Lumpectomy in Arizona: the highest-volume physicians
37 physicians in Arizona billed Medicare for 1,329 lumpectomy procedures in 2024. The top 26, with the year before beside it.
Top 26
| Rank | Physician | 2024 | 2023 | Change |
|---|---|---|---|---|
| 1 | Stephanie C. Byrum, MDGeneral Surgery · Gilbert | 97 | 104 | −7% |
| 2 | Kelly J. Rosso, MDSurgical Oncology · Sun City West | 73 | 53 | +38% |
| 3 | Barbara A. Pockaj, MDGeneral Surgery · Phoenix | 68 | 63 | +8% |
| 4 | Sivakami B. Moorthy, DOSurgical Oncology · Glendale | 66 | 65 | +2% |
| 5 | Rebecca K. Viscusi, MDGeneral Surgery · Tucson | 65 | 53 | +23% |
| 6 | Julie A. Billar, MDSurgical Oncology · Gilbert | 59 | 34 | +74% |
| 7 | Grace Hou, MDGeneral Surgery · Tucson | 54 | 70 | −23% |
| 8 | Kimberli S. Cox, MDGeneral Surgery · Peoria | 51 | 37 | +38% |
| 8 | Edgar H. Hernandez, MDGeneral Surgery · Chandler | 51 | 40 | +28% |
| 10 | Brittany L. Murphy, MDSurgical Oncology · Gilbert | 50 | 44 | +14% |
| 10 | Sommer R. Gunia, DOGeneral Surgery · Scottsdale | 50 | 53 | −6% |
| 12 | Janice S. Angeles, DOGeneral Surgery · Peoria | 44 | 34 | +29% |
| 13 | Noemi M. Sigalove, MDGeneral Surgery · Scottsdale | 42 | 34 | +24% |
| 14 | Peter Cheung, MDGeneral Surgery · Yuma | 41 | 40 | +3% |
| 15 | Kate Preston, MDGeneral Surgery · Flagstaff | 38 | 14 | |
| 16 | Jason T. Wiseman, MD, MSPHSurgical Oncology · Phoenix | 37 | 12 | |
| 17 | Patricia A. Cronin, MDGeneral Surgery · Scottsdale | 34 | 33 | +3% |
| 18 | Michele L. Boyce Ley, MDSurgical Oncology · Tucson | 31 | 36 | −14% |
| 19 | Linda L. Liu, MDGeneral Surgery · Sedona | 29 | 19 | |
| 19 | Theresa W. Chan, MDGeneral Surgery · Scottsdale | 29 | 31 | −6% |
| 21 | Richard J. Bold, MDSurgical Oncology · Scottsdale | 26 | 16 | |
| 22 | Rashmi P. Vaidya, MDGeneral Surgery · Glendale | 25 | 15 | |
| 23 | Emily T. Ho, MDGeneral Surgery · Mesa | 24 | 34 | −29% |
| 24 | Victor J. Zannis, MDGeneral Surgery · Phoenix | 23 | 49 | −53% |
| 24 | Christi S. Bourne, MDGeneral Surgery · Phoenix | 23 | 18 | |
| 24 | Ursula V. Roeder, MDGeneral Surgery · Tucson | 23 | 26 | −12% |
A rank counts procedures billed under the physician's own NPI (CPT 19301), 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.