Surgeon profile
Dianna Liu, M.D.
Ophthalmology · Saint Charles, MO 63301NPI 1477830511
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.
105 Medicare cases/yr
75 patients
3 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| Cataract Surgery with IOL CPT 66984 | 46 | ▼ -19% | 28 |
| SLT — Laser Trabeculoplasty CPT 65855 | 37 | ▼ -7% | 30 |
| YAG Laser Capsulotomy CPT 66821 | 22 | ▲ +47% | 17 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…