Dr Alejandro López Ortega | Bariatric Surgeon of Excellence in Tijuana México

Dr. Alejandro Lopez received advanced training in weight loss surgery at Cook County Hospital in Chicago, Illinois. He has extensive experience in laparoscopic surgery and operating room technical expertise for bariatric surgeries, including laparoscopic gastric bypass, gastric sleeve, bariatric revision procedures, and gastric plication.

Dr. Lopez has performed over 6,000 bariatric procedures since 2005 and has received numerous awards for his work as a bariatric surgeon. Dr. Lopez 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.

Medical societies I am a member of:

  • Mexican Association of Endoscopic Surgery (AMCE) Since May 2008
  • The International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) Since 2013
  • American Society for Metabolic and Bariatric Surgery (ASMBS). Since 2013.
  • Colegio Mexicano de Cirugia para la Obesidad y Enfermedades Metabolicas (CMCOEM). Since 2011
  • Consejo Mexicano de Cirugía General (CMCG). Since 2009

I specialize in

  • Bariatric Surgery
  • General Surgery
  • Laparoscopic Surgery


  • Medicine.
    Centro Universitario de Ciencias de la Salud (CUCS).
    Universidad de Guadalajara.
    Medical Degree (M.D.)
    Obtaining 91.0 average.Degree: Excellent Academic performance. Option: Degree by Average.
  • Rotatory boarding school
    Hospital General Regional 46.
    June 2001 to June 2002.
    With 9.0 average
  • Social Service
    Unidad de Investigación Médica en Epidemiología Clínica Orientación Cirugía Centro Medico Nacional de Occidente IMSS-Jal.
    January 2002-2003
  • Approval of the National Examination of Medical Residences. General surgery.
  • Specialization in General Surgery
    Centro Medico Nacional de Occidente. IMSS
    March 2004-Febrero 2008
  • Rotation on the 2nd year of General Surgery
    Cook County Hospital Chicago Il.
    Cirugía de Esófago, Laparoscópica y Robótica
    On charge: Dr Phillipe Donahue
  • Social Service of Speciality in General Surgery
    Investigation. Centro Médico Nacional de Occidente
    March 2007-August 2007


  • Practical Theoretical course of Basic Endoscopic Surgery
    March – August 2004
    Curricular value 200Hrs.
    Guaranteed by the Mexican Association of Endoscopic Surgery and by the IMSS
  • Graduated in Laparoscopic Surgery Outpost and Bariatric Surgery
    March –May 2008
    Tijuana BC. Clinica 1 of the IMSS
    Curricular value 420Hrs.
    Guaranteed by the Mexican Association of Endoscopic Surgery and by the IMSS
  • Training in Positioning Laparoscopic Lap Band
    March 2008
    Tijuana BC. Clinica 1 of the IMSS
    Guaranteed by Lap-Band like Surgeon Certificate on Laparoscopic positioning of Gastric Band
  • Attendance to the American College Congress. October 2003. Chicago Illinois.
  • Attendance to the American Collage Congress. October 2005. Chicago Illinois.
  • Attendance to XVII the International Congress of Endoscopic Surgery May 2008 Puerto Vallarta, Jalisco.
  • Attendance to XVI the International Congress of Mexican College of Surgery for Obesity and Metabolic Deceases. 2014 Leon, Guanajuato.
  • Attendance to XIX IFSO World Congress on Obesity Surgery, 2014 Montreal, Canada.