Michael J. O'Brien, M.D., received his undergraduate degree in biochemistry at the University of California, Davis, and his medical degree at the University of Vermont College of Medicine. He completed an internship in Tucson, Arizona, followed by his residency in Diagnostic Radiology at the University of Arizona. He completed his fellowship in Vascular Interventional Radiology at the University of California, San Francisco. Prior to joining Colorado Imaging Associates in 2008, Dr. O'Brien served as an Assistant Professor of Radiology at the University of Arizona. He has been board-certified since 2002 and received a Certificate of Added Qualification in Vascular and Interventional Radiology in 2005. He has extensive experience in the management of liver disease including biliary disease, portal hypertension, and hepatic malignancy. He and his wife live in Denver, along with their young son. He enjoys playing basketball and golf.

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