Quick answers
- Does Anna Czerwinski accept Medicare assignment?
- Yes. Medicare's clinician data says Anna Czerwinski 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 Anna Czerwinski's NPI number?
- 1639061666. 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 Anna Czerwinski is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 W Calendar AveLa Grange, IL 60525 (708) 354‑0500
- 4760 Main StLisle, IL 60532 (630) 969‑2020
- 622 N Clark StChicago, IL 60660 (773) 743‑1221
Group practices
Medicare enrollment lists Anna Czerwinski as a member of these groups (CMS data updated October 2, 2026).
- Rosin Optical Co Inc51 clinicians in the group
- Village Eye Care Ltd8 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in La Grange
Clinicians with the same Medicare primary specialty in La Grange, IL — not a recommendation.
Other clinicians in Rosin Optical Co Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Illinois College Of Optometry At Chicago |
| Graduation year | 2025 (1 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639061666 |
| 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