Highest-Volume ESWL — Shockwave Lithotripsy Surgeons in Massachusetts (2026 update)
19 Massachusetts 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 | Michael Zachareas, M.D. | Beverly, MA | 112 |
| 2 | Ned Saltzman, M.D. | Newton, MA | 67 |
| 3 | Stephen Gillard, MD | Plymouth, MA | 48 |
| 4 | Mark Laspina, D.O. | Salem, MA | 48 |
| 5 | Brian Saltzman, M.D. | Newton Lower Falls, MA | 41 |
| 6 | Andrew Kim, MD | Springfield, MA | 41 |
| 7 | Liam Hurley, MD | North Andover, MA | 37 |
| 8 | Ossama Sakr, M.D. | North Andover, MA | 22 |
| 9 | Graeme Steele, MD | Boston, MA | 18 |
| 10 | Steven Previte, M.D. | North Andover, MA | 18 |
9 more Massachusetts 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 Massachusetts?
- 19 Massachusetts 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.