Surgeon profile
John Marshall, MD
Anesthesiology · Peoria, IL 61615NPI 1144219171
Database refreshed July 2026Live NPPES registry· Industry payments CY2025ⓘ sources
Checking live NPPES registry…
Loading hospital affiliations…
Tracked procedure volumes
Latest federal claims release with year-over-year momentum. Eight device-heavy specialties tracked — more coming.
394 Medicare cases/yr
255 patients
2 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| Transforaminal Epidural Injection — Lumbar CPT 64483 | 375 | ≈ flat | 237 |
| Radiofrequency Ablation — Lumbar Facet CPT 64635 | 19 | ▲ +46% | 18 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…