| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 3.6 / 5 | Goyang, Republic of Korea | — | — | Chemotherapy, Craniotomy | — | — | Advanced Regenerative Medicine Implementation Institution (Ministry of Health and Welfare, Republic of Korea) | |
| #2 | 4.5 / 5 (23) | Seoul, Republic of Korea | — | 45,000+ treatments | Thyroid resection , Radiotherapy for lung cancer | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #3 | 4.5 / 5 (7) | Seoul, Republic of Korea | — | 65,000+ treatments | Transurethral resection of the prostate (TURP), Breast cancer surgery | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #4 | 4.5 / 5 (43) | Seoul, Republic of Korea | — | — | Lung cancer surgery, Lung segmentectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #5 | 3.6 / 5 | Seoul, Republic of Korea | — | — | Thyroid resection , Breast cancer surgery | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |