Knee replacement in Hawaii: the highest-volume physicians
13 physicians in Hawaii billed Medicare for 432 knee replacement procedures in 2024. The top 13, with the year before beside it.
Top 13
| Rank | Physician | 2024 | 2023 | Change |
|---|---|---|---|---|
| 1 | Cass K. Nakasone, MDOrthopedic Surgery · Honolulu | 59 | 76 | −22% |
| 2 | Paul N. Morton, MDOrthopedic Surgery · Honolulu | 51 | 61 | −16% |
| 3 | Zachary ThielenOrthopedic Surgery · Wailuku | 41 | 32 | +28% |
| 4 | Jeffery K. Harpstrite, MDOrthopedic Surgery · Honolulu | 38 | 50 | −24% |
| 5 | Calvin S. Oishi, MDOrthopedic Surgery · Aiea | 37 | 34 | +9% |
| 5 | Linda J. Rasmussen, MDOrthopedic Surgery · Kailua | 37 | 69 | −46% |
| 7 | Jason R. Kaneshige, MDOrthopedic Surgery · Honolulu | 36 | 18 | |
| 8 | Jay M. Marumoto, MDSports Medicine · Honolulu | 32 | 34 | −6% |
| 8 | Andrew B. Richardson, MDOrthopedic Surgery · Honolulu | 32 | 15 | |
| 10 | Joseph C. Varcadipane, MDOrthopedic Surgery · Honolulu | 24 | 35 | −31% |
| 11 | Alison R. Kinsler, MDOrthopedic Surgery · Tripler Army Medical Center | 17 | — | |
| 12 | David Rovinsky, MDOrthopedic Surgery · Lihue | 15 | 21 | −29% |
| 13 | Mariya OpanovaOrthopedic Surgery · Aiea | 13 | — |
A rank counts procedures billed under the physician's own NPI (CPT 27447), 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.