| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 2.6 / 5 | Dusseldorf, Germany | — | — | — | — | — | International Accreditation System for Interventional Oncology Services (IASIOS), German Cancer Society | |
| #2 | 4.9 / 5 | Mülheim, Germany | — | — | Cardiac resynchronization therapy (CRT) | Heart failure patients with left bundle branch block | In-house CRT implantation and daily telemonitoring of ICD/CRT devices. Dedicated heart failure consultation with doctors holding DGK heart failure qualification. | — |