| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 5.0 / 5 (3) | Madrid, Spain | — | — | Consultation with an oncologist, PET/CT | — | — | Joint Commission International , International Organization for Standardization | |
| #2 | 3.8 / 5 (6) | Madrid, Spain | 29+ years | Mammography, Male Check-up | — | — | World's Best Hospitals 2021 by Newsweek | ||
| #3 | 4.7 / 5 (17) | Madrid, Spain | — | 26,000+ treatments | Biopsy, Brain MRI | — | — | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate | |
| #4 | 4.0 / 5 | Madrid, Spain | — | — | Consultation with a neurosurgeon | — | — | — | |
| #5 | 4.9 / 5 | Madrid, Spain | — | Radiofrequency ablation | — | — | European Society of Human Reproduction and Embryology, Fellow, American College of Surgeons |