Highest-Volume Pacemaker — Dual Chamber Surgeons in Nevada (2026 update)
20 Nevada providers billed Medicare for Pacemaker — Dual Chamber (CPT 33208) in 2024. The top 10 by case volume are below — the full ranked list, CSV export and competitor-payment intel are available with a DocVol subscription ($199/mo, cancel anytime).
Database refreshed July 2026Live NPPES registryⓘ sources
| # | Surgeon | Location | Medicare cases (2024) |
|---|---|---|---|
| 1 | Nikolaos Tsiouris, M.D. | Las Vegas, NV | 79 |
| 2 | Ali Namazi, MD | Las Vegas, NV | 55 |
| 3 | Shining Sun, MD | Reno, NV | 45 |
| 4 | Daejoon Anh, M.D. | Henderson, NV | 37 |
| 5 | David Smith, M.D. | Reno, NV | 36 |
| 6 | Khawaja Baig, MD | Las Vegas, NV | 31 |
| 7 | Niuton Koide, MD | Las Vegas, NV | 29 |
| 8 | Alban De Schutter, M.D. | Winnemucca, NV | 27 |
| 9 | Nathan Ho, D.O. | Carson City, NV | 24 |
| 10 | Ram Challapalli, M.D. | Reno, NV | 24 |
10 more Nevada surgeons in the full list
Plus: who already pays them (Stryker? Medtronic? Arthrex?), CSV export for your CRM, and every other state and procedure.
Search the full databaseFrequently asked questions
- How many surgeons perform Pacemaker — Dual Chamber in Nevada?
- 20 Nevada providers billed Medicare for Pacemaker — Dual Chamber (CPT 33208) in CY2024. CMS suppresses providers with 10 or fewer Medicare patients, so the true count is somewhat higher.
- Where does this data come from?
- CMS Medicare Physician & Other Practitioners (fee-for-service Part B claims, CY2024, released May 2026) and CMS Open Payments. Both are official U.S. federal datasets.
- Does this include all of a surgeon's cases?
- No — it covers traditional Medicare only (no Medicare Advantage, commercial, or Medicaid claims). Absolute volumes undercount total practice, but the ranking of high- vs low-volume surgeons is a strong targeting signal.