Surgeon profile
Timothy Chang, MD
Urology · Stanford, CA 94305NPI 1437594496
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.
95 Medicare cases/yr
78 patients
2 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| Ureteral Stent Placement CPT 52332 | 55 | ▲ +41% | 44 |
| Ureteroscopy with Laser Lithotripsy CPT 52356 | 40 | ▲ +43% | 34 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…