Surgical Volume

Colonoscopy (diagnostic) · Iowa

Colonoscopy (diagnostic) in Iowa: the highest-volume physicians

55 physicians in Iowa billed Medicare for 1,019 colonoscopy (diagnostic) procedures in 2024. The top 26, with the year before beside it.

Top 26

RankPhysician20242023Change
1Christopher Nicholas, MDThoracic Surgery · West Burlington5945+31%
2Mohammed Irshad, MDGastroenterology · Clinton5247+11%
3Benjamin Pottebaum, DOGastroenterology · Clive3823+65%
4Young B. Huh, MDGastroenterology · Bettendorf3335−6%
5Leon L. Qiao, MDGastroenterology · Cedar Rapids3224+33%
6Thomas D. Johnson, MDGastroenterology · Nevada3139−21%
7Jeremy Fields, MDGastroenterology · Ames3022+36%
8Larry Johnston, DOGastroenterology · Ames2619
8Meghan Wooster, DOGeneral Surgery · West Burlington2637−30%
10Cara E. Sawyer, DOGeneral Surgery · West Burlington2330−23%
10Jaren Ricker, MDGeneral Surgery · Spencer2324−4%
10Bettaiah T. Gowda, MDGastroenterology · Davenport2319
13Shashinath K. Chandrahasegowda, MDGastroenterology · Davenport2220+10%
13Ryan B. Perumpail, MDGastroenterology · Bettendorf2216
15Vinaya V. Gaduputi, MDGastroenterology · Clive2128−25%
16Michael D. Obrien, MDGastroenterology · Clive2018
16Amer El Sayed, MDGastroenterology · Iowa City20—
16Mark N. Abraham, MDGeneral Surgery · Carroll2017
19Patrick J. Slattery, MDGeneral Surgery · Spencer1919
20Ramon S. Reyes, MDGastroenterology · West Des Moines1826−31%
21Douglas J. Purdy, MDGastroenterology · Cedar Rapids1716
22Erik D. Brink, DOGeneral Surgery · Mason City16—
22Christopher M. Gibbs, MDGastroenterology · West Des Moines1617
22Srinivas Kalala, MDGastroenterology · Waterloo1618
22Bryan J. Feyen, DOGastroenterology · Ames1631−48%
22Stacey S. Roberts, MDGastroenterology · Clive1618

A rank counts procedures billed under the physician's own NPI (CPT 45378), 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.