Surgical Volume

Colonoscopy (diagnostic) · District of Columbia

Colonoscopy (diagnostic) in District of Columbia: the highest-volume physicians

23 physicians in District of Columbia billed Medicare for 438 colonoscopy (diagnostic) procedures in 2024. The top 23, with the year before beside it.

Top 23

RankPhysician20242023Change
1Ira D. Shocket, MDGastroenterology · Washington4236+17%
2Javad Khalilzadeh, MDInternal Medicine · Washington3140−22%
3Thomas M. Loughney, MDGastroenterology · Washington3024+25%
4Gary W. Thompson, MDGastroenterology · Washington2724+13%
4Steven M. Zeddun, MDGastroenterology · Washington2719
6Marie L. Borum, MDGastroenterology · Washington2320+15%
7Raymond JanowskiGastroenterology · Washington2116
8Susan D. Stein, MDColorectal Surgery (Proctology) · Washington1921−10%
8Samuel Kallus, MDGastroenterology · Washington19—
10Julio A. Salcedo, MDGastroenterology · Washington1815
10Brian M. Kirsh, MDGastroenterology · Washington1816
12Momodu A. Jack, MDGastroenterology · Washington1714
13John E. CarrollGastroenterology · Washington1613
14Walid Chalhoub, MDGastroenterology · Washington1531−52%
14Jeffery M. Nelson, MDColorectal Surgery (Proctology) · Washington15—
16Ghassan A. Alzayer, MDGastroenterology · Washington1418
16Bedoor AlabbasGastroenterology · Washington1416
18Nikiya O. Asamoah-Clark, MDGastroenterology · Washington1314
18Dhvani Shah, MDGastroenterology · Washington13—
20Antoinette R. Saddler, MDGastroenterology · Washington12—
20Shervin Shafa, MDGastroenterology · Washington12—
22Angela HsuGastroenterology · Washington11—
22Getachew Mekasha, MD, PHDGastroenterology · Washington1112

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.