| 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 mitral valve repair, mitral valve replacement, MitraClip procedure | Complex mitral valve cases | Dr. Ruyra has performed 3,000+ valve surgeries and holds patents for mitral valve repair techniques. Clinic offers minimally invasive options with 4.7 patient satisfaction rating. | 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 valve conditions | JCI-accredited cardiac surgery center with experience in advanced valve procedures. Performed Spain's first heart-lung transplant. | 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 |