Surgeon profile
Peter Chang Sing, M.D.
Clinical Cardiac Electrophysiology · Santa Rosa, CA 95405NPI 1386678902
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.
262 Medicare cases/yr
259 patients
5 procedures
| Procedure | Cases | Trend | Patients |
|---|---|---|---|
| AFib Ablation CPT 93656 | 169 | ▲ +11% | 166 |
| Pacemaker — Dual Chamber CPT 33208 | 30 | ▼ -41% | 30 |
| SVT Ablation CPT 93653 | 28 | ▼ -10% | 28 |
| ICD Implant with Leads CPT 33249 | 22 | ▼ -33% | 22 |
| Leadless Pacemaker Insertion CPT 33274 | 13 | ▲ +8% | 13 |
Industry relationships
CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.
Pulling CY2025 industry payments + 7-year history…