Quick answers
- Does Winnie F. Yee accept Medicare assignment?
- Yes. Medicare's clinician data says Winnie F. Yee accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Winnie F. Yee's NPI number?
- 1942357074. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Winnie F. Yee is enrolled with Medicare (CMS data updated October 2, 2026).
- 605 Stanford Shopping CtrPalo Alto, CA 94304 (650) 327‑2840
- 940 Geneva AveSan Francisco, CA 94112 (415) 585‑6588
Group practices
Medicare enrollment lists Winnie F. Yee as a member of this group (CMS data updated October 2, 2026).
- Ecs of Bay Area Optometry Corporation16 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Palo Alto
Clinicians with the same Medicare primary specialty in Palo Alto, CA — not a recommendation.
Other clinicians in Ecs of Bay Area Optometry Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Southern California College Of Optometry |
| Graduation year | 1999 (27 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942357074 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians