| 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 | Colonoscopy, Gastroscopy | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 4.4 / 5 (6 reviews) | Barcelona, Spain | — | Stomach resection, Consultation with a surgeon | — | — | Joint Commission International | ||
| #3 | 4.6 / 5 (5 reviews) | Barcelona, Spain | 36+ years | Stomach resection | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |