Michael F. Kos, MD
NPI 1366599631ActiveIndividual· Radiology, Radiation Oncology· Spokane Valley, WA
Radiology, Radiation Oncology (MD) with Mayo Clinic and 2 other groups, practicing in Spokane Valley, Washington. Mostly services rather than prescriptions: Medicare paid $232,888 for 420 patients in 2024, with only 32 Part D claims. Astrazeneca Pharmaceuticals LP was the largest of 5 companies reporting payments in 2025, $151.88 in all, mostly food and beverage. Lists Prov Sacred Hrt Med Ctr & Childs Hosp. and 1 other hospital as hospital affiliations.
Overview
| NPI | 1366599631 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 5, 2007 |
| Last updated in NPPES | Mar 18, 2026 |
| Certified by provider | Mar 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | MD61157599 | WA |
| Radiology, Radiation Oncology | 2085R0001X | 9893 | NV |
| Radiology, Radiation Oncology | 2085R0001X | 13640-320 | WI |
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 - Radiation Oncology (ID); Practitioner - Radiation Oncology (WA); Practitioner - Radiation Oncology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 420 |
|---|---|
| Services billed | 4,272 across 39 procedure codes |
| Paid by Medicare | $232,888 |
Part D prescriptions in 2024
| Prescriptions (claims) | 32 · 32 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $238.29 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Radiation Oncology |
Medical groups
- Mayo ClinicRochester, MN · 4,956 clinicians
- Cancer Care Northwest Centers P SSpokane, WA · 42 clinicians
- Valley Radiation PLLCLewiston, ID · 2 clinicians
Hospital affiliations
- Prov Sacred Hrt Med Ctr & Childs Hosp.Spokane, WA
- St Joseph Regional Medical CenterLewiston, ID
Industry payments (Open Payments)
- 2025$151.88 · 6 payments from 5 companies
- 2024$2,136 · 9 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $57.57 | 2 |
| Iovance Biotherapeutics, Inc. | $28.17 | 1 |
| Agios Pharmaceuticals, Inc. | $26.66 | 1 |
| Regeneron Healthcare Solutions, Inc. | $24.92 | 1 |
| Alexion Pharmaceuticals, Inc. | $14.56 | 1 |
What the 2025 payments were for
- Food and Beverage$151.88 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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