| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (7 reviews) | Seoul, Republic of Korea | — | 65,000+ treatments | Gastric sleeve surgery (Sleeve gastrectomy), Gastric bypass | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #2 | 4.0 / 5 (3 reviews) | Seoul, Republic of Korea | — | — | Stomach stapling, Gastric sleeve surgery (Sleeve gastrectomy) | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #3 | 4.6 / 5 (42 reviews) | Seoul, Republic of Korea | — | — | Stomach stapling, Bariatric Surgery Consultation | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #4 | 5.0 / 5 (1 review) | Seoul, Republic of Korea | — | — | Stomach stapling, Gastroectomy | — | — | World's Best Hospitals 2021 by Newsweek, World's Best Smart Hospitals 2021 by Newsweek | |
| #5 | 3.6 / 5 (0 reviews) | Seoul, Republic of Korea | — | — | Gastric band, Gastric bypass | — | — | World's Best Hospitals 2022 by Newsweek | |
| #6 | 3.6 / 5 (0 reviews) | Daegu, Republic of Korea | — | — | Gastric bypass, Stomach stapling | — | — | — | |
| #7 | 3.6 / 5 (0 reviews) | Daejeon, Republic of Korea | — | — | Gastric band, Stomach stapling | — | — | — | |
| #8 | 3.5 / 5 (0 reviews) | Ilsan, Republic of Korea | — | — | Gastric band, Gastric balloon | — | — | — | |
| #9 | 3.6 / 5 (0 reviews) | Seoul, Republic of Korea | — | — | Gastric band, Stomach stapling | — | — | — |