Highest-Volume Transforaminal Epidural Injection — Lumbar Surgeons in Arizona (2026 update)
197 Arizona providers billed Medicare for Transforaminal Epidural Injection — Lumbar (CPT 64483) 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 | Matthew Crooks, MD | Scottsdale, AZ | 829 |
| 2 | Clifford Baker, M.D | Sun City, AZ | 641 |
| 3 | Daniel Kreiner, MD | Phoenix, AZ | 483 |
| 4 | Eric Feldman, MD | Sun City West, AZ | 464 |
| 5 | Timothy Sanford, MD | Chandler, AZ | 460 |
| 6 | Kyung Chen, MD | Tucson, AZ | 451 |
| 7 | Marshall Meier, M.D. | Flagstaff, AZ | 444 |
| 8 | John Paul Malayil, M.D. | Sun City West, AZ | 432 |
| 9 | Nathan Swain, D.O. | Flagstaff, AZ | 378 |
| 10 | Jacob Rohrs, M.D. | Scottsdale, AZ | 356 |
187 more Arizona 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 Transforaminal Epidural Injection — Lumbar in Arizona?
- 197 Arizona providers billed Medicare for Transforaminal Epidural Injection — Lumbar (CPT 64483) 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.