Debbie L. Bennett, MD

Chief, Breast Imaging

Associate Professor of Radiology

Clinical Expertise:
Breast Clinical Leadership
Debbie L. Bennett, MD, is an associate professor of radiology and chief of breast imaging for Mallinckrodt Institute of Radiology (MIR) at Washington University School of Medicine in St. Louis. Bennett, who was named chief in 2020, oversees screening and diagnostic mammography services and is a member of the breast cancer specialist team at Siteman Cancer Center. She previously established the breast imaging section at Saint Louis University School of Medicine, serving on the faculty for several years. She is also engaged with community outreach and education, including work as a Siteman health equity fellow through the Oncologic Imaging Program. After an internship in internal medicine at Vanderbilt University Medical Center, Bennett completed a residency in diagnostic radiology and a fellowship in breast imaging, both at Massachusetts General Hospital. She earned her medical degree from Harvard Medical School.

Clinical Interests

Breast cancer screening and diagnosis, mammography, breast ultrasound, breast intervention

Research Interests

Breast cancer screening and diagnosis, mammography, breast ultrasound, breast intervention

Link to Publications

Education History


Breast Imaging, Massachusetts General Hospital


Diagnostic Radiology, Massachusetts General Hospital

Medical Degree

Harvard Medical School


Princeton University


American College of Radiology
American Roentgen Ray Society
Society of Breast Imaging
Missouri State Medical Association
Missouri Radiological Society
Radiological Society of North America
St. Louis Metropolitan Medical Society
Deputy Editor, RSNA Case Collection
Educational Exhibits Committee – Breast subsection, RSNA
Breast Certifying Examination Committee, American Board of Radiology
Screening Leadership Group, American College of Radiology/Society of Breast Imaging
Economics Committee on Breast Imaging, American College of Radiology
RADPEER Committee, American College of Radiology


2011 and 2013 Educational Exhibit Certificate of Merit, Radiological Society of North America