There are 15 Diagnostic Radiology clinicians in Eugene, OR in Medicare’s data, ranked by the number of Medicare services they provide.
Diagnostic Radiology clinicians in Eugene
| Clinician | Experience | Telehealth | Medicare patients | Assignment |
|---|---|---|---|---|
| Jon Ekstrom, MD | 43 yrs | — | 3,776 | Accepts |
| Jonathan Sims, MD | 25 yrs | — | 3,769 | Accepts |
| Bernardo Isuani, MD | 30 yrs | — | 3,263 | Accepts |
| Marius Pakalniskis, M.D. | 16 yrs | — | 2,895 | Accepts |
| Ryan Tade, M.D. | 12 yrs | — | 2,923 | Accepts |
| Stephan Thiede, MD | 28 yrs | — | 2,913 | Accepts |
| Brandon Roller, M.D., PH.D. | 19 yrs | — | 2,905 | Accepts |
| Dmitriy Kazimirko, M.D. | 13 yrs | — | 2,595 | Accepts |
| David Tsai, MD | 37 yrs | — | 2,727 | Accepts |
| Marc Garant, MD | 34 yrs | — | 2,528 | Accepts |
| Michael Milstein, M.D. | 28 yrs | — | 1,445 | Accepts |
| Matthew Tommack, D.O. | 17 yrs | — | 1,083 | Accepts |
| Randy Parkhurst, M.D. | 22 yrs | — | 1,033 | Accepts |
| Marissa Simard, MD | 19 yrs | — | 976 | Accepts |
| Philip Keizer, MD | 32 yrs | — | 51 | Accepts |
What the columns mean
- Experience — years since the clinician’s medical-school graduation (when known).
- Telehealth — the clinician reported providing telehealth (video/phone) visits.
- Medicare patients — distinct Original-Medicare beneficiaries in the latest year; a volume signal, not a quality rating.
- Assignment — “Accepts” means they accept the Medicare-approved amount as full payment (lower out-of-pocket for Medicare patients).
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Source: CMS Medicare Physician & Other Practitioners and the Doctors & Clinicians National Downloadable File (most recent release). Counts reflect Original Medicare activity only and are not a measure of quality. “Medicare allows” is the Medicare fee schedule amount — not what an insured or cash patient pays; for patient prices see the linked procedure pages. Always confirm a clinician’s current details with their office.