Dr. Moriarty obtained his medical degree from University College Dublin in Dublin, Ireland, where he graduated with First Class Honours (Summa Cum Laude) in both Medicine and Surgery, and received the Misericordiae Gold Medal for placing first in his graduating class. After completing his internship in both medicine and surgery, he commenced his internal medicine residency in the Mater University Hospital, Dublin, and completed his board certification in Internal Medicine (MRCPI) in 2005.
Dr. Moriarty commenced his radiology residency in 2005, also in the Mater Hospital. He served as Chief Resident and also received the Radiologic Society of Ireland Gold Medal in 2007, prior to becoming a fellow of the Faculty of Radiologists in 2008.
Dr. Moriarty moved to UCLA in 2009 where he completed fellowships in Interventional Radiology and Cardiovascular Imaging. Upon completion of his fellowship, Dr. Moriarty accepted a faculty position at UCLA. There he devotes his time to interventional radiology and cardiovascular radiology, with a focus on arterial and venous disease therapeutics, advanced imaging, AVMs, dialysis interventions, and embolization.