| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | CAR T-cell therapy, bone marrow transplantation, chemotherapy, targeted therapy, immunotherapy | Pediatric cases with Philadelphia chromosome–positive ALL | National reference center for CAR T-cell therapy. Offers personalized CAR-T programs and performs the most bone marrow transplants among private hospitals in Spain. | World's Best Hospitals 2021 by Newsweek | ||
| #2 | 2.5 / 5 (0 reviews) | Madrid, Spain | 36+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |