| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (445 reviews) | Barcelona, Spain | — | 23,000+ treatments | CyberKnife, Multiple subpial transections | — | — | Joint Commission International , European Foundation for Quality Management | |
| #2 | 4.5 / 5 (0 reviews) | Madrid, Spain | — | — | Gamma Knife | — | — | Joint Commission International , International Organization for Standardization | |
| #3 | 4.8 / 5 (41 reviews) | Barcelona, Spain | — | 14,000+ treatments | Bone marrow transplantation, Nephrectomy | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #4 | 4.6 / 5 (16 reviews) | Madrid, Spain | 50+ years26,000+ treatments | Lobectomy, Radiation therapy for brain tumor | — | — | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate |