Leonel F. Hernandez-Aya, MD

Assistant Professor
Department of Medicine
Oncology Division
Medical Oncology

Clinical Interests

  • Breast cancer
  • Melanoma
  • Cancer immunotherapy

Research Interests

  • Cancer Immunotherapy
  • Cancer microenvironment
  • Breast cancer research
  • Melanoma clinical research


  • 314-747-7510 (tel)
  • 314-362-7086 (fax)
  • 14th Floor NW Tower (office)
  • Division of Oncology
    Campus Box 8056
    Washington University Medical School
    660 South Euclid Avenue
    St. Louis, MO 63110


2001-2007 MD, School of Medicine, Universidad Nacional de Colombia, Bogota, Colombia
Post-graduate Training
2009-2012 Internal Medicine Internship and Residency, University of Miami Miller School of Medicine
2012-2015 Hematology/Oncology Fellowship, University of Michigan Health System, Comprehensive Cancer Center
Academic Positions
2015-present Assistant Professor, Department of Medicine, Division of Oncology, Washington University School of Medicine, St. Louis, MO
Board Certification
2012 American Board of Internal Medicine, Board Certified in Internal Medicine
2015 American Board of Internal Medicine, Board Certified in Medical Oncology
Honors & Awards
2013 Workshop Grant Recipient, 22nd Annual AACR Workshop: Molecular Biology in Clinical Oncology, Snowmass Village, CO
2014 15th Annual Fellows Travel Award Recipient, 24th Annual Mayo Clinic Hematology/Oncology Reviews, The Ritz-Carlton, Amelia Island, FL
Professional Societies
2012-present American Society of Clinical Oncology
2013-present American Association for Cancer Research