| 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 | 46+ years23,000+ treatments | Radioiodine therapy, metabolic surgery, thyroidectomy, bioidentical hormone replacement therapy (BHRT) | Thyroid disorders and metabolic conditions | JCI-accredited facility with specialists performing 12,000+ laparoscopic metabolic surgeries and 1,100+ thyroid procedures. Offers individualized treatment plans for Graves' disease and other endocrine disorders. | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 4.4 / 5 (5 reviews) | Marbella, Spain | — | — | Basic check-up, Premium Check up | — | — | Joint Commission International | |
| #3 | 3.4 / 5 (0 reviews) | Madrid, Spain | — | — | Endocrinology | — | — | Joint Commission International | |
| #4 | 4.1 / 5 (3 reviews) | Alicante, Spain | — | — | Complete thyroidectomy, minimally invasive thyroid surgery | Complex thyroid conditions | Holds JCI accreditation for endocrinology services, performs complex thyroid surgeries with minimally invasive techniques focused on safety and precision. | Joint Commission International | |
| #5 | 5.0 / 5 (0 reviews) | Barcelona, Spain | — | — | Thyroidectomy, parathyroid surgery, thyroid cancer treatment, goiter treatment | Complex thyroid and parathyroid conditions | Performed 5,000+ thyroid procedures with UK/US-trained surgeons. Offers comprehensive pre- and post-operative care at partner hospitals in Spain. | — | |
| #6 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | — | Thyroidectomy | — | — | World's Best Hospitals 2021 by Newsweek | |
| #7 | 4.4 / 5 (6 reviews) | Barcelona, Spain | — | — | Endocrinology | — | — | Joint Commission International | |
| #8 | 4.8 / 5 (41 reviews) | Barcelona, Spain | — | 14,000+ treatments | Endocrinology | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #9 | 4.5 / 5 (0 reviews) | Madrid, Spain | — | — | Endocrinology | — | — | Joint Commission International , International Organization for Standardization | |
| #10 | 4.6 / 5 (16 reviews) | Madrid, Spain | — | 26,000+ treatments | Biochemical blood analysis | — | — | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate |