Surgeon profile
John Markley, M.D.
Cardiac Surgery · Columbia, MO 65212NPI 1932190980
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. Orthopedics & cardiology tracked — more specialties coming.
48 Medicare cases/yr
48 patients
2 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| TAVR — Transfemoral CPT 33361 | 32 | ▼ -40% | 32 |
| Transcatheter Mitral Repair (Clip) CPT 33418 | 16 | new | 16 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…