Surgeon profile
David Walker, DO
Internal Medicine · Sheridan, WY 82801NPI 1639142508
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.
110 Medicare cases/yr
109 patients
3 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| Colonoscopy with Biopsy CPT 45380 | 67 | ▲ +40% | 66 |
| Upper GI Endoscopy (EGD) with Biopsy CPT 43239 | 29 | ▼ -31% | 29 |
| Colonoscopy with Polypectomy (Snare) CPT 45385 | 14 | new | 14 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…