Surgeon profile

Walt Marquardt, MD

Interventional Cardiology · Sacramento, CA 95819NPI 1881766962

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

Contactverified live in NPPES · Jul 6, 2026

Active NPI3941 J STREET, SACRAMENTO, CA 95819☎ 916-736-2323

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Operates atCMS affiliations, refreshed monthly

MERCY GENERAL HOSPITAL · SACRAMENTO, CASIERRA NEVADA MEMORIAL HOSPITAL · GRASS VALLEY, CAMETHODIST HOSPITAL OF SACRAMENTO · SACRAMENTO, CAWOODLAND MEMORIAL HOSPITAL · WOODLAND, CAMERCY HOSPITAL OF FOLSOM · FOLSOM, CA

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Tracked procedure volumes

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

302 Medicare cases/yr

267 patients

2 procedures

Procedure	Cases	Trend	Patients
Coronary Stent Placement CPT 92928	159	▲ +15%	124
Diagnostic Cardiac Cath (Left Heart) CPT 93458	143	▼ -8%	143

Industry relationships

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

$3,735 total received, 2025

84 payments

10 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…