Dr Mark Walsh

Consultant Congenital Cardiologist

Areas of Specialty

  • Paediatric Electrophysiology
  • Inherited Cardiac Conditions (Paeds)
  • Cardiology (Paeds)


Dr Walsh trained in paediatric cardiology in Sickkids in Toronto and did his electrophysiology training in Cincinnati Children’s Hospital.


Dr Walsh is a Consultant Paediatric Cardiologist at Beacon Hospital.

Dr Walsh was a consultant at Bristol Royal Hospital for Children from March 2012 to June 2018. He was appointed to Our Lady’s Children’s Hospital Crumlin and the Mater Hospital in July 2018 to take on the lead for paediatric and adult congenital electrophysiology. He undertakes ablations weekly in Crumlin for paediatric arrhythmias.