| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.3 / 5 (4) | Istanbul, Turkey | — | — | Carcinoembryonic antigen | — | — | Turkish Medical Association, International Health Tourism Authorization Certificate | |
| #2 | 4.6 / 5 (539) | Istanbul, Turkey | — | — | Chemotherapy for stomach cancer, Hyperthermic Intraperitoneal Chemotherapy (HIPEC) | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #3 | 4.5 / 5 (262) | Istanbul, Turkey | 20+ years | Removal of spinal cord tumor, Tongue cancer surgery | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #4 | 4.5 / 5 (171) | Tel Aviv, Israel | — | 34,000+ treatments | Mastectomy, Immunotherapy | — | — | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | |
| #5 | 4.8 / 5 (278) | Istanbul, Turkey | — | — | Radiofrequency ablation, Thyroidectomy | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT, Joint Commission International | |
| #6 | 5.0 / 5 (2) | Bangkok, Thailand | — | — | Chemotherapy, Targeted therapy | — | — | ISO 9001:2015 Quality management systems | |
| #7 | 3.6 / 5 | Goyang, Republic of Korea | — | — | Chemotherapy, Craniotomy | — | — | Advanced Regenerative Medicine Implementation Institution (Ministry of Health and Welfare, Republic of Korea) | |
| #8 | 4.1 / 5 (42) | Istanbul, Turkey | 10+ years | Chemotherapy for stomach cancer, Brain tumor surgery | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association | ||
| #9 | 4.5 / 5 (20) | Ankara, Turkey | — | — | Prostatectomy, Nephrectomy | — | — | Joint Commission International | |
| #10 | 4.6 / 5 (5) | Barcelona, Spain | — | — | Carcinoembryonic antigen | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |