| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (440 reviews) | Barcelona, Spain | 43+ years23,000+ treatments | Radiotherapy for lung cancer, Mammography | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | Brain MRI, Consultation with a neurosurgeon | — | — | World's Best Hospitals 2021 by Newsweek | ||
| #3 | 4.6 / 5 (16 reviews) | Madrid, Spain | — | 26,000+ treatments | Radiotherapy for lung cancer, Brain MRI | — | — | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate | |
| #4 | 4.6 / 5 (5 reviews) | Barcelona, Spain | — | — | Radiotherapy for lung cancer | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | |
| #5 | 4.0 / 5 (0 reviews) | Madrid, Spain | — | — | Radiotherapy for lung cancer, Consultation with a neurosurgeon | — | — | — |