Shoulder replacement · Illinois
Shoulder replacement in Illinois: the highest-volume physicians
85 physicians in Illinois billed Medicare for 2,261 shoulder replacement procedures in 2024. The top 25, with the year before beside it.
Top 25
| Rank | Physician | 2024 | 2023 | Change |
|---|---|---|---|---|
| 1 | Gregory P. Nicholson, MDSports Medicine · Chicago | 90 | 91 | −1% |
| 2 | Aaron A. Bare, MDOrthopedic Surgery · Warrenville | 77 | 71 | +8% |
| 3 | Rolando Izquierdo, MDOrthopedic Surgery · Algonquin | 70 | 74 | −5% |
| 3 | Robert Thorsness, MDOrthopedic Surgery · Joliet | 70 | 72 | −3% |
| 5 | Grant E. Garrigues, MDOrthopedic Surgery · Chicago | 66 | 70 | −6% |
| 6 | Brent C. Johnson, MDOrthopedic Surgery · Peoria | 57 | 50 | +14% |
| 7 | Michael S. Merkley, MDOrthopedic Surgery · Peoria | 53 | 64 | −17% |
| 7 | Scott W. Trenhaile, MDOrthopedic Surgery · Rockford | 53 | 66 | −20% |
| 7 | Miguel A. Ramirez, MDOrthopedic Surgery · Peoria | 53 | 59 | −10% |
| 10 | Guido Marra, MDOrthopedic Surgery · Chicago | 51 | 36 | +42% |
| 11 | Craig Cummins, MDSports Medicine · Barrington | 47 | 61 | −23% |
| 12 | Kevin T. Kohut, MDOrthopedic Surgery · Springfield | 40 | — | |
| 13 | Marc A. Asselmeier, MDOrthopedic Surgery · Glen Ellyn | 39 | 23 | +70% |
| 13 | Lewis L. Shi, MDOrthopedic Surgery · Chicago | 39 | 33 | +18% |
| 13 | Treg D. Brown, MDOrthopedic Surgery · Herrin | 39 | 43 | −9% |
| 13 | Nickolas G. Garbis, MDOrthopedic Surgery · Maywood | 39 | 32 | +22% |
| 17 | Aaron P. Omotola, MDOrthopedic Surgery · Alton | 35 | 28 | +25% |
| 17 | Christopher E. Wottowa, MDOrthopedic Surgery · Springfield | 35 | 26 | +35% |
| 19 | Mark D. Greatting, MDOrthopedic Surgery · Springfield | 33 | 27 | +22% |
| 19 | Thomas S. Obermeyer, MDOrthopedic Surgery · Schaumburg | 33 | 34 | −3% |
| 21 | Ryan Harold, MDOrthopedic Surgery · Glenview | 32 | 23 | +39% |
| 21 | Nikhil N. Verma, MDSports Medicine · Chicago | 32 | 20 | +60% |
| 23 | Dane H. Salazar, MDOrthopedic Surgery · Maywood | 31 | 38 | −18% |
| 23 | Djuro Petkovic, MDOrthopedic Surgery · Des Plaines | 31 | 23 | +35% |
| 25 | Brian Forsythe, MDOrthopedic Surgery · Chicago | 30 | 21 | +43% |
A rank counts procedures billed under the physician's own NPI (CPT 23472), 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.