Andrew Davis, MD

Andrew Davis, MD

Medical Oncologist

Primary Academic Title

Associate Professor of Medicine, Division of Medical Oncology, WashU Medicine

Clinical Expertise

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

Research Interest

Liquid biopsies, predictive biomarkers, novel therapeutics

Education

  • 2014: MD, Northwestern University, Chicago

Training

  • 2014 - 2017: Resident, internal medicine, Northwestern University Chicago
  • 2017 - 2020: Fellow, hematology and oncology, Northwestern University

Board Certification

  • 2017: American Board of Internal Medicine
  • 2020: American Board of Internal Medicine - hematology
  • 2020: American Board of Internal Medicine - medical oncology

Selected Research Publications

Novel treatment approaches utilizing antibody-drug conjugates in breast cancer.
  • Davis AA, Hesse J, Pereira PMR, Ma CX
  • NPJ Breast Cancer 2025
Racial Differences in ctDNA Profiles, Targeted Therapy Use, and Outcomes in Metastatic Breast Cancer.
  • Podany EL, Foffano L, Gerratana L, [...] Davis AA
  • JAMA Netw Open 2025
Genetic Alterations Detected by Circulating Tumor DNA in HER2-Low Metastatic Breast Cancer.
  • Hensing WL, Gerratana L, Clifton K, [...] Davis AA
  • Clin Cancer Res 2023

Contact Information

  • Gary C. Werths Building at Siteman Cancer Center

    4500 Forest Park Avenue
    Saint Louis, MO 63108

  • North St. Louis County

    1255 Graham Road
    Florissant, MO 63031

Phone Numbers

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