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Surgeon profile

Sam Chang, MD

Urology · Nashville, TN 37232NPI 1922107358

Database refreshed July 2026Live NPPES registry· Industry payments CY2025ⓘ sources

Checking live NPPES registry…

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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
ProcedureCasesTrendPatients
TURBT — Bladder Tumor Resection CPT 5223528≈ flat24
Robotic Radical Prostatectomy CPT 5586624-8%24

Industry relationships

CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.

Pulling CY2025 industry payments + 7-year history…