| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (22 reviews) | Seoul, Republic of Korea | — | 45,000+ treatments | Thyroidectomy, Radioiodine therapy | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #2 | 5.0 / 5 (9 reviews) | Seoul, Republic of Korea | — | — | Endocrinology | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #3 | 4.8 / 5 (6 reviews) | Seoul, Republic of Korea | — | 32,000+ treatments | Thyroidectomy, Basic check-up | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #4 | 4.8 / 5 (4 reviews) | Incheon, Republic of Korea | — | — | Endocrinology | — | — | World's Best Hospitals 2021 by Newsweek | |
| #5 | 4.5 / 5 (7 reviews) | Seoul, Republic of Korea | — | 65,000+ treatments | Premium Check up | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #6 | 4.0 / 5 (3 reviews) | Seoul, Republic of Korea | — | — | Abdominal CT Scan, Premium Check up | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #7 | 4.6 / 5 (42 reviews) | Seoul, Republic of Korea | — | — | Robotic surgery for thyroid tumors, radiosurgery | Thyroid gland tumors | Specializes in robotic surgery for thyroid tumors. JCI accredited hospital with 4,000 automated operations performed. Treats 660,000 patients annually. | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #8 | 5.0 / 5 (2 reviews) | Seoul, Republic of Korea | — | Radioiodine therapy, Revision of MRI results | — | — | World's Best Hospitals 2021 by Newsweek | ||
| #9 | 5.0 / 5 (1 review) | Seoul, Republic of Korea | — | — | Thyroidectomy | — | — | World's Best Hospitals 2021 by Newsweek, World's Best Smart Hospitals 2021 by Newsweek | |
| #10 | 3.6 / 5 (0 reviews) | Seoul, Republic of Korea | 16+ years | Thyroidectomy, robotic oral thyroidectomy | Minimally invasive thyroid surgery | Developed the world's first robotic oral thyroidectomy. Doctors are members of the American Thyroid Association and trained at Johns Hopkins University. JCI accredited for high standards of care. | Joint Commission International , Korean Institute for Healthcare Accreditation |