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Dr. Kevin O'Gallagher

BA (Hons), MBBS (Distinction in Clinical Practice), MRCP, PhD

Cardiologist

Live bookings available

17 years of experience

London, SE1 2PR

(+2 more)

53 connections in healthcare

Skill endorsed

by Dr Daniel Hammersley, Dr Peter Kabunga and 8 other professionals

4.98

/5

(51 reviews)

Live bookings available

17 years of experience

London, SE1 2PR

(+2 more)

53 connections in healthcare

Skill endorsed

by Dr Daniel Hammersley, Dr Peter Kabunga and 8 other professionals

Areas of expertise

All
Reviews
Skill Endorsements
Heart Scan
13
Health Assessments
10
Coronary Stent Insertion
9
1

Contact

Book online


Expert in:

About Dr. Kevin O'Gallagher

Dr. Kevin O’Gallagher is a Consultant Cardiologist with a wealth of experience and expertise in the field. He graduated from the University of Oxford and Imperial College London with BA Hons in Medical Sciences and MBBS with Distinction in Clinical Practice.

Dr. O’Gallagher then pursued specialised training in interventional cardiology in London, where he honed his skills in diagnosing and treating heart artery disease. His dedication to advancing cardiovascular medicine led him to earn a PhD from King’s College London in 2021.

Dr. O’Gallagher's clinical practice revolves around the diagnosis and treatment of coronary artery disease, with a particular emphasis on coronary intervention. He has expertise in performing angioplasty and stent procedures. He has a special interest in cardiovascular disease prevention, especially in individuals who have experienced cardiac events previously. Utilising state-of-the-art treatments, he strives to mitigate the risk of future heart attacks and strokes.

In addition to his clinical duties, Dr. O’Gallagher leads the King’s College Hospital coronary microvascular dysfunction service, providing comprehensive diagnosis and treatment for patients suffering from angina without obstructive coronary disease (ANOCA/INOCA).

Dr. O’Gallagher is an active member of several professional organisations such as the British Cardiovascular Intervention Society (BCIS) and the British Cardiovascular Society (BCS). He maintains membership with the Medical Defence Union (MDU), ensuring adherence to the highest standards of medical practice and patient care.


Subspecialties

  • Preventative Cardiology
  • Interventional Cardiology

Areas of expertise

All
Reviews
(105)
Skill Endorsements
(16)

Click the bar to read reviews or skill endorsements

Heart Scan
13
Health Assessments
10
Coronary Stent Insertion
9
1
Chest Pain
8
1
Coronary Angiography
6
1
Angioplasty
3
3
Cardiac Screening
6
Heart Health Check
6
High Cholesterol
5
Breathlessness
4
CT Coronary Angiogram
4
ECG (Electrocardiogram)
3
Unstable Angina
3
Palpitations
3
ECG Holter Monitor
3
24 Hour Blood Pressure Monitor
3
Takotsubo Syndrome
3
Cardiovascular Disease
2
Patent Foramen Ovale (PFO) Closure
2
Heart Attack
2
Echocardiogram
2
Interventional Cardiology
1
1
Cardiovascular Disease Prevention
1
1
Dizziness
1
Arrhythmia (Irregular Heartbeat)
1
Coronary Artery Disease
1
High Blood Pressure
1
Low Blood Pressure
1
Angina
1
Autonomic Disorders
1
Aortic Valve Stenosis
1
Cardiac MRI (CMR)
1
Echocardiogram (Cardiac Ultrasound)
1
Intravascular Ultrasound
1
Fainting (Syncope)
1
Cholesterol Disorders
1
Spontaneous Coronary Artery Dissection
Endomyocardial Biopsy
Hypertension (High Blood Pressure)
Rotablation (Coronary Arteries)
Pressure Wire Study (Coronary Angiography)
Dyslipidaemia
Video Consultation
Refractory Angina Management
Atherosclerosis
Acute Coronary Syndrome (ACS)
Non-Obstructive Coronary Artery Disease
Microvascular Angina
Exercise Stress Test
Aortic Stenosis
Cardiac Shock Wave Therapy (CSWT)
Cardiac CT
Postural Orthostatic Tachycardia Syndrome (POTS)
Calcium Coronary Score
Ischaemic Heart Disease
Atrial Fibrillation
Stenting Procedures
Exercise Testing
Bradycardia
Congestive Heart Failure
DVLA Assessments
Digital Health
Ectopic (Missed) Beats
Complex Coronary Interventions
Heart Murmurs
Irregular Heart Beat
Bubble Contrast Echocardiography
Pericarditis
Valvular Heart Disease
Cardiac Catheterisation
Lipids

Registered with

General Medical Council

No. 7020627


Education

Imperial College London

Medicine

Graduated 2008


Qualifications

BA (Hons) Medical Sciences, University of Oxofrd

MB BS 2008 Imperial College London (Distinction in Clinical Practice)

PhD King's College London


Languages spoken

  • English

Insurers

  • WPA
  • Simply Health (Dental)
  • Aviva Health
  • Vitality
  • AXA Health
  • Bupa
  • Cigna

Fees

  • New appointment

    £250
  • Follow-up appointment

    £175
*May vary on location

Locations

HCA Healthcare UK London Bridge Hospital

27 Tooley Street, London, United Kingdom, SE1 2PR

4.82(5292 reviews)

Opening hours

Monday
Tuesday
Wednesday
08:00 - 12:00
Thursday
Friday
Saturday
Sunday

Facilities

Wheelchair Accessible
View practice profile

Opening hours

Monday
Tuesday
Wednesday
08:00 - 12:00
Thursday
Friday
Saturday
Sunday

Facilities

Wheelchair Accessible
View practice profile

HCA UK Canary Wharf

40 Bank Street, London, United Kingdom, E14 5NR

4.97(99 reviews)

Opening hours

Monday
Tuesday
17:00 - 20:00
Wednesday
Thursday
Friday
Saturday
Sunday

King's Private - The Guthrie Wing

The Guthrie Wing, King's College Hospital, Denmark Hill, London, United Kingdom, SE5 9RS

4.84(70 reviews)

Opening hours

Monday - Friday
Saturday
Sunday

Areas of expertise

All
Reviews
Skill Endorsements
Heart Scan
13
Health Assessments
10
Coronary Stent Insertion
9
1

Contact

Book online

Reviews

AI Review Summary

This summary was created by AI based on recent reviews

Dr. Kevin O'Gallagher offers clear, professional explanations to patients. He explores medical issues, providing full diagnoses and treatment plans. Patients also value his good advice and quick responses during their care. Common concerns such as chest pain are managed with health assessments and heart scans, involving coronary stent insertion.

5
verified patient
15 Jun 2026

Dr O’Gallagher’s analysis of my medical issues and recommendations for how to proceed were exceptionally good. I have gone from a position of feeling somewhat anxious and unsure to having a real sense of clarity and purpose as to next steps and the longer term prognosis. He has definitely gone the extra mile to be supportive and helpful. I am happy to recommend Dr O’Gallagher in the highest terms.

5
verified patient
06 May 2026

I was referred to Dr. O'Gallagher after a routine health check., and I was extremely impressed with the level of care. He was incredibly patient, taking the time to explain every test and result in a way I could easily understand as a lay person. It was evident throughout that he prioritised my interests and made sure I was fully informed. Highly recommended.

5
verified patient
29 Mar 2026

Dr O’Gallagher provides excellent care. He took the time to explain my results in terms I could understand and addressed all my concerns. I would refer him to any friend in need of a cardiologist.

5
verified patient
20 Mar 2026

Dr O'Gallagher gave me a very calm, structured and reassuring explanation of my situation and how best to address it. All my questions were answered clearly and factually and I left the consultation with a much greater feeling of trust in the procedures being advised than when I arrived.

5
verified patient
19 Mar 2026

I cannot fault my experience with Dr O'Gallagher. Extremely courteous and explained everything that was going to happen and everything that had happened in detail

5
verified patient
13 Mar 2026

I recently had a follow-up consultation with the doctor after my diagnosis, and I was very impressed with the level of care and professionalism throughout the appointment. He took the time to clearly explain the diagnosis, the possible treatment options, and what the next steps would be. What stood out most was how patiently he answered all my questions and ensured I fully understood the information being shared. He provided relevant and practical guidance, which helped me feel more confident and reassured about managing the condition going forward. The consultation was handled with great professionalism, empathy, and attention to detail. I truly appreciated the clarity of communication and the supportive approach. Overall, it was an excellent experience, and I’m very grateful for the care and expertise provided.

Patient seen for:
5
verified patient
25 Feb 2026

I had a visit with Dr O'Gallagher due to heart concerns as this is potentially a genetic problem in my family. Dr O'Gallagher has taken my concerns very seriously and professionally. He prescribed a set of comprehensive checks to assess the oevrall health of my heart, and during our follow-up appointment he has walked me through the results in a clear and intuitive manner. I was very happy with my experience overall and look forward to meet Dr O'Gallagher again in 3 months for our next follow-up.

5
verified patient
21 Feb 2026

The five stars are all given because they are deserved. In particular I was highly impressed by Doctor O'Gallagher's full and rapid responses when I raised queries by email.

5
verified patient
19 Feb 2026

Really personal approach, extremely thorough and would highly recommend!

4.33
verified patient
30 Jan 2026

I was referred to Dr O'Gallagher as I had an issue with my blood pressure. I found him very easy to talk to and he explained things in an easy to understand fashion. I he is very approachable and has an easy manner. He made me feel very comfortable I would have no hesitation in recommending him.

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Skill Endorsements

Dr O'Gallagher is an outstanding Cardiologist and colleague at HCA London Bridge and King's. He is an expert in coronary intervention, structural and preventative cardiology. I frequently refer him patients and highly recommend his expert opinion. He also runs a state-the-art research programme.

14 Jan 2026
Endorsed for
Preventative Cardiology
Cardiovascular Disease Prevention
Angina

Dr Daniel Hammersley

Dr Daniel Hammersley

Cardiologist
Is a colleague

20 Jul 2025
Endorsed for
Angioplasty
Heart Attack

Dr Peter Kabunga

Dr Peter Kabunga

Cardiologist
Is a colleague

excellent cardiologist

17 Jun 2025
Endorsed for
Angioplasty
Heart Attack

Mr Habib Khan

Mr Habib Khan

Cardiothoracic Surgeon
Is a colleague

Dr O'Gallagher is an exceptional cardiologist whom I have worked with for many years. He cares deeply for his patients and always strives to provide the highest standard of care. He is highly intelligent, and always provides a considered and balanced opinion when asked for advice. His undertakes world-leading research into cardiovascular conditions which keeps him at the cutting edge of cardiology practice. He is highly skilled in a wide range of interventional cardiology procedures, achieving excellent outcomes for his patients. I would be delighted for any of my friends or family to be treat...

Read more

17 Jun 2025
Endorsed for
Interventional Cardiology
Preventative Cardiology

Dr. Matthew Ryan

Dr. Matthew Ryan

Cardiologist
Is a colleague
Dr. Kevin O'Gallagher logo

Get to know Dr. Kevin O'Gallagher

Most recent articles

Read articles from Dr. Kevin O'Gallagher explaining process of procedures and other important things you should know before choosing your provider.

The emerging role of artificial intelligence in heart failure - PubMed

The emerging role of artificial intelligence in heart failure - PubMed

Heart Failure is a prevalent disease with significant impacts on morbidity and mortality. Heart failure patients have a large volume of healthcare data which is digitized and can be collated. Artificial intelligence (AI) can then be used to assess the data for underlying patterns. AI systems can be …

03 July 2025

pubmed.ncbi.nlm.nih.gov

What wearables can (and can’t) tell you about your heart health

What wearables can (and can’t) tell you about your heart health

Wearables can be helpful in understanding whether the lifestyle changes you’ve made are having a measurable effect on your heart health.

28 February 2026

theconversation.com

FAQ

What are Dr. Kevin O'Gallagher's reviews like?

Dr. Kevin O'Gallagher's overall patient rating is 4.98 out of 5 stars on Doctify. This is based on 51 reviews.

What languages does Dr. Kevin O'Gallagher speak?

Dr. Kevin O'Gallagher speaks English

Where is Dr. Kevin O'Gallagher located?

Dr. Kevin O'Gallagher primarily practices at HCA Healthcare UK London Bridge Hospital, located at 27 Tooley Street, London, United Kingdom, SE1 2PR
See more locations

What are Dr. Kevin O'Gallagher working hours?

Dr. Kevin O'Gallagher is working Tuesday (17:00 - 20:00), Wednesday (08:00 - 12:00)

Find where Dr. Kevin O'Gallagher operates today

Does Dr. Kevin O'Gallagher accept new patients?

Dr. Kevin O'Gallagher generally accepts new patients.

Get in touch with this specialist to enquire as a new patient