| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (489) | Barcelona, Spain | 26+ years23,000+ treatments | CyberKnife, Gamma Knife, Immunotherapy with Keytruda (Pembrolizumab), cytoreductive surgery with HIPEC, PIPAC, laparoscopic surgery | Advanced or metastatic stomach cancer | Offers advanced treatments like PIPAC and HIPEC. Doctors have performed over 900 oncology procedures. Clinic is JCI-accredited with a multidisciplinary approach. | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 3.8 / 5 (6) | Madrid, Spain | — | Gastroectomy, Consultation with a gastroenterologist | — | — | World's Best Hospitals 2021 by Newsweek | ||
| #3 | 4.4 / 5 (6) | Barcelona, Spain | 33+ years | CyberKnife, Gamma Knife, robot-assisted surgeries | Advanced gastrointestinal cancer cases | Features the Baselga Institute of Oncology with Dr. Josep Tabernero leading gastrointestinal cancer care. Offers CyberKnife and Gamma Knife radiation therapy. Performs 1,000+ minimally invasive surgeries annually. | Joint Commission International | ||
| #4 | 5.0 / 5 (2) | Madrid, Spain | — | — | Gamma Knife | — | — | Joint Commission International , International Organization for Standardization | |
| #5 | 5.0 / 5 | Madrid, Spain | — | — | Stomach resection | — | — | ISO 45001 (Occupational Health and Safety Management), World's Best Smart Hospitals 2023 by Newsweek | |
| #6 | 4.7 / 5 (17) | Madrid, Spain | — | 26,000+ treatments | Immunotherapy with Keytruda (Pembrolizumab), targeted therapy, nuclear medicine | Advanced or genetic-based stomach cancer | Offers Keytruda immunotherapy and targeted therapy based on genetic analysis. Equipped with Da Vinci Xi robotic system for precise surgery. Recognized as Best Private Medical Center in Madrid. | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate | |
| #7 | 4.7 / 5 (7) | Pamplona, Spain | — | Proton-beam therapy, Consultation with an oncologist | — | — | Joint Commission International , European Society for Medical Oncology | ||
| #8 | 4.6 / 5 (5) | Barcelona, Spain | 37+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | ||
| #9 | 4.0 / 5 | Madrid, Spain | — | — | Immunotherapy with Keytruda (Pembolizumab), Chemotherapy for stomach cancer | — | — | — | |
| #10 | 2.5 / 5 | Madrid, Spain | 36+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |