| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (23) | Seoul, Republic of Korea | 28+ years45,000+ treatments | Ultrasound, Consultation with a neurosurgeon | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | ||
| #2 | 5.0 / 5 (9) | Seoul, Republic of Korea | — | Consultation with a neurosurgeon, Consultation with an oncologist | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | ||
| #3 | 4.9 / 5 (7) | Seoul, Republic of Korea | — | 32,000+ treatments | PET/CT, Colonoscopy | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #4 | 4.5 / 5 (7) | Seoul, Republic of Korea | — | 65,000+ treatments | Bone marrow transplantation | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #5 | 3.5 / 5 (4) | Seoul, Republic of Korea | — | Genetic screening | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | ||
| #6 | 4.5 / 5 (43) | Seoul, Republic of Korea | — | — | Consultation with an oncologist, Brain MRI | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #7 | 5.0 / 5 (2) | Seoul, Republic of Korea | — | — | Consultation with an oncologist, Mammography | — | — | World's Best Hospitals 2021 by Newsweek | |
| #8 | 5.0 / 5 (1) | Seoul, Republic of Korea | — | Consultation with a neurosurgeon, Consultation with an oncologist | — | — | World's Best Hospitals 2021 by Newsweek, World's Best Smart Hospitals 2021 by Newsweek |