Surgeon profile
Peter Knowlton, M.D.
Ophthalmology · Charleston, SC 29407NPI 1740523604
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.
376 Medicare cases/yr
241 patients
3 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| Cataract Surgery with IOL CPT 66984 | 179 | ▼ -35% | 103 |
| YAG Laser Capsulotomy CPT 66821 | 122 | ▼ -11% | 91 |
| SLT — Laser Trabeculoplasty CPT 65855 | 75 | ▲ +341% | 47 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…