Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Michael F Kos, MD

Individual provider Radiation Oncology Physician · NPI 1366599631

Michael F Kos, MD is a Radiation Oncology in Spokane Valley, Washington. Qualified in 1993, 33 years ago. Practices with Cancer Care Northwest Centers P S, a 40-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Nevada, Washington and Wisconsin.

Years since qualifying
33
Licensed in
NV, WA, WI
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

13424 E Mission Ave # A
Spokane Valley, WA 99216-2759
Phone: (509) 321-4980
Fax: (530) 576-0364
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 504 6th St, Lewiston, ID 83501-2439 — (208) 799-5755
  • 415 6th St, Lewiston, ID 83501-2431 — (208) 799-5755
  • 1641 E Polston Ave Ste 102, Post Falls, ID 83854-7852 — (208) 273-9186

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence MD61157599 (WA)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 9893 (NV)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 13640-320 (WI)

Record details

NPI number1366599631
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 5, 2007
Last updated in NPPESMarch 18, 2026
Certification dateMarch 18, 2026
Mailing address6506 S Regal Ct, Spokane, WA 99223-2117

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Cancer Care Northwest Centers P S — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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