| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 5.0 / 5 (9 reviews) | Seoul, Republic of Korea | 47+ years | Gastric bypass | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | ||
| #2 | 4.8 / 5 (6 reviews) | Seoul, Republic of Korea | — | 32,000+ treatments | Gastric bypass | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #3 | 4.5 / 5 (7 reviews) | Seoul, Republic of Korea | 65,000+ treatments | Gastric bypass, Bariatric Surgery Consultation | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | ||
| #4 | 4.0 / 5 (3 reviews) | Seoul, Republic of Korea | — | Bariatric Surgery Consultation | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | ||
| #5 | 4.6 / 5 (42 reviews) | Seoul, Republic of Korea | — | Bariatric Surgery Consultation | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | ||
| #6 | 5.0 / 5 (2 reviews) | Seoul, Republic of Korea | — | — | Gastric bypass | — | — | World's Best Hospitals 2021 by Newsweek | |
| #7 | 5.0 / 5 (1 review) | Seoul, Republic of Korea | — | Bariatric Surgery Consultation | — | — | World's Best Hospitals 2021 by Newsweek, World's Best Smart Hospitals 2021 by Newsweek | ||
| #8 | 3.6 / 5 (0 reviews) | Seoul, Republic of Korea | — | — | Gastric bypass, gastric balloon, stomach stapling | Affordable weight loss surgery | Offers gastric bypass at competitive prices, 3-4 times lower than US clinics. Specializes in bariatric procedures with experienced doctors. | World's Best Hospitals 2022 by Newsweek | |
| #9 | 3.6 / 5 (0 reviews) | Daegu, Republic of Korea | — | — | Gastric bypass, Bariatric Surgery Consultation | — | — | — | |
| #10 | 3.6 / 5 (0 reviews) | Daejeon, Republic of Korea | — | — | Gastric bypass, Bariatric Surgery Consultation | — | — | — |