Dr Fleishman has been practicing radiology in Denver as a member of Radiology Imaging Associates since 1997.  Based at Swedish Medical Center, he has been chief of the radiology department since 2000. Swedish Medical Center has been a state-designated Level I Trauma Center since 2003, also a leader in Comprehensive Stroke and Lung Cancer.

Earning his medical degree from Columbia University College of Physicians & Surgeons, he completed internship in Medicine and fellowship training in Nuclear Medicine at the Presbyterian Hospital in the City of New York.  He went on to complete residency training in Diagnostic Radiology and additional fellowship training in Thoracic Imaging at the Mallinckrodt Institute of Radiology, Washington University Medical Center in St Louis.  He is certified by the American Board of Radiology and the American Board of Nuclear Medicine.  In 2013, he was elected as a Fellow of the American College of Radiology. In 2011, he completed a Master Degree program in Medical Management from Heinz College at Carnegie Mellon University in Pittsburgh. 

Dr Fleishman is a board member of COPIC Insurance Company and a Trustee of the HealthOne Hospital System in Denver, Colorado, currently Chair of the Patient Safety and Quality Committee of the Board.  In his role at COPIC, Dr Fleishman has lectured nationally on the nature of errors in diagnostic imaging and strategies for risk reduction.

Active in medical staff leadership at Swedish Medical Center for more than 10 years, Dr Fleishman has served in a variety of roles on the Medical Executive Committee and is a past President of the Medical Staff.  He is also past Chairman of the Council of Medical Staff Presidents for the HealthOne hospital system in Denver.