
Professor Mark Gallagher
Cardiology in Chertsey and Sutton

Professional statement
Professor Mark Gallagher is a leading London cardiologist who sees patients at Spire St Anthony's Hospital, BMI The Runnymede Hospital and St George's Hospital NHS Trust, London. He has been the Clinical Lead in electrophysiology at St George's for over ten years and is consistently the busiest electrophysiologist in the region, performing 450-500 procedures yearly. Dr Gallagher's field of particular interest is ablation for atrial fibrillation and other complex atrial arrhythmias.
Professor Gallagher attended medical school and completed basic medical training and initial training in cardiology in Ireland. He later moved to St George's Hospital, London in 1996 to pursue subspecialist training in cardiac electrophysiology and pacing.
Professor Gallagher was a research fellow and later became a registrar and senior registrar at St George's between 1996 and 2002. At the beginning of 2003, Professor Gallagher moved to Rome, Italy where he started an interventional EP unit in the new university hospital "Policlinico Tor Vergata".
Professor Gallagher transferred from Rome to Cardiff in 2007 before returning the following year to St George's Hospital.
Clinics

The Runnymede Hospital - part of Circle Health Group
Chertsey, Guildford Street, KT16Medical insurances accepted
Credentials
Professional experience
- 30 years of experience
- Consultant Cardiologist, St George's Hospital NHS Trust (2008 - present)
Subspecialties
- Cardiac devices
- Electrophysiology
Professional memberships
- Fellowship of the Royal College of Physicians of Ireland (FRCPI)
- Membership of the Royal Colleges of Physicians
Education
- Bachelor of Sciences
- Doctor of Medicine (1996)
Publications and conferences
- Harding I, Bastiaenen R, Khan P, Sharma R, Gallagher MM. EP Image: A fibrillating left atrial appendage during sinus rhythm. JACC: Clinical Electrophysiology 2016;1: in press. (accepted 08/09/2016).
- Gonna H, Domenichini G, Zuberi Z, Norman M, Kaba R, Roberts D, Gang Y, Grimster A, Gallagher MM. Safety and efficacy of the STSF catheter: case-control comparison to the original SF in the first 100 cases. Europace 2016 (EUPC-D-16-00096R2).
Prizes and awards
- Shanahan Prize in Cardiology (1999)
Languages spoken
- English
Reviews
- Would you recommend this doctor?
- Treatment of the doctor
- Treatment of the staff
- Waiting time
- Condition of facilities
- Excellent consultation
- I found Professor Gallagher to be very competent and reassuring. I’m so pleased he’s looking after me.
- All went smoothly.
- Can’t think of any criticism to make.
- As always Dr Gallagher was very professional, he is an excellent cardiologist.
- Professor Mark was outstanding. In particular, we was clear, succinct and confident. Rebecca, his assistant, was similarly efficient, proactive and responsive. They make a great team and I am reassured and entirely trusting as a result.
- Professor Gallagher was professional, knowledgeable and very reassuring.
- Professor Mark Gallagher has performed surgical procedure for me and I have no words to express my extreme gratitude for all he had done to me. I am so pleased to be referred to him and already more than a month since I am clearly delighted with the result. I will certainly recommend !