Upper endoscopy with biopsy · District of Columbia

Upper endoscopy with biopsy in District of Columbia: the highest-volume physicians

49 physicians in District of Columbia billed Medicare for 2,840 upper endoscopy with biopsy procedures in 2024. The top 25, with the year before beside it.

Procedure State

Top 25

Rank	Physician	2024	2023	Change
1	Javad Khalilzadeh, MDInternal Medicine · Washington	165	202	−18%
2	John E. CarrollGastroenterology · Washington	132	117	+13%
3	Nadim HaddadGastroenterology · Washington	131	118	+11%
4	Walid Chalhoub, MDGastroenterology · Washington	125	139	−10%
5	Thomas M. Loughney, MDGastroenterology · Washington	124	113	+10%
6	Gary W. Thompson, MDGastroenterology · Washington	115	103	+12%
7	Stanley J. Pietrak, MDGastroenterology · Washington	108	109	−1%
7	Bedoor AlabbasGastroenterology · Washington	108	81	+33%
9	Eiman H. Nabi, MDGastroenterology · Washington	96	65	+48%
10	Steven M. Zeddun, MDGastroenterology · Washington	95	105	−10%
11	Ali A. Khan, MD, MPHGastroenterology · Washington	89	11
12	Joseph J. Jennings, MDInternal Medicine · Washington	75	69	+9%
13	Samuel Kallus, MDGastroenterology · Washington	74	51	+45%
14	Danny Shearer, MDGastroenterology · Washington	71	87	−18%
15	Marie L. Borum, MDGastroenterology · Washington	67	91	−26%
16	Ghassan A. Alzayer, MDGastroenterology · Washington	66	68	−3%
17	Shervin Shafa, MDGastroenterology · Washington	65	53	+23%
17	Samuel A. Schueler, MDGastroenterology · Washington	65	53	+23%
19	Hemanth K. Gavini, MDGastroenterology · Washington	62	16
19	Antoinette R. Saddler, MDGastroenterology · Washington	62	18
19	Raymond JanowskiGastroenterology · Washington	62	68	−9%
22	Nikiya O. Asamoah-Clark, MDGastroenterology · Washington	52	43	+21%
22	Julio A. Salcedo, MDGastroenterology · Washington	52	54	−4%
22	Brian M. Kirsh, MDGastroenterology · Washington	52	34	+53%
25	Arthur N. West, MDGastroenterology · Washington	50	61	−18%

A rank counts procedures billed under the physician's own NPI (CPT 43239), 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.