Surgeon profile
Sivakumar Munnangi, M.D.
Gastroenterology · Merced, CA 95348NPI 1447432463
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.
628 Medicare cases/yr
619 patients
3 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| Upper GI Endoscopy (EGD) with Biopsy CPT 43239 | 304 | ▼ -32% | 296 |
| Colonoscopy with Polypectomy (Snare) CPT 45385 | 195 | ▼ -26% | 195 |
| Colonoscopy with Biopsy CPT 45380 | 129 | ▼ -15% | 128 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…