| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | — | Coronary artery bypass grafting, valve-sparing aortic root replacement, heart valve surgery | Complex valve procedures and minimally invasive approaches | Recognized among World's Best Hospitals 2021 by Newsweek for heart valve replacement expertise. Performs 80% of bypass surgeries without artificial circulation. Highest number of heart surgeries in Spain. | World's Best Hospitals 2021 by Newsweek | |
| #2 | 4.5 / 5 (0 reviews) | Madrid, Spain | — | — | Heart Surgery | — | — | Joint Commission International , International Organization for Standardization | |
| #3 | 5.0 / 5 (5 reviews) | Madrid, Spain | — | — | Complete blood count, ECG | — | — | The American Society for Aesthetic Plastic Surgery, Sociedad Espanola de Cirugia Plastica Reparadora y Estetica | |
| #4 | 4.6 / 5 (16 reviews) | Madrid, Spain | — | 26,000+ treatments | Angiology and vascular surgery, cardiology, hemodynamics, coronary artery disease treatment, cardiac rehabilitation | Coronary artery disease and cardiac rehabilitation | One of Spain's largest cardiovascular centers, serving 12,000 outpatients and 3,000 inpatients annually. Features Madrid's only robot-assisted electrophysiological heart examination lab. | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate | |
| #5 | 4.0 / 5 (0 reviews) | Madrid, Spain | — | — | Heart Surgery | — | — | — | |
| #6 | 2.8 / 5 (0 reviews) | Madrid, Spain | — | — | Heart Surgery | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | |
| #7 | — / 5 (0 reviews) | Madrid, Spain | 43+ years | Heart valve replacement, coronary artery bypass grafting, aorta aneurysm surgery, coronary stenting, pacemaker installation | Complex cardiac interventions | First private Spanish hospital with DIN-EN-ISO certification. Provides full-range cardiac procedures including open heart surgery and minimally invasive techniques. Pediatric cardiology unit available. | International Organization for Standardization, European Foundation for Quality Management |