| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (440 reviews) | Barcelona, Spain | 46+ years23,000+ treatments | Laparoscopic surgery, ileal interposition surgery, metabolic surgery | Patients needing metabolic surgery for diabetes | Offers specialized metabolic surgeries like ileal interposition, performed by a surgeon with 12,000+ laparoscopic procedures. JCI-certified team ensures high standards. | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 4.4 / 5 (5 reviews) | Marbella, Spain | — | — | Medication management, dietary counseling, Diabetes Education Program, ongoing support | Comprehensive diabetes management | Offers personalized treatment plans with dietary counseling and education programs. Accredited by JCI and provides 24/7 patient support. | Joint Commission International | |
| #3 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | — | — | — | World's Best Hospitals 2021 by Newsweek | ||
| #4 | 4.4 / 5 (6 reviews) | Barcelona, Spain | 38+ years | — | — | — | Joint Commission International | ||
| #5 | 4.6 / 5 (16 reviews) | Madrid, Spain | — | 26,000+ treatments | — | — | — | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate | |
| #6 | 2.5 / 5 (0 reviews) | Madrid, Spain | 27+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | ||
| #7 | 4.0 / 5 (0 reviews) | Barcelona, Spain | — | — | — | — | — | — | |
| #8 | 5.0 / 5 (6 reviews) | Pamplona, Spain | — | Consultation and individualized treatment planning | Tailored diabetes care | JCI-accredited clinic with specialist in endocrinology and nutrition providing personalized diabetes management. | Joint Commission International , European Society for Medical Oncology | ||
| #9 | 4.6 / 5 (5 reviews) | Barcelona, Spain | — | — | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |