Quick answers
- Does William Van De Car Iv accept Medicare assignment?
- Yes. Medicare's clinician data says William Van De Car Iv 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.
- How many Medicare patients does William Van De Car Iv see?
- In 2024, CMS data shows 423 Original Medicare patients and 803 services for William Van De Car Iv. This counts Original Medicare only and measures volume, not quality.
- What is William Van De Car Iv's NPI number?
- 1821475427. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for William Van De Car Iv, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 423 |
|---|---|
| Services billed to Medicare | 803 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)216 services
- Measurement of corneal curvature and depth of eye (92136)110 services
- Removal of cataract with insertion of prosthetic lens (66984)81 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)71 services
- Established patient complete exam of visual system (92014)61 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol71%
- High blood pressure70%
- Arthritis38%
- Diabetes35%
- Ischemic heart disease24%
- Chronic kidney disease23%
Practice locations
Addresses where William Van De Car Iv is enrolled with Medicare (CMS data updated October 2, 2026).
- 17720 SE Mill Plain Blvd, Suite 100Vancouver, WA 98683 (360) 823‑2020
- 3200 Main StVancouver, WA 98663
- 9 Monroe Pkwy, Suite 160Lake Oswego, OR 97035 (503) 636‑2551
Group practices
Medicare enrollment lists William Van De Car Iv as a member of these groups (CMS data updated October 2, 2026).
- Eye Health Northwest PC73 clinicians in the group
- Vancouver Eye Care PS12 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Vancouver
Clinicians with the same Medicare primary specialty in Vancouver, WA — not a recommendation.
Other clinicians in Eye Health Northwest PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Michigan State University College Of Human Medicine |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821475427 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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