Surgeon profile
Sam Chang, MD
Urology · Nashville, TN 37232NPI 1922107358
Database refreshed July 2026Live NPPES registry· Industry payments CY2025ⓘ sources
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Tracked procedure volumes
Latest federal claims release with year-over-year momentum. Eight device-heavy specialties tracked — more coming.
52 Medicare cases/yr
48 patients
2 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| TURBT — Bladder Tumor Resection CPT 52235 | 28 | ≈ flat | 24 |
| Robotic Radical Prostatectomy CPT 55866 | 24 | ▼ -8% | 24 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…