Surgeon profile
John Prenshaw, M.D.
Ophthalmology · Chattanooga, TN 37421NPI 1164869475
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.
594 Medicare cases/yr
393 patients
5 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| Cataract Surgery with IOL CPT 66984 | 365 | ▲ +93% | 206 |
| YAG Laser Capsulotomy CPT 66821 | 133 | ▲ +177% | 126 |
| SLT — Laser Trabeculoplasty CPT 65855 | 38 | ▲ +31% | 24 |
| Complex Cataract Surgery CPT 66982 | 34 | ▲ +70% | 22 |
| Cataract Surgery with MIGS Stent CPT 66991 | 24 | new | 15 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…