Quick answers
- Does Wendy Y. Shem accept Medicare assignment?
- Yes. Medicare's clinician data says Wendy Y. Shem 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 Wendy Y. Shem's NPI number?
- 1821050162. 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 Wendy Y. Shem is enrolled with Medicare (CMS data updated October 2, 2026).
- 1368 E Walnut StPasadena, CA 91106 (626) 796‑3105
Group practices
Medicare enrollment lists Wendy Y. Shem as a member of this group (CMS data updated October 2, 2026).
- Wyse Willa Optometry Inc3 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Pasadena
Clinicians with the same Medicare primary specialty in Pasadena, CA — not a recommendation.
Other clinicians in Wyse Willa Optometry Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | University Of Houston - College Of Optometry |
| Graduation year | 1996 (30 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821050162 |
| 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