Highest-Volume ESWL — Shockwave Lithotripsy Surgeons in Iowa (2026 update)
8 Iowa 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 | Fawad Zafar, M.D. | West Des Moines, IA | 21 |
| 2 | Ryan Schulte, MD | Des Moines, IA | 15 |
| 3 | Mark Kellerman, M.D. | Clive, IA | 13 |
| 4 | Christopher Meier | Iowa City, IA | 13 |
| 5 | David Christ, M.D. | Spencer, IA | 12 |
| 6 | Ryan Dornbier | Clive, IA | 12 |
| 7 | Richard Glowacki, M.D. | Des Moines, IA | 11 |
| 8 | Jonathan Rippentrop, MD | Cedar Rapids, IA | 11 |
Frequently asked questions
- How many surgeons perform ESWL — Shockwave Lithotripsy in Iowa?
- 8 Iowa 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.