| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 5.0 / 5 (3 reviews) | Astana, Kazakhstan | 5,000+ treatments | Plastic repair of interventricular septum defects, corrective surgery for Tetralogy of Fallot, catheter intervention for abnormal pulmonary venous drainage, coarctation of the aorta, pacemaker implantation | Complex congenital heart defects | Treats 600+ pediatric cardiac cases annually, including 70+ newborns. Among 22 globally recognized centers for complex cardiac surgery. Performs minimally invasive procedures including catheter-based TAVI. | Joint Commission International |