| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (0 reviews) | Madrid, Spain | 32+ years | Proton therapy for breast cancer, proton therapy for prostate cancer, tumor scanning system, advanced imaging equipment | Precision treatment for complex tumors | Uses Proteus One® system for precise proton-beam targeting, JCI accredited, and has a team with 900+ procedures performed. Offers individualized treatment plans with advanced imaging for maximum safety. | Joint Commission International , European Society for Medical Oncology | ||
| #2 | 4.7 / 5 (441 reviews) | Barcelona, Spain | — | 23,000+ treatments | Proton-beam therapy, advanced imaging systems, robotic patient positioning | Pediatric and adult brain/spine tumors | Uses Proteus One® system with 220° beam rotation for precision. Offers personalized plans with 70,000+ patients treated globally using IBA technology. JCI-accredited center. | Joint Commission International , European Foundation for Quality Management | |
| #3 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | — | Proton therapy for breast cancer, Proton therapy for prostate cancer, Intensity modulated proton therapy (IMPT), Pencil beam scanning (PBS), 3D cone-beam CT (CBCT) | Tumors near sensitive organs | Uses the Proteus One system with tumor-scanning technology and 220° rotation. Team trained at leading international centers. Specializes in pediatric and complex cases near critical structures. | World's Best Hospitals 2021 by Newsweek | |
| #4 | 5.0 / 5 (6 reviews) | Pamplona, Spain | — | — | Proton therapy for breast cancer, proton therapy for sarcomas | Sarcoma and breast cancer treatment | Offers a fixed-price package for proton therapy, specializing in complex sarcoma cases with detailed treatment planning and post-treatment reviews. | Joint Commission International , European Society for Medical Oncology | |
| #5 | 4.0 / 5 (0 reviews) | Madrid, Spain | — | — | Proton therapy for breast cancer, proton therapy for prostate cancer | Tumors close to critical structures | Recommended when tumors are near the spinal cord. One of the few proton therapy providers in Spain. Focuses on delivering precise radiation to minimize damage to surrounding tissues. | — |