| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.8 / 5 (41 reviews) | Barcelona, Spain | — | 14,000+ treatments | Online Consultation with Oncologist, Consultation with an oncologist | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #2 | 4.6 / 5 (16 reviews) | Madrid, Spain | — | 26,000+ treatments | Extended analysis of blood, Biochemical blood analysis | — | — | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate |