Surgeon profile
Sidney Chang, MD
Ophthalmology · San Diego, CA 92103NPI 1790888006
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, ophthalmology & urology tracked — more specialties coming.
610 Medicare cases/yr
423 patients
4 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| Cataract Surgery with IOL CPT 66984 | 445 | ▲ +9% | 271 |
| YAG Laser Capsulotomy CPT 66821 | 111 | ▼ -7% | 109 |
| Complex Cataract Surgery CPT 66982 | 37 | ▼ -27% | 30 |
| Cataract Surgery with MIGS Stent CPT 66991 | 17 | ▼ -41% | 13 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…