Surgeon profile
Ian Duncan, MD
Orthopedic Surgery · Visalia, CA 93277NPI 1982866927
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. Orthopedics & cardiology tracked — more specialties coming.
139 Medicare cases/yr
135 patients
5 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| Total Knee Replacement (TKA) CPT 27447 | 57 | ▼ -23% | 55 |
| Total Hip Replacement (THA) CPT 27130 | 29 | ▲ +32% | 29 |
| Arthroscopic Rotator Cuff Repair CPT 29827 | 20 | ▼ -29% | 19 |
| Knee Arthroscopy — Both Menisci CPT 29880 | 17 | ▲ +21% | 16 |
| Total Shoulder Replacement CPT 23472 | 16 | ▲ +23% | 16 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…