Brett Herzog, MD, PhD

Brett Herzog, MD, PhD

Medical Oncologist

Primary Academic Title

Instructor of Medicine, Division of Medical Oncology, Washington University School of Medicine

Clinical Expertise

As a member of our lung cancer specialist team, Dr. Herzog cares for patients diagnosed with lung cancer through treatment and recovery. Learn more about how Dr. Herzog and Siteman approach lung cancer diagnosis and staging, treatment and recovery.

Research Interest

Understanding why patients do not initially respond to therapy and/or the mechanisms by which they develop resistance to therapy.


  • 2013: PhD, blood and lymphatic vessel separation, University of Oklahoma Health Sciences Center, Oklahoma City
  • 2015: MD, University of Oklahoma Health Sciences Center


  • 2017 - 2021: Fellow, hematology and medical oncology, Washington University, St. Louis

Board Certification

  • 2018: American Board of Internal Medicine
  • 2021: American Board of Internal Medicine (Medical Oncology)

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Contact Information

  • Illinois

    1418 Cross St.
    Shiloh, IL 62269

Phone Numbers

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