| 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 | — | — | Cardiac surgery, HeartPort technique, minimally invasive procedures | Complex cardiac conditions | Performed Spain's first heart-lung transplant. Uses HeartPort technique for reduced recovery time. JCI-accredited for quality and safety. | Joint Commission International , European Society for Medical Oncology |