Highest-Volume Radiofrequency Ablation — Lumbar Facet Surgeons in New Hampshire (2026 update)
33 New Hampshire 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 | Anh Ngo, M.D. | Newington, NH | 162 |
| 2 | Robert Lehn, MD | Portsmouth, NH | 115 |
| 3 | Asteghik Hacobian, MD | Barrington, NH | 106 |
| 4 | Jan Slezak, MD | Barrington, NH | 86 |
| 5 | Mitchell Bosman, MD | Manchester, NH | 70 |
| 6 | George Lantz, DO | Lebanon, NH | 60 |
| 7 | Graham Wagner, M.D. | Lebanon, NH | 58 |
| 8 | Edward Doherty, M.D. | Nashua, NH | 46 |
| 9 | Jessica Mack, MD | Concord, NH | 46 |
| 10 | Thomas Frates, MD | Bedford, NH | 45 |
23 more New Hampshire 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 New Hampshire?
- 33 New Hampshire 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.