Highest-Volume Transforaminal Epidural Injection — Lumbar Surgeons in Colorado (2026 update)
128 Colorado 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 | Christopher D Ambrosia, M.D. | Denver, CO | 443 |
| 2 | Michael Horner, D.O. | Golden, CO | 392 |
| 3 | Dustin Anderson, MD | Aurora, CO | 320 |
| 4 | Earl Abel, M.D. | Golden, CO | 284 |
| 5 | Matt Gnirke, M.D. | Frisco, CO | 273 |
| 6 | Gary Morris, MD | Greenwood Village, CO | 264 |
| 7 | Bradley Gale, M.D. | Boulder, CO | 257 |
| 8 | Hashim Khan, M.D. | Lone Tree, CO | 233 |
| 9 | James Bainbridge, M.D. | Greenwood Village, CO | 222 |
| 10 | Marchyarn Mahathanaruk, D.O. | Lakewood, CO | 219 |
118 more Colorado 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 Colorado?
- 128 Colorado 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.