| 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 | Consultation with a hematologist | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #2 | 2.5 / 5 (0 reviews) | Madrid, Spain | 27+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | ||
| #3 | 5.0 / 5 (6 reviews) | Pamplona, Spain | — | Chemotherapy, bone marrow transplantation, immunotherapy | Complex blood disorders | Specializes in thrombocytopenia with Prof. Jesus San Miguel leading hematology program. JCI-accredited hospital with 700,000+ patients treated from 70 countries. | Joint Commission International , European Society for Medical Oncology |