Surgeon profile
John Hahn, M.D.
Ophthalmology · Sterling, IL 61081NPI 1548260961
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. Eight device-heavy specialties tracked — more coming.
1,118 Medicare cases/yr
344 patients
4 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| Cataract Surgery with IOL CPT 66984 | 852 | ▲ +30% | 205 |
| Complex Cataract Surgery CPT 66982 | 140 | ▲ +54% | 39 |
| YAG Laser Capsulotomy CPT 66821 | 92 | ▼ -12% | 88 |
| Cataract Surgery with MIGS Stent CPT 66991 | 34 | ▲ +70% | 12 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…