| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.3 / 5 (37 reviews) | Bremen, Germany | — | — | Atrial septal defect surgery, Coronary angioplasty | — | — | International Organization for Standardization, TOP German hospital according to 2019 Focus ranking | |
| #2 | 3.3 / 5 (0 reviews) | Bremen, Germany | — | — | Heart transplants, coronary artery surgeries, heart valve surgeries, congenital heart defect treatments, minimally invasive cardiac surgery | Complex congenital heart defects | Leading cardiovascular center in Germany with 2,100 cardiac surgeries yearly. Specializes in minimally invasive techniques. Certified by the German Society of Cardiology for excellence in treatment. | World's Best Hospitals 2021 by Newsweek |