| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 5.0 / 5 (3) | Madrid, Spain | — | — | Coronary angiography, Echocardiography | — | — | Joint Commission International , International Organization for Standardization | |
| #2 | 4.9 / 5 | Madrid, Spain | — | — | Endovenous radiofrequence ablation (EVRF) | — | — | European Society of Human Reproduction and Embryology, Fellow, American College of Surgeons |