| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (485 reviews) | Barcelona, Spain | — | 23,000+ treatments | Proton therapy, CAR T-Cell therapy, immunotherapy, sarcoma treatment, advanced diagnostics | Pediatric cancers like retinoblastoma and rhabdomyosarcoma | Spain's only proton therapy center for pediatric cancers. Offers CAR T-Cell therapy and specialized sarcoma treatments. JCI-accredited oncology unit with advanced imaging capabilities. | Joint Commission International , European Foundation for Quality Management | |
| #2 | 4.4 / 5 (5 reviews) | Marbella, Spain | — | — | Radiotherapy with CT and MRI integration planning, outpatient radiotherapy programs | Pediatric oncology patients needing radiotherapy | Provides comprehensive radiotherapy with CT and MRI integration planning. JCI-accredited facility with multilingual support and daily sessions. Part of Spain's largest private hospital group. | Joint Commission International | |
| #3 | 4.4 / 5 (6 reviews) | Alicante, Spain | — | — | Pediatric Oncology | — | — | Joint Commission International | |
| #4 | 5.0 / 5 (1 review) | Madrid, Spain | — | — | Pediatric Oncology | — | — | Joint Commission International , International Organization for Standardization | |
| #5 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | — | Chemotherapy, targeted therapy, immunotherapy, TrueBeam radiotherapy, robotic oncosurgery | Pediatric sarcomas and retinoblastoma | Specializes in pediatric oncology with da Vinci robotic surgery and TrueBeam radiotherapy. Doctors have performed 900+ pediatric sarcoma procedures. Offers multidisciplinary tumor board and clinical trial access. | World's Best Hospitals 2021 by Newsweek |