Expertise in
7
conditions

Mark D. O'neill

4th Floor North Wing, St Thomas' Hospital, 
London, ENG, GB 
Expertise in
7
conditions
4th Floor North Wing, St Thomas' Hospital, 
London, ENG, GB 
OverviewLocationsClinical Research

Overview

Mark O'neill practices in London, United Kingdom. Mr. O'neill is highly rated in 7 conditions, according to our data. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Atrial Tachycardia, Ventricular Tachycardia, and Cardiac Ablation.

His clinical research consists of co-authoring 164 peer reviewed articles and participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years.

Gender
Male

Locations

4th Floor North Wing, St Thomas' Hospital, London, ENG, United Kingdom
Other Locations
Guy's and St Thomas' Hospitals
London, ENG, United Kingdom

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Experts who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

1 Clinical Trials

Evaluation of a Multi-electrode Linear Type Catheter (D-1368-01-SI) for Endocardial Ablation of Patients With Persistent Atrial Fibrillation (LME-167)
Evaluation of a Multi-electrode Linear Type Catheter (D-1368-01-SI) for Endocardial Ablation of Patients With Persistent Atrial Fibrillation (LME-167)
Enrollment Status: Completed
Publish Date: February 03, 2025
Intervention Type: Device
Study Phase: Not Applicable

164 Total Publications

Defining persistent atrial fibrillation patient subgroups: predicting responses to repeat ablation procedures to enhance treatment efficacy.
Defining persistent atrial fibrillation patient subgroups: predicting responses to repeat ablation procedures to enhance treatment efficacy.
Journal: Expert review of cardiovascular therapy
Published: September 24, 2025

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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