Dr. Jim O'Brien


Secretary contact details

Ann Marie Whelan 01 885 8327 drobriensec@materprivate.ie


Contact Details

Heart & Vascular Centre, Mater Private Network, 72 Eccles Street, Dublin 7, D07 RD8P 1800 20 05 50 01 885 8327 heartcentre@materprivate.ie

Useful Information

Primary Services

Areas of Expertise

Cardiac electrophysiology. Implantable cardiac devices.


Education & Experience  

Dr. O’Brien graduated from UCD School of Medicine in 2007. He completed his higher specialist training in cardiology in Tallaght University Hospital, University Hospital Waterford, Beaumont Hospital and Mater Misericordiae University Hospital. Subsequently, he completed clinical fellowships in cardiac genetics and electrophysiology in the Mater Family Heart Screening Clinic/Mater Misericordiae University Hospital in 2019 and advanced cardiac electrophysiology in the Liverpool Heart and Chest Hospital in 2020. 


Special Interests  

Dr. O’Brien has a special interest in catheter ablation of atrial and ventricular arrhythmias and cardiac device implantation and management. 


Clinical Research & Professional Memberships  

Dr. O’Brien has been first and co-author on a number of scientific publications and worked as a sub-investigator on a number of international clinical trials. While working in Liverpool, he was lead researcher in novel techniques of catheter ablation for atrial fibrillation. He maintains European Society of Cardiology and European Heart Rhythm Association membership. 

He delivers undergraduate surgical teaching to UCC and is a vascular surgical trainer for postgraduate surgical training for RCSI.


Catheterization Laboratory trailer, Mater Private Network Heart and Vascular Centre

Our Services

Mater Private Network offers a comprehensive range of services across all health areas and in a choice of locations. Have a look at our service list and if you don't see what you are looking for, please contact us directly.

Learn more
our services