The best gastric bypass clinics in Mexico are accredited by the CMCPER, upholding high clinical standards in cities like Mexicali, Cancún, and Coahuila. According to Bookimed’s ranking, the top clinics are Dr. Rodrigo Prieto Bariatric & Metabolic Surgery Center - Guadalajara, Mexico, Dr. Jalil Illan - Bariatric Surgeon, and Zafir Medical Center. They stand out for American Society for Metabolic and Bariatric Surgery accreditation, 16+ years of bariatric experience, and 500+ procedures annually. When choosing a provider, look for ASMBS membership, international certifications, and proven success rates, with cost-effective care. Always consult a qualified bariatric surgeon before making a decision.