Knee replacement in Montana: the highest-volume physicians
29 physicians in Montana billed Medicare for 1,757 knee replacement procedures in 2024. The top 26, with the year before beside it.
Top 26
| Rank | Physician | 2024 | 2023 | Change |
|---|---|---|---|---|
| 1 | Zachary B. Scheer, MDOrthopedic Surgery · Billings | 170 | 170 | +0% |
| 2 | Michael T. Groover, DOOrthopedic Surgery · Billings | 157 | 169 | −7% |
| 3 | David H. Allmacher, MDOrthopedic Surgery · Missoula | 154 | 180 | −14% |
| 4 | Jace Bullard, MDOrthopedic Surgery · Great Falls | 107 | 123 | −13% |
| 5 | Timothy A. Joyce, MDOrthopedic Surgery · Kalispell | 104 | 80 | +30% |
| 6 | Kerry S. Hale, MDOrthopedic Surgery · Helena | 99 | 107 | −7% |
| 7 | Martin K. Gelbke, MDOrthopedic Surgery · Bozeman | 91 | 84 | +8% |
| 8 | Mark A. Channer, MDOrthopedic Surgery · Missoula | 90 | 84 | +7% |
| 9 | Joseph H. Bergman, MDOrthopedic Surgery · Kalispell | 88 | 76 | +16% |
| 10 | Daniel R. Whiting, MDOrthopedic Surgery · Missoula | 80 | 76 | +5% |
| 11 | Dean C. Sukin, MDOrthopedic Surgery · Bozeman | 75 | 88 | −15% |
| 12 | Steven Fischer, MDOrthopedic Surgery · Billings | 66 | 71 | −7% |
| 13 | Gregg D. Pike, MDOrthopedic Surgery · Great Falls | 65 | 57 | +14% |
| 14 | Matthew A. Kopplin, MDOrthopedic Surgery · Billings | 54 | 73 | −26% |
| 15 | Andrew Blackman, MDOrthopedic Surgery · Great Falls | 50 | 68 | −26% |
| 16 | Gary J. Willstein, MDOrthopedic Surgery · Missoula | 40 | 35 | +14% |
| 17 | Christopher R. Price, MDOrthopedic Surgery · Missoula | 33 | 46 | −28% |
| 18 | Guy R. Schmidt, MDOrthopedic Surgery · Billings | 29 | 41 | −29% |
| 19 | Kim D. Stimpson, MDOrthopedic Surgery · Kalispell | 27 | 28 | −4% |
| 19 | Peter D. Hanson, MDOrthopedic Surgery · Helena | 27 | 31 | −13% |
| 21 | Timothy O'brien, MDOrthopedic Surgery · Bozeman | 24 | 36 | −33% |
| 22 | Colin G. Sherrill, MDOrthopedic Surgery · Missoula | 22 | 36 | −39% |
| 23 | Stanley H. Makman, MDOrthopedic Surgery · Kalispell | 18 | 20 | −10% |
| 24 | Larry R. Stayner, MDOrthopedic Surgery · Missoula | 17 | 24 | −29% |
| 25 | Michael P. Bryant, DOOrthopedic Surgery · Great Falls | 16 | 27 | −41% |
| 25 | Matthew K. Bailey, MDOrthopedic Surgery · Kalispell | 16 | 16 |
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.