| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (494) | Barcelona, Spain | 43+ years23,000+ treatments | Radiation therapy for brain tumor, Thyroid function tests (including T3, T4, TSH) | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 5.0 / 5 (3) | Madrid, Spain | — | — | Consultation with an oncologist, Brain MRI | — | — | Joint Commission International , International Organization for Standardization | |
| #3 | 4.7 / 5 (44) | Barcelona, Spain | — | 14,000+ treatments | Consultation with an oncologist, Brain MRI | — | Uses a Precision Oncology Program with Heidelberg-certified methylation profiling to personalize brain tumor radiation therapy. On-site radiopharmacy produces therapeutic radiopharmaceuticals. | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #4 | 4.7 / 5 (17) | Madrid, Spain | 39+ years26,000+ treatments | Brain MRI, MRI of one area | — | — | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate | ||
| #5 | 4.0 / 5 | Madrid, Spain | — | — | Radiation therapy for brain tumor, Consultation with a neurosurgeon | — | — | — |