Surgical Volume

Heart bypass (CABG) · Tennessee

Heart bypass (CABG) in Tennessee: the highest-volume physicians

44 physicians in Tennessee billed Medicare for 1,328 heart bypass (CABG) procedures in 2024. The top 27, with the year before beside it.

Top 27

RankPhysician20242023Change
1Ashok N. Babu, MDThoracic Surgery · Nashville10685+25%
2Clayton A. Kaiser, MDCardiac Surgery · Nashville8186−6%
3Amber M. Edwards, MDThoracic Surgery · Nashville7377−5%
4Bradley A. Wolf, MDCardiology · Memphis7277−6%
5Rachel E. Harrison, MDCardiac Surgery · Memphis5825+132%
6Billy D. Parsons, MDThoracic Surgery · Cookeville5537+49%
7Harvey E. Garrett, MDCardiac Surgery · Memphis5267−22%
8Chandrashekhar Ramaiah, MDThoracic Surgery · Nashville5157−11%
9Timothy J. Powell, MDCardiac Surgery · Cookeville4831+55%
10V S. Reddy, MDThoracic Surgery · Nashville3947−17%
11Larry L. Shears, MDThoracic Surgery · Chattanooga3824+58%
12William W. Mcalexander, MDThoracic Surgery · Knoxville3329+14%
12Eric M. Sievers, MDThoracic Surgery · Jackson3346−28%
14John M. Trahanas, MDGeneral Surgery · Nashville3236−11%
15Aaron L. Hoffman, MDThoracic Surgery · Murfreesboro3119
16Brett A. Melnikoff, MDThoracic Surgery · Chattanooga29—
16Wilson M. Clements, MDCardiac Surgery · Chattanooga2924+21%
16Sreekumar Subramanian, MDCardiac Surgery · Nashville2912
19Norbert E. Baumgartner, MDCardiology · Knoxville2833−15%
20Ashish Shah, MDCardiac Surgery · Nashville2224−8%
20James L. Zellner, MDCardiac Surgery · Chattanooga2225−12%
22John M. Hance, MD, MPHThoracic Surgery · Knoxville2114
22John M. Craig, MDThoracic Surgery · Chattanooga2124−12%
22John Murray, MDCardiac Surgery · Knoxville21—
25Raymond A. Dieter, MDCardiac Surgery · Knoxville2024−17%
25Duc Q. Nguyen, MDCardiac Surgery · Nashville2013
25William A. Walker, MDGeneral Surgery · Knoxville2064−69%

A rank counts procedures billed under the physician's own NPI (CPT 33533), 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.