Surgical Volume

Lumbar spinal fusion · Colorado

Lumbar spinal fusion in Colorado: the highest-volume physicians

58 physicians in Colorado billed Medicare for 1,460 lumbar spinal fusion procedures in 2024. The top 27, with the year before beside it.

Top 27

RankPhysician20242023Change
1Paul Stanton, DOOrthopedic Surgery · Colorado Springs82101−19%
2Henry Fabian, MDOrthopedic Surgery · Steamboat Springs5869−16%
3Roger D. Sung, MDOrthopedic Surgery · Colorado Springs4967−27%
3William D. Biggs, MDOrthopedic Surgery · Fort Collins4956−12%
5Robert J. Benz, MDOrthopedic Surgery · Fort Collins4537+22%
6Sharad Rajpal, MDNeurosurgery · Boulder4240+5%
7Gary Ghiselli, MDOrthopedic Surgery · Greenwood Village38—
7Amit O. Agarwala, MDOrthopedic Surgery · Golden3829+31%
7Alan T. Villavicencio, MDNeurosurgery · Boulder3836+6%
10Eric R. Jamrich, MDOrthopedic Surgery · Lone Tree3748−23%
11Ewell L. Nelson, MDNeurosurgery · Boulder3654−33%
12Ryan MartynOrthopedic Surgery · Durango3446−26%
13John A. Sielatycki, MDOrthopedic Surgery · Steamboat Springs3339−15%
14Hans C. Coester, MDNeurosurgery · Fort Collins3235−9%
14Cj Kleck, MDOrthopedic Surgery · Aurora3215
14Vikas Patel, MDOrthopedic Surgery · Aurora3233−3%
17Douglas Crowther, DOOrthopedic Surgery · Colorado Springs3128+11%
18John P. Elliott, MDNeurosurgery · Englewood3030+0%
19Matthew R. Gerlach, MDOrthopedic Surgery · Longmont2914
20Stuart D. Kinsella, MDOrthopedic Surgery · Aspen2815
21Daniel R. Possley, DOOrthopedic Surgery · Lafayette2717
22John Adair Prall, MDNeurosurgery · Littleton2626+0%
22Colin C. Buchanan, MDNeurosurgery · Aurora26—
24John R. Barker, MDOrthopedic Surgery · Lone Tree2525+0%
24George A. Frey, MDOrthopedic Surgery · Denver2524+4%
24Mark N. RobinsonNeurosurgery · Lone Tree25—
24Michael A. Gallizzi, MDOrthopedic Surgery · Lone Tree2533−24%

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.