Robert Hayashi, MD

Robert Hayashi, MD

Pediatric Hematologist/ Oncologist

Primary Academic Title

Professor of Pediatrics, Division of Hematology/Oncology, Washington University School of Medicine

Clinical Expertise

Pediatric cancer, bone marrow transplantation

Research Interest

Basic laboratory interests include mechanisms of T cell tolerance and the role of cytokines in the immune response. Clinical interests include bone marrow transplantation and pediatric oncology.


  • 1986: MD, Washington University, St. Louis


  • 1986 - 1989: Intern and resident, pediatrics, Washington University, St. Louis
  • 1989 - 1992: Fellow, pediatric hematology/oncology, Johns Hopkins University, Baltimore

Board Certification

  • 1989, 1998: American Board of Pediatrics, General Pediatrics
  • 1992, 1998: American Board of Pediatrics, Pediatric Hematology/Oncology

Contact Information

  • Washington University Medical Campus

    4921 Parkview Place
    Saint Louis, MO 63110

  • Siteman Kids at St. Louis Children’s Hospital

    1 Children's Place
    St. Louis, MO 63110

Phone Numbers

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