Surgeon profile

Donald Siddoway, MD

Clinical Cardiac Electrophysiology · Columbia, SC 29203NPI 1235392093

Database refreshed July 2026Live NPPES registry· Industry payments CY2025ⓘ sources

Contactverified live in NPPES · Jul 6, 2026

Active NPI8 RICHLAND MEDICAL PARK DR STE 200, COLUMBIA, SC 29203☎ 803-256-6511

Checking live NPPES registry…

Operates atCMS affiliations, refreshed monthly

PRISMA HEALTH RICHLAND HOSPITAL · COLUMBIA, SCPRISMA HEALTH BAPTIST · COLUMBIA, SCPRISMA HEALTH BAPTIST PARKRIDGE · COLUMBIA, SCPRISMA HEALTH TUOMEY HOSPITAL · SUMTER, SC

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Tracked procedure volumes

Latest federal claims release with year-over-year momentum. Orthopedics & cardiology tracked — more specialties coming.

86 Medicare cases/yr

86 patients

3 procedures

Procedure	Cases	Trend	Patients
Pacemaker — Dual Chamber CPT 33208	48	▼ -36%	48
AFib Ablation CPT 93656	26	▲ +100%	26
Leadless Pacemaker Insertion CPT 33274	12	new	12

Industry relationships

CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.

$381 total received, 2025

13 payments

4 manufacturer relationships on file

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Relationship trajectory, 2019–2025

7-year payment trajectory (who's warming up, who's cooling off on this surgeon) is a paid feature. Unlock

Pulling CY2025 industry payments + 7-year history…