Dr Ian Brennan

Consultant Interventional Radiologist

Radiology Department

Areas of Specialty

  • Interventional Radiology
  • Interventional Oncology
  • Radiology
  • Abdominal Diagnostic Imaging
  • Oncologic Imaging


Dr Ian Brennan graduated with honours from UCD Medical School in 2000. Following four years of basic surgical training and research in Dublin and Cork he commenced his Radiology specialty training in St James’s Hospital in 2006. From 2010 to 2012, Dr Brennan completes two years of specialist Fellowship training in Boston.


Dr Brennan was appointed staff interventional and diagnostic radiologist at Beth Israel Deaconess Medical Center with a faculty appointment to Harvard Medical School.

In 2015 he returned home to Ireland to take up a consultant appointment at St James’s Hospital Dublin, specialising in interventional radiology, interventional oncology and abdominal diagnostic imaging. His practice at Beacon hospital encompasses all aspects of radiology and in particular oncologic imaging and minimally invasive therapy.