| 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 | Heart valve replacement, minimally invasive cardiac surgery, Ross procedure, transcatheter valve procedures, aortic valve repair, bloodless cardiac surgery | Complex aortic valve repairs | JCI-accredited cardiac surgery center with 10,000+ heart procedures performed. Dr. Xavier Ruyra specializes in minimally invasive valve repairs and holds patents for valve repair technologies. | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 3.8 / 5 (6 reviews) | Madrid, Spain | 29+ years | — | — | — | World's Best Hospitals 2021 by Newsweek | ||
| #3 | 5.0 / 5 (6 reviews) | Pamplona, Spain | — | — | Heart valve replacement | Complex cardiac procedures | First hospital in Spain with JCI certification for cardiac surgery. Specializes in complex cases with over 700,000 patients treated. | Joint Commission International , European Society for Medical Oncology | |
| #4 | 4.6 / 5 (5 reviews) | Barcelona, Spain | 36+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |