| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 5.0 / 5 (57) | Istanbul, Turkey | 29+ years | Radiotherapy, Chemotherapy | — | — | Joint Commission International , International Organization for Standardization | ||
| #2 | 4.6 / 5 (539) | Istanbul, Turkey | 33+ years | Immunotherapy with Keytruda (Pembolizumab), Breast cancer surgery | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #3 | 4.5 / 5 (262) | Istanbul, Turkey | 20+ years | Lobectomy, Stomach cancer surgery | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #4 | 4.6 / 5 (429) | Istanbul, Turkey | — | — | Subtotal thyroidectomy, Autologous bone marrow transplantation | — | — | International Organization for Standardization, Joint Commission International | |
| #5 | 4.5 / 5 (171) | Tel Aviv, Israel | 43+ years34,000+ treatments | Immunotherapy, Chemotherapy | — | — | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | ||
| #6 | 4.7 / 5 (492) | Barcelona, Spain | 76+ years23,000+ treatments | Chemotherapy for larynx cancer, Bone resection | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #7 | 4.7 / 5 (161) | Istanbul, Turkey | 44+ years | Radiation therapy for brain tumor, Allogenic bone marrow transplantation from an unrelated donor | — | — | International Organization for Standardization, Joint Commission International | ||
| #8 | 4.6 / 5 (149) | Antalya , Turkey | — | — | Prostatectomy, Allogenic bone marrow transplantation from a related donor | — | — | Joint Commission International | |
| #9 | 4.5 / 5 (55) | Istanbul, Turkey | — | — | Hysterectomy (uterus removal), Mastectomy | — | — | Joint Commission International | |
| #10 | 4.9 / 5 (59) | Istanbul, Turkey | 14+ years | The Wertheim-Meigs operation, Оophorectomy | — | — | Turkish Medical Association, International Health Tourism Authorization Certificate |