| #1 | | | Barcelona, Spain | | 15+ years5,000+ treatments | Thyroid resection, parathyroidectomy, minimally invasive techniques | Thyroid goiter and cancer treatments | UK- and US-trained surgeons with 5,000+ procedures performed. Offers minimally invasive techniques for faster recovery. Specializes in thyroid and parathyroid surgery with comprehensive diagnostics. | — |
| #2 | | | Barcelona, Spain | | 26+ years23,000+ treatments | Thyroid resection, subtotal thyroidectomy, minimally invasive thyroidectomy | Suspected malignancy or toxic goiter | JCI-accredited clinic with specialists performing over 1,100 thyroid procedures. Minimally invasive techniques preserve vocal nerves and parathyroid glands. Includes comprehensive postoperative care and hormone monitoring. | Joint Commission International , European Foundation for Quality Management |
| #3 | | | Alicante, Spain | | 24+ years | Thyroidectomy | — | — | Joint Commission International |
| #4 | | | Madrid, Spain | | 19+ years | Thyroidectomy, PET/CT | — | — | World's Best Hospitals 2021 by Newsweek |
| #5 | | | Barcelona, Spain | | 159+ years14,000+ treatments | Thyroidectomy | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek |
| #6 | | | Madrid, Spain | | 36+ years26,000+ treatments | Extended analysis of blood, Biopsy | — | — | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate |
| #7 | | | Pamplona, Spain | | 64+ years | PET/CT | — | — | Joint Commission International , European Society for Medical Oncology |
| #8 | | | Barcelona, Spain | | 60+ years | Thyroidectomy | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |
| #9 | | | Alicante, Spain | | — | Thyroidectomy, CT (computer tomography) | — | — | International Organization for Standardization |
| #10 | | | Alicante, Spain | | — | Thyroidectomy, Biopsy Colposcopy | — | — | International Organization for Standardization |