Quick answers
- Where does Jon M. Willems see patients?
- Medicare's clinician data lists 2 practice locations, including Silverdale, WA and Vashon, WA. Call before your visit to confirm the address.
- What is Jon M. Willems's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Jon M. Willems accept Medicare assignment?
- Yes. Medicare's clinician data says Jon M. Willems accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Jon M. Willems?
- (360) 692-6115, as listed in official Medicare / NPI Registry data.
- What is Jon M. Willems's NPI number?
- 1821072539. 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 Jon M. Willems is enrolled with Medicare (CMS data updated 2026-10-02).
- 3647 NW Byron St, Suite 100Silverdale, WA 98383 (360) 692‑6115
- 9720 SW Bank RdVashon, WA 98070 (206) 463‑2020
Group practices
Medicare enrollment lists Jon M. Willems as a member of these groups (CMS data updated 2026-10-02).
- Silverdale Eye Care Center Inc4 clinicians in the group
- 20/20 Eyecare Centers Inc PS2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Silverdale
Clinicians with the same Medicare primary specialty in Silverdale, WA — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Pacific University - College Of Optometry |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821072539 |
| 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 2026-10-02, retrieved 2026-10-29
- 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