Surgeon profile
Alan Mermelstein, MD
Gastroenterology · Phila, PA 19136NPI 1073520458
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.
155 Medicare cases/yr
152 patients
4 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| Upper GI Endoscopy (EGD) with Biopsy CPT 43239 | 64 | ▲ +36% | 62 |
| Colonoscopy with Biopsy CPT 45380 | 48 | ▲ +60% | 47 |
| Colonoscopy with Polypectomy (Snare) CPT 45385 | 26 | ▲ +136% | 26 |
| PEG Feeding Tube Placement CPT 43246 | 17 | new | 17 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…