| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (438 reviews) | Barcelona, Spain | 34+ years23,000+ treatments | Minimally invasive CABG, robotic CABG, bloodless cardiac surgery | Complex heart surgery cases | Offers minimally invasive and robotic CABG with a specialized cardiac team. Dr. Xavier Ruyra has 32+ years of experience and performed 1,100+ procedures. JCI-accredited facility with a 98.2% postoperative survival rate. | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 3.8 / 5 (6 reviews) | Madrid, Spain | 29+ years | Coronary artery bypass grafting, Consultation with a heart surgeon | — | — | World's Best Hospitals 2021 by Newsweek | ||
| #3 | 4.4 / 5 (6 reviews) | Barcelona, Spain | 38+ years | Coronary artery bypass grafting | — | — | Joint Commission International | ||
| #4 | 5.0 / 5 (6 reviews) | Pamplona, Spain | — | — | Coronary artery bypass grafting | — | — | Joint Commission International , European Society for Medical Oncology | |
| #5 | 4.6 / 5 (5 reviews) | Barcelona, Spain | 36+ years | Coronary artery bypass grafting | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |