| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (44) | Barcelona, Spain | — | 14,000+ treatments | Bone marrow transplantation, Allogenic bone marrow transplantation from a related donor | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #2 | 4.6 / 5 (18) | Guangzhou, China | — | — | Immunogram | — | — | — | |
| #3 | 4.7 / 5 (65) | Solingen, Germany | — | — | Chemotherapy | — | — | Best doctor for herniated disc treatment, German Cancer Society | |
| #4 | 4.6 / 5 (131) | Bangkok, Thailand | — | — | Bone marrow transplantation | — | — | International Organization for Standardization, Joint Commission International | |
| #5 | 4.1 / 5 (42) | Istanbul, Turkey | 36+ years | Allogenic bone marrow transplantation from an unrelated donor, Bone marrow transplantation | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association | ||
| #6 | 5.0 / 5 (9) | Seoul, Republic of Korea | — | — | Immunogram | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #7 | 4.3 / 5 (8) | Thessaloniki, Greece | — | — | Immunogram | — | — | TEMOS International Healthcare Accreditation, Global Healthcare Accreditation Program | |
| #8 | 4.8 / 5 (6) | Seoul, Republic of Korea | — | 32,000+ treatments | Immunogram | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #9 | 4.5 / 5 (7) | Seoul, Republic of Korea | — | 65,000+ treatments | Bone marrow transplantation | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #10 | 3.5 / 5 (4) | Seoul, Republic of Korea | — | — | Immunogram | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |