Surgeon profile
Timothy Walker, M.D.
Orthopedic Surgery · Sioux Falls, SD 57104NPI 1275530644
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. Orthopedics & cardiology tracked — more specialties coming.
186 Medicare cases/yr
184 patients
4 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| Total Knee Replacement (TKA) CPT 27447 | 107 | ≈ flat | 105 |
| Total Hip Replacement (THA) CPT 27130 | 46 | ▼ -25% | 46 |
| Knee Arthroscopy — Meniscectomy CPT 29881 | 21 | ▲ +24% | 21 |
| Revision Knee — All Components CPT 27487 | 12 | new | 12 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…