Dr Alejandro Lopez

Dr. Alejandro L.

Bariatric Surgeon

Specialized in Weight Loss Surgery

Dr. Lopez is a Guadalajara City native and graduated from prestigious University of Guadalajara Medical School.

Alejandro Lopez, MD has dedicated a significant part of his professional life to the treatment of obesity and making surgery less painful with minimally invasive techniques.

About Dr. Alejandro Lopez

Dr. Alejandro Lopez received advanced fellowship training in weight loss surgery at Cook County Hospital in Chicago, Illinois. Dr. Lopez is now the Medical Director of Alo Bariatrics in Mexico. He has broad experience in laparoscopic surgery and extensive operating room technical expertise for bariatric procedures, including laparoscopic gastric bypass, adjustable gastric banding (Lap-Band®), sleeve gastrectomy, bariatric revision procedures, and gastric plication.

Dr. Lopez has performed over 6,000 bariatric surgery procedures since 2005 and has received numerous awards for his work in bariatric surgery. Dr. Lopez grew up in Guadalajara, Mexico and received his Medical degree from the University of Guadalajara. His residency in general surgery was completed at Western National Medical Center. IMSS. He then began fellowship training at Cook County Hospital Chicago Il.

Doctor Quotes “I know that my vast clinical experience and my training will allow me to provide optimal care for my patients. I like to believe that my patients are among my family members and I would like my family members to be treated with respect, dignity and love…”

Dr. Lopez delivers exceptional personalized and individual care to all of his patents. He believes the patient comes first. Each and every office visit is a one-on-one meeting with Dr. Lopez. He is always available to address your concerns and questions. From your first visit to every subsequent visit, you can rest assured that you will be in concerned and caring hands.

Dr. Alejandro Lopez will provide you with a friendly and honest opinion regarding your suitability for surgery, putting your safety and wellbeing as the first priority. He pays particular attention to pre and postoperative care in order to optimize the outcome of your operation and provide you with a smooth recovery after surgery.

Education & Training

  • Medicine Undergraduate: University Center for Health SciencesMedical School: University of Guadalajara
  • Certifications Certified by the Mexican College of Surgery for Obesity and Metabolic Diseases (CMCOEM)Certified by the Mexican Council of General Surgery (CMCG)
  • Rotatory Boarding School Residency: Regional General Hospital 46
  • Social Service Residency: Medical Research Unit in Epidemiology IMSS, Jalisco
  • Specialization in General Surgery Fellowship: Western National Medical Center. IMSS
  • Rotation on the 2nd year of General Surgery Residency: Cook County Hospital Chicago Il. Esophagus, Laparoscopic and Robotic Surgery
  • Practical Theoretical course of Basic Endoscopic Surgery Curricular value 200 hours: Guaranteed by the Mexican Association of Endoscopic Surgery and by the IMSS
  • Graduated in Laparoscopic Surgery Outpost and Bariatric Surgery Curricular value 420 hours: Guaranteed by the Mexican Association of Endoscopic Surgery and by the IMSS
  • Training in Positioning Laparoscopic Lap Band Guaranteed by Lap-Band like Surgeon Certificate on Laparoscopic positioning of Gastric Band


Dr. Alejandro Lopez has been published in articles on bariatric and laparoscopic surgery in many surgical journals and magazines including:

  • López Ortega A, Avalos González J, Muciño Hernández MI, Larios Arceo F, Saldaña Cortés JA, González Ojeda A. Cervical esophagogastrostomy dehiscence after gastric pull-up for type I esophageal atresia. Case report of a patient successfully treated with fibrin glue and a review of the literature. Rev Gastroenterol Mex. 2003 Oct-Dec;68(4):288-92.
  • González-Ojeda A, Avalos-González J, Muciño-Hernández MI, López-Ortega A, Fuentes-Orozco C, Sánchez-Hochoa M, Anaya-Prado R, Arenas-Márquez H. Fibrin glue as adjuvant treatment for gastrocutaneous fistula after gastrostomy tube removal.Endoscopy. 2004 Apr;36(4):337-41
  • Fuentes-Orozco C, Cervantes-Guevara G, Muciño-Hernández I, López-Ortega A, Ambriz-González G, Gutiérrez-de-la-Rosa JL, Gómez-Herrera E, Hermosillo-Sandoval JM, González-Ojeda A. L-alanyl-L-glutamine-supplemented parenteral nutrition decreases infectious morbidity rate in patients with severe acute pancreatitis. JPEN J Parenter Enteral Nutr. 2008 Jul-Aug;32(4):403-11.
  • Jacqueline Osuna-Rubio, José Manuel Hermosillo-Sandoval, Germán López-Guillén, Alejandro Maciel-Miranda, Clotilde Fuentes-Orozco, Andrea Socorro Alvarez-Villaseñor, Alejandro González-Ojeda, Alejandro López-Ortega. Efecto del tamaño de la incisión en la gravedad de la lesión de vía biliar iatrogénica posterior. Gaceta Médica de México. 2008; 144(3)

Memberships & Affiliations

Medical Association of Jalisco, Mexico

The International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) Since 2013

Mexican Association of Endoscopic Surgery (AMCE)

Mexican College of Surgery for Obesity and Metabolic Diseases (CMCOEM). Since 2011

Medical Society of Autonomous university of Guadalajara

Medical Society of Security and Social Services