Highest-Volume TAVR — Transfemoral Surgeons in Maryland (2026 update)
44 Maryland providers billed Medicare for TAVR — Transfemoral (CPT 33361) 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 | Diljon Chahal, MD | Baltimore, MD | 118 |
| 2 | John Trujillo, M.D. | Germantown, MD | 114 |
| 3 | Daniel Ambinder, M.D. | Baltimore, MD | 102 |
| 4 | Douglas Anderson, D.O. | Baltimore, MD | 85 |
| 5 | Matthew Czarny, M.D. | Baltimore, MD | 78 |
| 6 | Rani Hasan, MD | Baltimore, MD | 71 |
| 7 | Hamza Aziz, M.D. | Baltimore, MD | 70 |
| 8 | Trevor Ellison, M.D., PH.D., MBA | Baltimore, MD | 67 |
| 9 | Syed Zaidi, M.D. | Towson, MD | 64 |
| 10 | Lindsey Prescher, D.O. | Bethesda, MD | 60 |
34 more Maryland 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 TAVR — Transfemoral in Maryland?
- 44 Maryland providers billed Medicare for TAVR — Transfemoral (CPT 33361) 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.