Winnie Kwan, MD
NPI 1780749549 · Pediatrics Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Winnie Kwan, MD is a Pediatrics Physician provider in San Francisco, CA (NPI 1780749549).
Provider details
- NPI number
- 1780749549
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A97228 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-12-22
- Last updated
- 2022-01-17
- Certified
- 2022-01-17
Frequently asked questions
- What is Winnie Kwan's NPI number?
- Winnie Kwan's National Provider Identifier (NPI) is 1780749549, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Winnie Kwan's specialty?
- Winnie Kwan is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Winnie Kwan located?
- Winnie Kwan's practice location on file with NPPES is 273 Mallorca Way, San Francisco, CA 94123-1551.
- What is Winnie Kwan's phone number?
- The practice phone number listed in the NPPES registry for Winnie Kwan is (415) 929-0163.
- Does Winnie Kwan accept Medicare?
- Winnie Kwan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Winnie Kwan's NPI active?
- Yes — Winnie Kwan's NPI (1780749549) is active in the NPPES registry as of the last update on 2022-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.