Ken Koyanagawa, DO
NPI 1225603053ActiveIndividual· Emergency Medicine· Bremerton, WA
Emergency Medicine (DO) with Franciscan Medical Group, practicing in Bremerton, Washington. Part D covered 99 prescriptions written in 2024, 95% of them generic. Abbvie Inc. reported $32.87 in payments in 2025, mostly food and beverage. Lists St Michael Medical Center as a hospital affiliation.
Overview
| NPI | 1225603053 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 24, 2021 |
| Last updated in NPPES | Dec 30, 2025 |
| Certified by provider | Dec 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | OP61674900 | 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 - General Practice (NY); Practitioner - Emergency Medicine (WA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 99 · 99 30-day fills |
|---|---|
| Patients | 72 |
| Total drug cost | $865.17 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Franciscan Medical GroupTacoma, WA · 1,421 clinicians
Hospital affiliation
- St Michael Medical CenterSilverdale, WA
Industry payments (Open Payments)
- 2025$32.87 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $32.87 | 1 |
What the 2025 payments were for
- Food and Beverage$32.87 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 emergency medicine physicians in Bremerton · All emergency medicine physicians in Washington