| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | — | — | — | World's Best Hospitals 2021 by Newsweek | ||
| #2 | 4.6 / 5 (0 reviews) | Madrid, Spain | — | — | — | — | — | Joint Commission International , European Society for Medical Oncology | |
| #3 | 4.6 / 5 (16 reviews) | Madrid, Spain | 31+ years26,000+ treatments | Chemotherapy, targeted therapy, nuclear medicine, robotic surgery | Pediatric neuroblastoma cases | Specializes in pediatric oncology with advanced equipment like Da Vinci Xi robotic system. HM Cancer Center offers targeted therapies and nuclear medicine options. | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate |