Surgeon profile
John Flatter, M.D.
Ophthalmology · Wausau, WI 54403NPI 1780071662
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.
626 Medicare cases/yr
407 patients
4 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| Cataract Surgery with IOL CPT 66984 | 473 | ≈ flat | 277 |
| YAG Laser Capsulotomy CPT 66821 | 97 | ▲ +41% | 93 |
| Complex Cataract Surgery CPT 66982 | 29 | ▲ +32% | 20 |
| Cataract Surgery with MIGS Stent CPT 66991 | 27 | new | 17 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…