| #1 | | | Barcelona, Spain | | 29+ years23,000+ treatments | Laser ablation, fine-needle aspiration biopsy, thyroid ultrasound | Complex thyroid disorders | JCI-accredited center specializing in thyroid disorders. Offers minimally invasive procedures like laser ablation. Endocrinologists have treated 900+ thyroid patients. | 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 | | 38+ 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 | | 27+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |
| #7 | | | Barcelona, Spain | | — | — | — | — | — |
| #8 | | | Pamplona, Spain | | 64+ years | Minimally invasive surgery, robotic-assisted surgery, hormone therapy, chemotherapy, radioactive iodine therapy | Differentiated thyroid carcinomas | Offers minimally invasive thyroid surgery with robotic assistance. Provides comprehensive treatment including radioactive iodine therapy. JCI-accredited hospital with specialized endocrinology department. | Joint Commission International , European Society for Medical Oncology |
| #9 | | | Barcelona, Spain | | 31+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |