Gary J. Felsberg, MD


Dr. Felsberg is regarded as one of the foremost authorities in the field of neuroradiology. He has lectured and written extensively on a myriad of neuroradiology topics. He co-authored several texts and book chapters and has published more than 50 peer-reviewed articles and abstracts. Dr. Felsberg is a senior member of the American Society of Neuroradiology (ASNR) and a member of the American Society of Head and Neck Radiology (ASHNR), the American Society of Pediatric Neuroradiology (ASPNR) and the American Society of Spine Radiology (ASSR).

Dr. Felsberg was one of the co-founders of NationalRad in 1999. In addition to serving as a neuroradiologist for NationalRad for many years, Dr. Felsberg has also held such positions as assistant professor of radiology at Duke University Medical Center in Durham, North Carolina, neuroradiologist at International Magnetic Imaging in Boca Raton, Florida, Neuroradiology section chief at Florida Radiology Associates in Orlando, Florida, chief medical officer of Florida Radiology Imaging in Lake Mary, Florida and chairman of the Department of Radiology of the Florida Hospital Campuses in and around Orlando, Florida. Dr. Felsberg has been awarded for his work and was the recipient of the Reed P. Rice, M.D. Award given by the Duke University Department of Radiology for teaching excellence by a faculty member.

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Bachelor's Degree

+ Boston University, Boston, MA

Medical Degree 

+ Boston University School of Medicine, Boston, MA


Diagnostic Radiology Residency

+ State University of New York at Stony Brook / Nassau County Medical Center, East Meadow, NY


Neuroradiology Fellowship

+ Duke University, Durham, NC

Areas of Interest

+ Brain Tumor Imaging

+ Imaging of Seizure Disorders

+ Neuroradiology, Particularly Head and Neck Imaging, Pediatric Neuroimaging and Spine Imaging


+ American Board of Radiology

+ Certificate of Added Qualification (CAQ) in Neuroradiology


+ Associate Professor of Radiology - Florida State University School of Medicine, Tallahassee, FL

+ Assistant Professor of Radiology - University of Central Florida School of Medicine, Orlando, FL


  1. Birenbaum D, Bancroft L & Felsberg GJ. Imaging in acute stroke. Western Journal of Emergency Medicine, accepted Jan 2010.
  2. Oppenheim R & Felsberg GJ. 2008. Cerebral embolism of probable aortic origin. New England Journal of Medicine, 17, 358.


  1. Imaging of the Skull Base
    Florida Hospital Orlando Radiology Residency Lecture, January 16, 2013, Orlando, FL
  2. Intraoperative MRI Guidance in Neurosurgery
    Florida Hospital, October 18, 2011, Orlando, FL
  3. Diagnostic and Therapeutic Advancements in the Treatment of Brain and Spine Tumors
    October 20, 2011, Orlando, FL
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