| #1 | | | Vienna, Austria | | 44+ years | Brachytherapy, CyberKnife, Immunotherapy with Keytruda (Pembolizumab) | Personalized oncology treatment | Offers targeted therapy, immunotherapy, and radiotherapy with 95% positive treatment results. Features top oncologists like Prof. Christoph Zielinski. | International Organization for Standardization, World's Best Hospitals 2021 by Newsweek |
| #2 | | | Vienna, Austria | | 297+ years | Сomplex oncology diagnostic | — | — | — |
| #3 | | | Vienna, Austria | | — | Brachytherapy, CyberKnife, immunotherapy with Keytruda (Pembrolizumab) | Personalized cancer therapy | Offers targeted therapies including immunotherapy, with treatments tailored to individual tumor genetics. Part of Vienna Cancer Center, treating 30,000+ patients. | International Organization for Standardization |
| #4 | | | Vienna, Austria | | 31+ years | — | — | — | International Organization for Standardization |
| #5 | | | Vienna, Austria | | 151+ years | — | — | — | — |