| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (485) | Barcelona, Spain | 38+ years23,000+ treatments | Removal of duodenal polyp, Male Check-up | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 5.0 / 5 (1) | Madrid, Spain | 19+ years | Removal of duodenal polyp | — | — | Joint Commission International , International Organization for Standardization | ||
| #3 | 4.7 / 5 (7) | Pamplona, Spain | — | Removal of duodenal polyp | — | — | Joint Commission International , European Society for Medical Oncology | ||
| #4 | 4.6 / 5 (5) | Barcelona, Spain | — | — | Removal of duodenal polyp | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |