| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 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 |