| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 5.0 / 5 (6 reviews) | Pamplona, Spain | — | Bone marrow transplantation, chemotherapy, immunotherapy | Leukemia patients requiring bone marrow transplants | Specializes in oncology and hematology with JCI accreditation. Offers both autologous and allogeneic bone marrow transplants. Led by Prof. Jesus San Miguel, a hematology expert. | Joint Commission International , European Society for Medical Oncology |