Oncology Division
Alphabetical list (active faculty):   
Katrina S. Pedersen

Katrina S. Pedersen, MS, MD

Assistant Professor

Department of Medicine

Oncology Division

Medical Oncology

Clinical Interests

  • Small bowel adenocarcinoma
  • Colorectal cancer
  • Appendiceal cancer
  • Pancreatic cancer
  • Gastrointestinal cancer


  • 314-362-9115 (office)
  • 314-362-7086 (fax)
  • Division of Oncology
    Campus Box 8056
    Washington University
    660 South Euclid Avenue
    St. Louis, MO 63110


2003 BA, Biology and French, Grinnell College, Grinnell, IA
2005 MS, Free Radical & Radiation Biology, University of Iowa, Iowa City, IA
2009 MD, Southern Illinois University School of Medicine, Springfield, IL
Post-graduate Training
2009-2012 Resident, Internal Medicine, Mayo School of Graduate Medical Education, Rochester, MN
2012-2016 Fellow, Hematology and Medical Oncology, Mayo School of Graduate Medical Education, Rochester, MN
Academic Positions & Employment
2015-2016 Instructor of Medicine and Oncology, Mayo Clinic, Rochester, MN
2016-present Assistant Professor, Department of Medicine, Division of Oncology, Washington University in St. Louis, St. Louis, MO
University & Hospital Appointments & Committees
2012-2015 Department of Medical Oncology Clinical Inpatient Practice Committee, Mayo Clinic, Rochester, MN
2014-2016 Department of Medical Oncology Education Committee, Mayo Clinic, Rochester, MN
2015-2016 Department of Medical Oncology Research Committee, Mayo Clinic, Rochester, MN
2017-present Institutional Review Board, Washington University, St. Louis, MO
2018-present Fellowship Research Mentor, Washington University, St. Louis, MO
Board Certification
2012 Internal Medicine (ABIM)
2015 Medical Oncology (ABIM)
2015 Hematology (ABIM)
Honors & Awards
2003-2005 Free Radical and Radiation Biology Graduate Research Assistantship, NIH-Funded
2008 Alpha Omega Alpha (elected junior year)
National & International Panels, Committees, Boards
2016-present International Rare Cancer Initiative, Small Bowel Adenocarcinoma Committee
2017-present Academic and Community Clinical Research United (ACCRU), GI Cancer Steering Committee
2018-present Chairperson, National Comprehensive Cancer Network, Small Bowel Adenocarcinoma Treatment Guidelines Subcommittee
2018-present National Comprehensive Cancer Network, Colon, Rectal, Anal, Small Bowel Guidelines Committee
Professional Societies & Organizations
2013-present American Society of Clinical Oncology
2014-present American Association of Cancer Research
2016-present Forum for Women in Medicine