| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 3.8 / 5 (6) | Madrid, Spain | — | — | — | — | World's Best Hospitals 2021 by Newsweek | ||
| #2 | 5.0 / 5 | Madrid, Spain | — | — | — | — | — | ISO 45001 (Occupational Health and Safety Management), World's Best Smart Hospitals 2023 by Newsweek | |
| #3 | 5.0 / 5 (3) | Madrid, Spain | — | — | Histopathology revision, Consultation with an oncologist | — | — | Joint Commission International , International Organization for Standardization | |
| #4 | 4.7 / 5 (17) | Madrid, Spain | — | 26,000+ treatments | Immunotherapy with Keytruda (Pembrolizumab), robotic surgery, targeted therapy, brachytherapy, radiotherapy | Advanced rectal cancer cases | Offers Keytruda immunotherapy and advanced robotic surgery with da Vinci Xi system. Equipped with precise brachytherapy and radiotherapy technology. Recognized as Best Private Medical Center in Madrid. | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate | |
| #5 | 4.0 / 5 | Madrid, Spain | 34+ years | CyberKnife, Chemotherapy for breast cancer | — | — | — | ||
| #6 | 2.5 / 5 | Madrid, Spain | 36+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | ||
| #7 | 4.9 / 5 | Madrid, Spain | — | — | Patients needing treatment plan determination or second opinion | Dedicated Digestive Tumours and Proctology Surgery units coordinate care. High-precision radiotherapy spares healthy tissue. JCI-accredited. HIPEC for advanced cases. | European Society of Human Reproduction and Embryology, Fellow, American College of Surgeons |