Keren H. Yang, O.D.
NPI 1912965906ActiveIndividual· Optometrist· Silverdale, WA
Optometrist (O.D.) in Silverdale, Washington, trained at Illinois College of Optometry at Chicago (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $79,107 for 280 claims, against $48,225 paid for services in 2024. Apellis Pharmaceuticals, Inc. was the largest of 3 companies reporting payments in 2025, $182.16 in all, mostly food and beverage.
Overview
| NPI | 1912965906 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | May 2, 2006 |
| Last updated in NPPES | Feb 11, 2022 |
| Certified by provider | Feb 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OD00003898 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 397 |
|---|---|
| Services billed | 807 across 19 procedure codes |
| Paid by Medicare | $48,225 |
Part D prescriptions in 2024
| Prescriptions (claims) | 280 · 516 30-day fills |
|---|---|
| Patients | 73 |
| Total drug cost | $79,107 |
| Generic share | 44% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Optometry |
Medical group
- Franciscan Medical GroupTacoma, WA · 1,421 clinicians
Industry payments (Open Payments)
- 2025$182.16 · 3 payments from 3 companies
- 2024$140.23 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Apellis Pharmaceuticals, Inc. | $117.94 | 1 |
| Alcon Vision LLC | $32.57 | 1 |
| Tarsus Pharmaceuticals, Inc. | $31.65 | 1 |
What the 2025 payments were for
- Food and Beverage$182.16 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 optometrists in Silverdale · All optometrists in Washington