Dr. Alejandro Santoyo

Meet Our Board-Certified Bariatric Surgeon: Dr Alejandro Santoyo

Dr Alejandro Santoyo Flores is a highly respected board-certified bariatric surgeon in Mexico, specializing in life-changing weight loss surgical procedures.  With over 15 years of experience in weight loss surgery, Dr Santoyo has honed his expertise in gastric sleeve, gastric bypass, mini gastric bypass, and bariatric surgery revision procedures (lap band removal converted to gastric sleeve, and gastric sleeve to gastric bypass or mini gastric bypass). 

Dr Santoyo holds the academic distinction of Board Certified General and Bariatric Surgeon by the Mexican Board of General Surgery (CMCG). This is the only academic certifying organization in Mexico that regulates, standardizes, and certifies physicians in the practice of general surgery. The Board is nationally and internationally recognized for the quality and credibility of its certification process, performance, and board members.

Dr Santoyo continues to maintain international best practices and standards of care. His pursuit for excellence as a bariatric surgeon is demonstrated by his adherence to international best practices and standards of care, expertise in cutting-edge surgical techniques and technology, and compliance with the latest safety protocols, enabling him to consistently deliver exceptional results to his patients seeking bariatric surgery.

Surgical Experience and Practice

Dr Alejandro Santoyo Flores’s extensive list of accomplishments is a testament to his passion for medicine. After completing his medical degree in medical surgery and obstetrics from 1994 to 1999 at medical school at The Autonomous University of Baja California, he secured his surgical specialization in general surgery. Dr Santoyo is authorized by the licensing authority and the Mexican Committee of Surgery and is well respected by his colleagues for his experience and expertise as a bariatric surgeon.

Medical Qualifications

Dr Santoyo obtained his degree in Medical Surgery and Obstetrics from the School of Medicine at the Autonomous University of Baja California (UABC) and is a leading surgeon certified by the Mexican Board of General Surgery. With a passion for surgery and an ongoing commitment to learning and development, he has pursued continuing education and training. 

With over a decade of surgical training and experience behind him, Dr Santoyo also holds a Diploma in Basic Laparoscopic Surgery, is certified as a specialist in general surgery, holds a Diploma of Specialty in General Surgery, and has passed an advanced course in Vital Support in Trauma. 

In addition, he has undertaken dedicated training, covering topics in obesity surgery with the IMSS Clinic and courses in gastric bypass and lap band surgery and the management of the complicated bariatric patient. Dr Santoyo also participated in the 19th International Congress for Obesity and Metabolic Diseases in 2017.

Medical Practice History



Professional Memberships


Dr Alejandro Santoyo Flores is a highly skilled and experienced surgeon with extensive training in weight loss surgery. His proven track record of successful bariatric surgeries and achieving a 0% patient mortality rate, speaks volumes about his commitment to providing high-quality care.

Dr Santoyo is highly proficient in performing various weight loss procedures, including gastric sleeve, gastric bypass, mini gastric bypass, and bariatric surgery revision.

Board certification is a  rigorous process that involves extensive training and ongoing education and demonstrates Dr Santoyo’s expertise and dedication to professional excellence. Being board-certified also testifies that Dr Santoyo conducts himself ethically and professionally, prioritizing the safety and wellbeing of his patients at all times.

Weight loss outcomes after bariatric surgery can be influenced by multiple factors, including initial BMI, overall health, and adherence to post-surgery nutritional programs. While the exact amount of weight loss can vary, it is generally expected that patients can lose around 60% of their excess body weight in the first 12 months following bariatric surgery procedures. Patients should expect continued weight loss 12-24 months post-op.

Skip to content