| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (495) | Istanbul, Turkey | 28+ years | Gamma Knife for brain tumor, Immunotherapy with Keytruda (Pembolizumab) | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | ||
| #2 | 4.1 / 5 (42) | Istanbul, Turkey | 10+ years | Excision of skull base tumor, Removal of liver cancer | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association | ||
| #3 | 4.9 / 5 (7) | Seoul, Republic of Korea | — | 32,000+ treatments | Colectomy (large bowel resection), Craniotomy | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #4 | 4.5 / 5 (7) | Seoul, Republic of Korea | — | 65,000+ treatments | Brain tumor surgery, Thyroid resection | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #5 | 2.7 / 5 | Bremen, Germany | — | — | Hysterectomy (uterus removal) | — | — | — | |
| #6 | 2.9 / 5 | Bremen, Germany | — | — | Lung cancer surgery, Chemotherapy | — | — | Cooperation for transparency and quality in the health service , TOP German hospital according to 2019 Focus ranking | |
| #7 | 4.8 / 5 | Mumbai, India | — | — | Allogenic bone marrow transplantation from an unrelated donor, Laparoscopic prostatectomy | — | — | Indian National Hospital Accreditation Board | |
| #8 | 4.6 / 5 (5) | Barcelona, Spain | — | — | Mapping cancer | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | |
| #9 | 4.7 / 5 | Nashik, India | 30+ years | Subtotal thyroidectomy, Thyroidectomy | — | — | Indian National Accreditation Board for Testing and Calibration Laboratories, Indian National Hospital Accreditation Board | ||
| #10 | 4.4 / 5 (7) | Istanbul, Turkey | — | — | Breast cancer surgery, Chemotherapy for breast cancer | — | — | International Organization for Standardization, Joint Commission International |