Specialty Directory
Ophthalmology in Sunnyvale, CA
Federal CMS data for 6 ophthalmology providers practicing in Sunnyvale, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
6
Providers
Median industry payments
$522
6
Ophthalmology Providers
in Sunnyvale, CA
$522
Median Industry Payments
per provider (2018–2024)
2,172
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only
Medicare fee-for-service patients (typically 65+). This does not represent total practice volume.
Industry payments span multiple years and payment types — they are legal and do not indicate wrongdoing.
Ophthalmology includes multiple subspecialties with different practice patterns.
Learn more →
Ophthalmology Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| GHOSH, TANYA MD | 10,508 | 1,554 | Eye injection (Vabysmo/faricimab) | $1,545 (2018-2024) | Food & Beverage (89%) | Very High |
| SHIUEY, YICHIEH M.D. | 2,438 | 1,970 | Office visit, established patient (30-39 min) | $741 (2018-2024) | Food & Beverage (80%) | Very High |
| SNEDDEN, ELIZABETH M.D. | 2,296 | 1,724 | Optic nerve imaging (OCT scan) | $193 (2019-2021) | Food & Beverage (90%) | Very High |
| SHIH, KAREN M.D. | 2,048 | 1,455 | Office visit, established patient (30-39 min) | $228 (2019-2024) | Food & Beverage (91%) | Very High |
| HU, WANDA M.D. | 1,961 | 1,564 | Office visit, established patient (30-39 min) | $16,025 (2018-2024) | Consulting (80%) | Very High |
| MARK, DAVID M.D. | 743 | 647 | Comprehensive eye exam, established patient | $304 (2018-2023) | Food & Beverage (94%) | Very High |
Note: Ophthalmology encompasses multiple subspecialties with different practice patterns.
Differences in payment amounts and procedure volumes may reflect subspecialty focus
rather than practice quality. Consider viewing individual profiles for full context.
By Practice Pattern
Ophthalmology encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Clinical Cardiology (4)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| SHIUEY, YICHIEH | 2,438 | $741 |
| SNEDDEN, ELIZABETH | 2,296 | $193 |
| SHIH, KAREN | 2,048 | $228 |
| HU, WANDA | 1,961 | $16,025 |
Mixed Practice (2)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| GHOSH, TANYA | 10,508 | $1,545 |
| MARK, DAVID | 743 | $304 |