| #1 | | | Barcelona, Spain | | 42+ years23,000+ treatments | Endoscopic sinus surgery, laser surgery, septoplasty, tympanoplasty | Chronic or recurrent nasal polyps | Specializes in minimally invasive ENT procedures with advanced technologies like laser and Da Vinci robotic surgery. JCI-accredited with 4.7 patient rating based on 398 reviews. | Joint Commission International , European Foundation for Quality Management |
| #2 | | | Barcelona, Spain | | 15+ years5,000+ treatments | — | — | — | — |
| #3 | | | Madrid, Spain | | 19+ years | — | — | — | World's Best Hospitals 2021 by Newsweek |
| #4 | | | Barcelona, Spain | | 29+ years | — | — | — | Joint Commission International |
| #5 | | | Barcelona, Spain | | 159+ years14,000+ treatments | — | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek |
| #6 | | | Madrid, Spain | | 19+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |