| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (440 reviews) | Barcelona, Spain | 39+ years1,000+ treatments | CyberKnife, Gamma Knife, nephrectomy, robotic surgery, targeted therapy, immunotherapy | Complex or metastatic kidney cancer | Offers minimally invasive robotic surgery and advanced radiosurgery. JCI-accredited with a multidisciplinary team specializing in urological oncology. Over 1,100,000 patients treated. | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 4.8 / 5 (41 reviews) | Barcelona, Spain | — | 14,000+ treatments | Nephrectomy, Radiation therapy for kidney cancer | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #3 | 4.4 / 5 (6 reviews) | Barcelona, Spain | 38+ years | Consultation with an oncologist, PET/CT | — | — | Joint Commission International |