Highest-Volume SLT — Laser Trabeculoplasty Surgeons in Iowa (2026 update)
20 Iowa providers billed Medicare for SLT — Laser Trabeculoplasty (CPT 65855) 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 | Syed Husain, M.D. | Des Moines, IA | 185 |
| 2 | Benjamin Mason, M.D.. | Waterloo, IA | 62 |
| 3 | Lorna Grant, M.D. | Iowa City, IA | 43 |
| 4 | Christy Benson, M.D. | Des Moines, IA | 40 |
| 5 | Ryan Vincent, M.D. | Ames, IA | 35 |
| 6 | Melissa Summerfield | Mason City, IA | 35 |
| 7 | Brandt Riley, DO | Mason City, IA | 35 |
| 8 | Andrew Steffensmeier, M.D. | West Des Moines, IA | 32 |
| 9 | Nicolas Hamouche, M.D. | Ames, IA | 31 |
| 10 | Chris Watts, M.D. | Iowa City, IA | 25 |
10 more Iowa 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 SLT — Laser Trabeculoplasty in Iowa?
- 20 Iowa providers billed Medicare for SLT — Laser Trabeculoplasty (CPT 65855) 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.