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Lygia Stewart, M.D.
NPI 1609954387 · Surgery Physician · San Francisco, CA
Lygia Stewart, M.D. is a Surgery Physician provider in San Francisco, CA (NPI 1609954387).
Provider details
- NPI number
- 1609954387
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G52246 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
4150 Clement St
Surgery (112)
San Francisco, CA 94121-1545
Phone: (415) 221-4810
Fax: (415) 750-2181
Street-level locationGet directions
Mailing address
4150 Clement Street
San Francisco, CA 94121
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lygia Stewart's NPI number?
- Lygia Stewart's National Provider Identifier (NPI) is 1609954387, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lygia Stewart's specialty?
- Lygia Stewart is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Lygia Stewart located?
- Lygia Stewart's practice location on file with NPPES is 4150 Clement St, San Francisco, CA 94121-1545.
- What is Lygia Stewart's phone number?
- The practice phone number listed in the NPPES registry for Lygia Stewart is (415) 221-4810.
- Is Lygia Stewart's NPI active?
- Yes — Lygia Stewart's NPI (1609954387) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.