Highest-Volume Lumbar Fusion — Combined (TLIF/PLIF) Surgeons in Iowa (2026 update)
12 Iowa providers billed Medicare for Lumbar Fusion — Combined (TLIF/PLIF) (CPT 22633) 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 | Joshua Barber, MD | Cedar Rapids, IA | 41 |
| 2 | William Samuelson, M.D. | Sioux City, IA | 40 |
| 3 | Trevor Schmitz, M.D. | Des Moines, IA | 37 |
| 4 | Myles Luszczyk, D.O. | Bettendorf, IA | 34 |
| 5 | Brett Rosenthal, MD | Des Moines, IA | 24 |
| 6 | Satoshi Yamaguchi, MD | Iowa City, IA | 24 |
| 7 | Zachary Ries, M.D. | West Des Moines, IA | 21 |
| 8 | Russell Buchanan, M.D. | Waterloo, IA | 17 |
| 9 | Jangbo Lee, MD | Iowa City, IA | 16 |
| 10 | Hiroyuki Oya, MD | Iowa City, IA | 13 |
2 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 Lumbar Fusion — Combined (TLIF/PLIF) in Iowa?
- 12 Iowa providers billed Medicare for Lumbar Fusion — Combined (TLIF/PLIF) (CPT 22633) 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.