Lumbar spinal fusion in Oregon: the highest-volume physicians
21 physicians in Oregon billed Medicare for 486 lumbar spinal fusion procedures in 2024. The top 21, with the year before beside it.
Top 21
| Rank | Physician | 2024 | 2023 | Change |
|---|---|---|---|---|
| 1 | Alp OzpinarNeurosurgery · Springfield | 58 | 41 | +41% |
| 2 | Carmina F. Angeles, MDNeurosurgery · Eugene | 54 | 48 | +13% |
| 3 | Douglas Blaty, DOOrthopedic Surgery · Corvallis | 39 | 41 | −5% |
| 4 | Anthony G. Hadden, MDNeurosurgery · Bend | 35 | 43 | −19% |
| 5 | Andy J. Kranenburg, MDOrthopedic Surgery · Medford | 34 | 34 | +0% |
| 6 | Kent D. Yundt, MDNeurosurgery · Bend | 27 | 18 | |
| 7 | Wael Ghacham, MDOrthopedic Surgery · Corvallis | 24 | 14 | |
| 8 | Adam E. Cabalo, MDOrthopedic Surgery · Medford | 23 | 31 | −26% |
| 9 | John M. Depasse, MDOrthopedic Surgery · Tualatin | 21 | 28 | −25% |
| 9 | Miroslav P. Bobek, MDNeurosurgery · Medford | 21 | 35 | −40% |
| 11 | Emily C. Nguyen, MDOrthopedic Surgery · Portland | 18 | 24 | −25% |
| 11 | Daniel S. Hutton, DONeurosurgery · Springfield | 18 | 18 | |
| 13 | Zachary MedressNeurosurgery · Portland | 14 | — | |
| 13 | Chae G. Ha, MDOrthopedic Surgery · Bend | 14 | 15 | |
| 13 | Jeffrey R. Tyler, MDInternal Medicine · Corbett | 14 | 18 | |
| 13 | Robert Tatsumi, MDOrthopedic Surgery · Tualatin | 14 | 14 | |
| 17 | Jonathan D. Sherman, MDNeurosurgery · Eugene | 13 | — | |
| 18 | Maurice Collada, MDNeurosurgery · Salem | 12 | — | |
| 19 | David Mazur-Hart, MDNeurosurgery · Hillsboro | 11 | — | |
| 19 | Jayme R. Hiratzka, MDOrthopedic Surgery · Medford | 11 | 11 | |
| 19 | J Rafe Sales, MD, PCOrthopedic Surgery · Portland | 11 | 17 |
A rank counts procedures billed under the physician's own NPI (CPT 22633, 22612), in 2024, Medicare fee-for-service only. A surgeon who mostly treats younger or Medicare Advantage patients will rank lower than their total volume. Method and limits.