| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (252) | Istanbul, Turkey | 24+ years | Bone marrow transplantation, Immunotherapy | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #2 | — / 5 | Shanghai, China | — | — | CT scan of the whole body | — | — | — | |
| #3 | 4.6 / 5 (174) | Vienna, Austria | — | — | Gastric polyps removal, Chemotherapy | — | — | World's Best Hospitals 2021 by Newsweek, International Organization for Standardization | |
| #4 | 4.5 / 5 (8) | Bangkok, Thailand | 11+ years | Hormone therapy | — | — | International Organization for Standardization | ||
| #5 | 4.6 / 5 (424) | Istanbul, Turkey | — | — | Distal Pancreatectomy, Pancreatic cancer surgery | — | — | International Organization for Standardization, Joint Commission International | |
| #6 | 4.6 / 5 (147) | Antalya , Turkey | — | — | Transurethral resection of the prostate (TURP), Chemotherapy for colon cancer | — | — | Joint Commission International | |
| #7 | 4.6 / 5 (158) | Istanbul, Turkey | — | — | Brain tumor removal, Autologous bone marrow transplantation | — | — | International Organization for Standardization, Joint Commission International | |
| #8 | 4.6 / 5 (537) | Istanbul, Turkey | 27+ years | Brain tumor removal, Targeted therapy | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #9 | 4.7 / 5 (489) | Barcelona, Spain | — | 23,000+ treatments | Chemotherapy for stomach cancer, Bone resection | — | — | Joint Commission International , European Foundation for Quality Management | |
| #10 | 4.8 / 5 (256) | Istanbul, Turkey | — | — | Mastectomy, Radiofrequency ablation | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT, Joint Commission International |