Pacemaker implant in Colorado: the highest-volume physicians
34 physicians in Colorado billed Medicare for 734 pacemaker implant procedures in 2024. The top 29, with the year before beside it.
Top 29
| Rank | Physician | 2024 | 2023 | Change |
|---|---|---|---|---|
| 1 | Oussama Lawand, MDClinical Cardiac Electrophysiology · Boulder | 48 | 40 | +20% |
| 2 | Charles T. Johnson, MDClinical Cardiac Electrophysiology · Fort Collins | 37 | 41 | −10% |
| 3 | Eric Riles, MDClinical Cardiac Electrophysiology · Loveland | 35 | 16 | |
| 4 | Richard G. Garmany, MDCardiology · Grand Junction | 34 | 27 | +26% |
| 5 | Christine M. Tompkins, MDClinical Cardiac Electrophysiology · Aurora | 31 | 33 | −6% |
| 6 | Margot E. Vloka, MDClinical Cardiac Electrophysiology · Aurora | 30 | 54 | −44% |
| 6 | Charles W. Stout, MDClinical Cardiac Electrophysiology · Pueblo | 30 | 25 | +20% |
| 8 | Charles E. Fuenzalida, MDClinical Cardiac Electrophysiology · Aurora | 28 | 33 | −15% |
| 9 | Christopher P. Porterfield, MD FACCCardiology · Aurora | 27 | 22 | +23% |
| 10 | John W. Moore, MDClinical Cardiac Electrophysiology · Grand Junction | 25 | 32 | −22% |
| 11 | Russell R. Heath, MDClinical Cardiac Electrophysiology · Fort Collins | 24 | 11 | |
| 11 | Sunil Nath, MDClinical Cardiac Electrophysiology · Colorado Springs | 24 | 33 | −27% |
| 13 | Christopher A. Groh, MDCardiology · Loveland | 23 | — | |
| 13 | Kathleen H. Brown, MDClinical Cardiac Electrophysiology · Pueblo | 23 | 21 | +10% |
| 13 | Nelson A. Prager, MDInterventional Cardiology · Aurora | 23 | 28 | −18% |
| 16 | Jason Huang, MDCardiology · Denver | 22 | 28 | −21% |
| 17 | Samvel G. Aznaurov, MDClinical Cardiac Electrophysiology · Boulder | 21 | 15 | |
| 18 | Shu C. Chang, MDCardiology · Colorado Springs | 19 | 15 | |
| 19 | Jehu S. Mathew, MDClinical Cardiac Electrophysiology · Littleton | 18 | 30 | −40% |
| 19 | Maria T. Anderson, MDClinical Cardiac Electrophysiology · Boulder | 18 | 32 | −44% |
| 21 | David F. Katz, MDClinical Cardiac Electrophysiology · Fort Collins | 16 | 24 | −33% |
| 21 | Stephen T. Crowley, MDCardiology · Aurora | 16 | — | |
| 21 | Christopher R. Cole, MDCardiology · Colorado Springs | 16 | 15 | |
| 21 | Shane B. Rowan, MDClinical Cardiac Electrophysiology · Longmont | 16 | 29 | −45% |
| 25 | William C. Choe, MDClinical Cardiac Electrophysiology · Littleton | 14 | 28 | −50% |
| 25 | Alexis Z. Tumolo, MDCardiology · Denver | 14 | 12 | |
| 25 | Ganesh S. Venkataraman, MDInternal Medicine · Lakewood | 14 | 18 | |
| 25 | Srikanth A. Sundaram, MDClinical Cardiac Electrophysiology · Littleton | 14 | 13 | |
| 25 | Raphael K. Sung, MDClinical Cardiac Electrophysiology · Denver | 14 | 18 |
A rank counts procedures billed under the physician's own NPI (CPT 33208, 33207, 33206), 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.