Brandon Roller, MD, PhD


Dr. Brandon Roller specializes in Musculoskeletal Radiology. He received his medical degree and a Doctorate in Pathobiology from the University of Missouri. His postgraduate training in diagnostic radiology and fellowship was completed at Wake Forest School of Medicine. Additionally, he has worked in the field of orthobiologic product development and continues to consult for companies within

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Jeff Anderson, MD, Ph.D.


Jeff Anderson, MD, Ph.D., studied abstract mathematics and neuroscience at Northwestern University before completing residency and fellowship in neuroradiology at the University of Utah. Until joining Radiology Associates, he was a tenured Professor of Radiology and Bioengineering at the University of Utah where he was an attending neuroradiologist, Director of Functional Neuroimaging, and Principal Investigator of the Brain Network

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Ashley Buice, MD


Dr. Ashley Buice, our newest body radiologist, originally hails from Atlanta, where she grew up and went to school – and although she has deep roots in the South, she is thrilled to call Eugene home. After educational training with the group, she was “wowed” by the caliber of professionalism at OIC and decided to

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Dariusz Zawierucha, MD


Dr. Dariusz Zawierucha specializes in Vascular and Interventional radiology. He did his medical training at Stanford Medical School and completed his residency there in diagnostic radiology and fellowship in interventional radiology. Dr. Zawierucha joined Radiology Associates in October 2010.

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Erik Young, MD, PhD


Dr. Erik Young specializes in Body Imaging. He has a doctorate in theoretical physics besides his medical degree from the University of Arkansas, where he also served his residency training. He did a radiology fellowship in body imaging at the University of California. Dr. Young joined Radiology Associates in July 2008.

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Paul Wilson, MD


Dr. Paul Wilson specializes in Vascular and Interventional radiology. He received his medical training in Portland at the former University of Oregon Medical School – now Oregon Health and Science University. After medical school he completed a fellowship program at University of California, San Diego, in ultrasound, CT and angiography. Dr. Wilson has been instrumental in developing interventional

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David Tsai, MD


Dr. David Tsai specializes in Musculoskeletal and Trauma radiology. He received his medical degree from the University of Missouri-Kansas City. He trained in diagnostic radiology at the University of Miami/Jackson Memorial Medical Center. Dr. Tsai completed his fellowship training at Washington University’s Mallinckrodt Institute of Radiology in musculoskeletal imaging. He also completed a

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Stephan Thiede, MD


Dr. Stephan Thiede specializes in Neuroradiology. He received his medical degree and completed a radiology residency at the University of North Carolina, Chapel Hill. He also completed a two-year neuroradiology fellowship at the University of Utah. Dr. Thiede joined Radiology Associates in July 2005.  

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Jonathan Sims, MD, MBA


Dr. Jonathan Sims specializes in Women’s Imaging and Musculoskeletal radiology. He received his medical degree and MBA from the University of South Florida, where he also completed his residency and internship. In 2007, he completed his fellowship in musculoskeletal MRI. Dr. Sims joined Radiology Associates in July of 2008.  

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Alex Schabel, MD


Dr. Alex Schabel specializes in Neuroradiology. He earned his medical degree from the University of Wisconsin in 2006 and completed an internship in general surgery at the University of Washington and a radiology residency and neuroradiology fellowship at the University of Utah. Dr. Schabel joined Radiology Associates in July 2013.

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