Tessa S. Cook, MD, PhD


Tessa S. Cook, MD, PhD

Assistant Professor of Radiology at the Perelman School of Medicine

Dr. Tessa Cook is an Assistant Professor of Radiology at the Perelman School of Medicine at the University of Pennsylvania in Philadelphia. Dr. Cook has been a passionate advocate for medical imaging informatics since her residency days and is now the fellowship director for the Penn Radiology Informatics Fellowship. In a prime example of medical imaging informatics at work, Dr. Cook is the principal developer of RADIANCE, a free, open-source dose monitoring software for CT, which was released worldwide in 2010. She is a frequent speaker at imaging informatics events and most recently, she helped develop the National Imaging Informatics Curriculum and Course to introduce senior radiology residents to the fundamentals of imaging informatics, with emphasis on practical concepts and knowledge.



Tessa earned dual bachelor’s degrees in Biomedical Engineering and Computer Science from Johns Hopkins University (JHU) in 1997, and a Masters in Biomedical Engineering from JHU in 1999. She completed her MD/PhD at the University of Pennsylvania Schools of Medicine and Engineering and Applied Sciences (SEAS) in 2007, where she conducted her doctoral work in the Department of Bioengineering. She completed an internship in the Department of Medicine at Pennsylvania Hospital in 2008, residency in the Department of Radiology at the Hospital of the University of Pennsylvania in 2012 and fellowship in the Division of Cardiovascular Imaging in 2013. Dr. Cook is a diplomate of the American Board of Radiology (ABR), the American Board of Imaging Informatics (ABII), and the Certification Board of Cardiovascular Computed Tomography (CBCCT).


  • Cardiovascular Imaging
  • Radiology Informatics
  • Dose Monitoring
  • Radiology Education
  • Quality and Safety
  • Health Policy
  • Cost-effectiveness Analysis


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