Leonel Hernandez-Aya, MD

Leonel Hernandez-Aya, MD

Medical Oncologist

Primary Academic Title

Assistant Professor of Medicine, Division of Oncology, Washington University School of Medicine

Clinical Expertise


Research Interest

Investigating and applying novel anti-cancer therapies in the treatment of melanoma and breast cancer patients. Specifically, I am interested in designing clinical trials and conducting translational projects involving immunotherapy and cancer microenvironment.


  • 2007: MD, Universidad Nacional de Colombia, Bogota, Colombia


  • 2009 - 2012: Intern and resident, internal medicine, University of Miami
  • 2012 - 2015: Fellow, hematology and oncology, University of Michigan

Board Certification

  • 2012: American Board of Internal Medicine

Journal Articles

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Contact Information

  • Washington University Medical Campus

    4921 Parkview Place
    Saint Louis, MO 63110

  • South St. Louis County

    5225 Midamerica Plaza
    St. Louis, MO 63129

Phone Numbers

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