William Vandecar, M.D.
NPI 1821475427 · Ophthalmology Physician · Lake Oswergo, OR
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Vandecar, M.D. is a Ophthalmology Physician provider in Lake Oswergo, OR (NPI 1821475427).
Provider details
- NPI number
- 1821475427
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD61417092 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
781 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 216 | $90 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 110 | $38 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 81 | $532 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 71 | $128 |
| Established Patient Complete Exam of Visual System92014 | 61 | $126 |
| New Patient Complete Exam of Visual System92004 | 56 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 96 | 68 |
| Moxifloxacin Hclbrand: Moxifloxacin | 84 | 61 |
| Ketorolac Tromethamine | 78 | 55 |
| Latanoprost | 65 | 22 |
| Erythromycin Basebrand: Erythromycin | 44 | 34 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 41 | 39 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$65 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 18345 Sw Alexander StSuite aAloha, OR 97003Phone: (503) 642-2505Fax: (503) 649-9556
Registry dates
- Enumerated
- 2015-05-03
- Last updated
- 2026-02-06
- Certified
- 2026-02-06
Frequently asked questions
- What is William Vandecar's NPI number?
- William Vandecar's National Provider Identifier (NPI) is 1821475427, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Vandecar's specialty?
- William Vandecar is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is William Vandecar located?
- William Vandecar's practice location on file with NPPES is 9 Monroe Parkway, Lake Oswergo, OR 97035.
- What is William Vandecar's phone number?
- The practice phone number listed in the NPPES registry for William Vandecar is (503) 636-2551.
- Does William Vandecar accept Medicare?
- William Vandecar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Vandecar's NPI active?
- Yes — William Vandecar's NPI (1821475427) is active in the NPPES registry as of the last update on 2026-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.