| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (441 reviews) | Barcelona, Spain | — | 23,000+ treatments | Radiotherapy for prostate cancer, CyberKnife for brain tumor | — | — | Joint Commission International , European Foundation for Quality Management | |
| #2 | 4.6 / 5 (213 reviews) | Istanbul, Turkey | 20+ years | Nephrectomy, Craniotomy | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #3 | 4.6 / 5 (514 reviews) | Istanbul, Turkey | — | — | Radiotherapy for lung cancer, Radiation therapy for brain tumor | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #4 | 4.6 / 5 (126 reviews) | Antalya , Turkey | — | — | Bone marrow transplantation, Laminectomy | — | — | Joint Commission International | |
| #5 | 4.8 / 5 (172 reviews) | Istanbul, Turkey | — | — | Radiofrequency ablation, Mastectomy | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT, Joint Commission International | |
| #6 | 5.0 / 5 (9 reviews) | Seoul, Republic of Korea | — | — | Breast cancer surgery, Radiotherapy for breast cancer | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #7 | 4.4 / 5 (32 reviews) | Istanbul, Turkey | 10+ years | Autologous bone marrow transplantation, Chemotherapy for pancreatic cancer | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association | ||
| #8 | 4.2 / 5 (7 reviews) | Thessaloniki, Greece | — | — | Mastectomy, Radiotherapy for uterine cancer | — | — | TEMOS International Healthcare Accreditation, Global Healthcare Accreditation Program | |
| #9 | 4.8 / 5 (6 reviews) | Seoul, Republic of Korea | — | 32,000+ treatments | Minimally invasive fusion surgery, Thyroidectomy | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #10 | 4.0 / 5 (3 reviews) | Seoul, Republic of Korea | — | — | Stereotaxic radiosurgery, Laparoscopic nephrectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |