Highest-Volume Radiofrequency Ablation — Lumbar Facet Surgeons in Maryland (2026 update)
109 Maryland providers billed Medicare for Radiofrequency Ablation — Lumbar Facet (CPT 64635) 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 | Patrick Callahan, MD | Chestertown, MD | 183 |
| 2 | Vivek Sindhi, MD, MBA | Glen Burnie, MD | 150 |
| 3 | Nathan Moskowitz, M.D., PH.D. | Rockville, MD | 150 |
| 4 | Akhil Chhatre, MD | Baltimore, MD | 147 |
| 5 | Conworth Dayton-Jones, M.D. | Salisbury, MD | 124 |
| 6 | Richard Brouillette, DO | Waldorf, MD | 116 |
| 7 | Vajira Gunawardane, MD | Fulton, MD | 108 |
| 8 | Cheryl Mejia, D.O. | Hagerstown, MD | 108 |
| 9 | Greesh John, M.D | Easton, MD | 102 |
| 10 | Raj Parekh, MD | Hagerstown, MD | 102 |
99 more Maryland 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 Radiofrequency Ablation — Lumbar Facet in Maryland?
- 109 Maryland providers billed Medicare for Radiofrequency Ablation — Lumbar Facet (CPT 64635) 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.