Surgeon profile
Margaret Chang, M.D.
Ophthalmology · Sacramento, CA 95819NPI 1477504405
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.
2,177 Medicare cases/yr
568 patients
2 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| Intravitreal Injection (Anti-VEGF) CPT 67028 | 2,166 | ▼ -7% | 557 |
| Retinal Detachment Repair — Vitrectomy CPT 67108 | 11 | ▼ -21% | 11 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…