Highest-Volume ESWL — Shockwave Lithotripsy Surgeons in Maryland (2026 update)
15 Maryland providers billed Medicare for ESWL — Shockwave Lithotripsy (CPT 50590) 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 | George Mamo, M.D. | Baltimore, MD | 118 |
| 2 | John Danneberger, M.D. | Annapolis, MD | 103 |
| 3 | James Song, M.D. | Forest Hill, MD | 59 |
| 4 | John Kishel, M.D. | Columbia, MD | 46 |
| 5 | Robert Hoofnagle, MD | Bel Air, MD | 33 |
| 6 | Krishna Jayaraman, M.D. | Mechanicsville, MD | 29 |
| 7 | Robert Thompson, MD | Baltimore, MD | 27 |
| 8 | Kevin Hackett, M.D. | Hagerstown, MD | 22 |
| 9 | Shafquat Meraj, M.D. | Waldorf, MD | 18 |
| 10 | Bert Williams, MD | Frederick, MD | 14 |
5 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 ESWL — Shockwave Lithotripsy in Maryland?
- 15 Maryland providers billed Medicare for ESWL — Shockwave Lithotripsy (CPT 50590) 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.