Clinical interests for Dr. Cassidy include syncope (fainting), atrial fibrillation, and endocarditis. He is affiliated with St. Anthony's Hospital, Largo Medical Center - Indian Rocks Road Campus, and St. Petersburg General Hospital. Blue Cross Blue Shield EPO, Blue Cross Blue Shield Bronze, and Blue Cross Blue Shield HMO are among the insurance carriers that Dr. Cassidy takes. For his professional training, Dr. Cassidy completed a residency program at a hospital affiliated with the University of Toronto. He speaks Spanish.