Southtowns Gastro

About Southtowns Gastroenterology

Dr. Diaz-Ordaz

Education:Dr diaz Ordaz

  • Nogales High School
    LaPuente, California
  • Universidad LaSalle Prep School
    Mexico City
  • Universidad LaSalle Medical School
    Mexico City
    Degree:  M.D.
  • State University of New York at Buffalo
    Internal Medicine Residency
  • Buffalo Veterans Administration Medical Center
    Buffalo, N.Y.
    Emergency Room Physician
  • State University of New York at Buffalo Division of Gastroenterology
    Gastroenterology Fellow and Clinical Instructor of Medicine


  • Board Certification in Internal Medicine 1988- certificate valid indefinitely
  • Board Certification in Gastroenterology 1991-2001
  • Board Re-Certification in Gastroenterology 2002-2012


  • American Gastroenterology Association
  • American Society of Gastrointestinal Endoscopy
  • GI Liver Society
  • Medical Society of New York Political Action Committee
  • Medical Society of the State of New York
  • American Medical Association


  • State of New York
  • State of California


  • English and Spanish