| 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 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 |