Quick answers
- Does Kenneth J. Kolbeck accept Medicare assignment?
- Yes. Medicare's clinician data says Kenneth J. Kolbeck accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Kenneth J. Kolbeck see?
- In 2024, CMS data shows 68 Original Medicare patients and 107 services for Kenneth J. Kolbeck. This counts Original Medicare only and measures volume, not quality.
- What is Kenneth J. Kolbeck's NPI number?
- 1538238803. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Kenneth J. Kolbeck, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 68 |
|---|---|
| Services billed to Medicare | 107 |
| Different services or procedures | 52 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol72%
- Arthritis47%
- Atrial fibrillation40%
- Diabetes38%
- Anxiety38%
Hospitals where Kenneth J. Kolbeck works
Medicare's Facility Affiliation Data lists Kenneth J. Kolbeck at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Columbia Memorial HospitalAstoria, OR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 381320
Practice locations
Addresses where Kenneth J. Kolbeck is enrolled with Medicare (CMS data updated October 2, 2026).
- 1905 Exchange StAstoria, OR 97103 (503) 338‑4085
Group practices
Medicare enrollment lists Kenneth J. Kolbeck as a member of this group (CMS data updated October 2, 2026).
- Columbia Lutheran Charities106 clinicians in the group
Specialties
- Interventional Radiologyprimary
Other interventional radiologists in Oregon
Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.
Other clinicians in Columbia Lutheran Charities
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538238803 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians