| 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 | — | — | Consultation and individualized treatment planning | Combined rheumatology and oncology cases | JCI-accredited with specialized rheumatology unit. Collaborates with oncology department for complex cases. 700,000+ patients treated from 70 countries. | Joint Commission International , European Society for Medical Oncology |