| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (438 reviews) | Barcelona, Spain | 39+ years1,000+ treatments | Immunotherapy for breast cancer, Breast cancer surgery | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 4.4 / 5 (6 reviews) | Barcelona, Spain | 38+ years | Gastroectomy, Robotic da Vinci prostatectomy | — | — | Joint Commission International | ||
| #3 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | — | Hysterectomy (uterus removal), Allogenic bone marrow transplantation from an unrelated donor | — | — | World's Best Hospitals 2021 by Newsweek | |
| #4 | 4.8 / 5 (41 reviews) | Barcelona, Spain | 30+ years14,000+ treatments | Nephrectomy, Allogenic bone marrow transplantation from a related donor | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | ||
| #5 | 4.6 / 5 (16 reviews) | Madrid, Spain | — | 26,000+ treatments | Radiotherapy for lung cancer, Radiosurgery of a brain tumor | — | — | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate | |
| #6 | 2.5 / 5 (0 reviews) | Madrid, Spain | 36+ years | PET/CT | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | ||
| #7 | 5.0 / 5 (6 reviews) | Pamplona, Spain | — | — | Allogenic bone marrow transplantation from an unrelated donor, High intensity focused ultrasound ablation (HIFU) | — | — | Joint Commission International , European Society for Medical Oncology | |
| #8 | 4.6 / 5 (5 reviews) | Barcelona, Spain | — | — | PET/CT | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |