA 94143-2202.
- What is Nancy Lewis's phone number?
- The practice phone number listed in the NPPES registry for Nancy Lewis is (415) 353-2813.
- Does Nancy Lewis accept Medicare?
- Nancy Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Lewis's NPI active?
- Yes — Nancy Lewis's NPI (1245272368) is active in the NPPES registry as of the last update on 2008-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.