| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (57) | Frankfurt am Main, Germany | 41+ years | Chemotherapy, CyberKnife for brain tumor | — | — | TÜV AG Сompany Research & Investing Certificate, TOP German hospital according to 2019 Focus ranking | ||
| #2 | 3.7 / 5 | Essen, Germany | — | — | CT scan of the whole body | — | — | World's Best Hospitals 2021 by Newsweek | |
| #3 | — / 5 | Berlin, Germany | — | — | Radiation therapy for brain tumor, Radiotherapy for lung cancer | — | — | — |