Andrew J. Bierhals, MD

Vice Chair, Community Radiology

Professor of Radiology
Vice Chair, Quality and Safety
Medical Director for CT, Center for Clinical Imaging Research
Director of Cardiothoracic Imaging, Barnes-Jewish West County

Clinical Expertise:
Cardiothoracic Clinical Leadership
Andrew J. Bierhals, MD, is a professor of radiology and serves as vice chair for quality and safety as well as vice chair for community radiology for Mallinckrodt Institute of Radiology (MIR) at Washington University School of Medicine in St. Louis. Bierhals joined MIR’s faculty in 2006 following a residency in diagnostic radiology and a cardiopulmonary fellowship. He has also served as the director of cardiothoracic imaging at Barnes-Jewish West County Hospital since 2009. When MIR began providing radiology services to Phelps Health in December 2018, Bierhals played a key role in updating quality and safety processes, which included a robust peer review. Bierhals also helped secure grant funding to establish a dedicated follow-up program to limit delay in diagnosis for patients with incidental imaging findings. As a member of the Radiological Society of North America, American College of Radiology and Society of Thoracic Radiology, he has participated in several educational, scientific and quality committees. He earned his medical degree and a master’s degree in public health at the University of Pittsburgh.

Clinical Interests

Chest radiology, thoracic imaging, coronary CTA, cardiac MRI/CT, CT guided biopsy, emergency radiology, valvular heart disease

Education History


Cardiothoracic Imaging, Mallinckrodt Institute of Radiology, Washington University School of Medicine in St. Louis


Diagnostic Radiology, Mallinckrodt Institute of Radiology, Washington University School of Medicine in St. Louis

Medical Degree

University of Pittsburgh


Public Health, University of Pittsburgh


University of Pittsburgh


American Heart Association
Society for Thoracic Radiology
ABR, Diplomate
Society for Computed Body Tomography and MR
American College of Radiology
American Roentgen Ray Society
Radiological Society of North America
American Medical Association
Senior Editor, RadEX Examination, ACR
Radiology Working Group, Pulmonary Fibrosis Foundation
Certifying Board Examination Exam Developer (Cardiac Section), ABR


2023 Dean's Impact Award, Washington University School of Medicine in St. Louis
2021 Fellow, American College of Radiology
2011-2020 Best Doctors, Inc.

Military Awards:
Army Service Ribbon, U.S. Army Reserve
Global War on Terrorism Service Medal National Defense Service Medal, U.S. Army Reserve
Army Commendation Medal, U.S. Army Reserve
Army Achievement Medal, U.S. Army Reserve