| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (438 reviews) | Barcelona, Spain | 37+ years23,000+ treatments | Open heart surgery, Tetralogy of Fallot repair, VSD closure, robotic mitral valve repair, atrial septal defect surgery | Congenital heart defects in children | Performed over 5,000 cardiac surgeries with a 98.2% survival rate. JCI-accredited facility with dedicated pediatric cardiac ICU. Specializes in minimally invasive robotic valve repairs. | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 4.8 / 5 (41 reviews) | Barcelona, Spain | — | 14,000+ treatments | Congenital heart surgery, minimally invasive pediatric cardiac procedures, robotic-assisted cardiac surgery | Complex congenital heart conditions | Performs 300+ pediatric cardiac surgeries annually with one of Europe's highest success rates. Uses minimally invasive and robotic-assisted techniques for faster recovery. | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #3 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | — | Heart valve surgery, coronary artery bypass grafting, valve-sparing aortic root replacement | Complex pediatric heart conditions | Performs beating-heart coronary artery bypass surgery in 80% of cases. Leads in valve-sparing aortic root replacements in Spain. Uses da Vinci Surgical System for minimally invasive procedures. | World's Best Hospitals 2021 by Newsweek | |
| #4 | 4.4 / 5 (6 reviews) | Barcelona, Spain | — | — | Pediatric Cardiac Surgery | — | — | Joint Commission International | |
| #5 | 4.5 / 5 (0 reviews) | Madrid, Spain | — | — | Pediatric Cardiac Surgery | — | — | Joint Commission International , International Organization for Standardization | |
| #6 | 2.5 / 5 (0 reviews) | Madrid, Spain | — | — | Pediatric Cardiac Surgery | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | |
| #7 | 5.0 / 5 (6 reviews) | Pamplona, Spain | — | — | Pediatric Cardiac Surgery | — | — | Joint Commission International , European Society for Medical Oncology | |
| #8 | 4.6 / 5 (5 reviews) | Barcelona, Spain | 20+ years | Pediatric Cardiac Surgery | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | ||
| #9 | 2.6 / 5 (0 reviews) | Ibiza, Spain | — | — | Coronary angioplasty, Consultation with a cardiologist | — | — | — | |
| #10 | 3.0 / 5 (0 reviews) | Las Palmas, Spain | — | — | Coronary angioplasty, Consultation with a cardiologist | — | — | International Organization for Standardization |