| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 5.0 / 5 | Madrid, Spain | 18+ years | — | — | — | ISO 45001 (Occupational Health and Safety Management), World's Best Smart Hospitals 2023 by Newsweek | ||
| #2 | 3.8 / 5 (6) | Madrid, Spain | — | — | Consultation with a gastroenterologist | — | — | World's Best Hospitals 2021 by Newsweek | |
| #3 | 3.4 / 5 | Madrid, Spain | — | — | — | — | — | Joint Commission International | |
| #4 | 5.0 / 5 (3) | Madrid, Spain | 19+ years | — | — | — | Joint Commission International , International Organization for Standardization | ||
| #5 | 2.5 / 5 | Madrid, Spain | 39+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | ||
| #6 | 4.7 / 5 | Madrid, Spain | — | — | Endoscopic polypectomy, minimally invasive bowel resection | Complex or malignant polyps needing minimally invasive bowel resection | Endoscopic removal during colonoscopy treats polyps in the same session. Da Vinci 5 robotic system handles complex cases. Multidisciplinary second opinion within 72 hours. | — |