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Dr Mark H Williams

BSc MBBS FRCP MD

Cardiologist

28 years of experience

Chertsey, KT16 0RQ

(+2 more)

12 connections in healthcare

Skill endorsed

by Dr Zhong Chen, Dr Winston Martin and 3 other professionals

4.97

/5

(120 reviews)

28 years of experience

Chertsey, KT16 0RQ

(+2 more)

12 connections in healthcare

Skill endorsed

by Dr Zhong Chen, Dr Winston Martin and 3 other professionals

Areas of expertise

All
Reviews
Endorsements
ECG (Electrocardiogram)
51
1
Chest Pain
30
4
High Blood Pressure
21
1

Contact

Book


Expert in:

About Dr Mark H Williams

Dr. Mark H Williams is a highly qualified Consultant Interventional Cardiologist. He specialises in Interventional Cardiology and General Cardiology, and has experience in a wide range of areas, such as Heart Failure, Chest Pain, Angina, Ischaemic Heart Diseases, Valvular Heart Disease, Pulmonary Hypertension and Left and Right Heart Catheterisation.

Dr. Williams obtained his degree in medicine from Kings College Hospital, University of London. Following his initially medical training and years as a senior house officer, he then went on to obtain the MRCP from the Royal College of Physicians of England. He undertook a clinical research fellowship in Systemic sclerosis associated pulmonary arterial hypertension at the Royal Free Hospital under the supervision of Dr Gerry Coghlan and Professor Christopher Denton and was then awarded his MD in Clinical research from the University of London.

Following on from his research fellowship, Dr. Williams completed specialist training in interventional cardiology at the Royal Sussex County and King's College Hospitals. He was appointed as Locum Consultant Interventional cardiologist at the Royal Sussex County hospital, Brighton before shortly being offered a substantive post as Consultant Interventional Cardiologist at Ashford and St Peter's Hospitals NHS Foundation Trust in 2013.

During his time at Ashford and St. Peters, he worked on the set-up of the highly successful primary PCI service for treatment of heart attacks. He also became a fellow of the Royal College of Physicians.

In addition to his busy practice, he also undertakes teaching for all levels of medical colleagues, from medical students upwards.


Subspecialties

  • Interventional Cardiology

Areas of expertise

All
Reviews
(203)
Endorsements
(41)

Click the bar to read reviews or skill endorsements

ECG (Electrocardiogram)
51
1
Chest Pain
30
4
High Blood Pressure
21
1
Coronary Angiography
10
4
Exercise Stress Test
10
3
Angioplasty
8
4
Coronary Stent Insertion
7
3
Angina
8
1
Coronary Artery Disease
5
2
ECG Holter Monitor
5
1
Heart Attack
3
3
Heart Failure
6
Cardioversion
6
Pressure Wire Study (Coronary Angiography)
2
4
Palpitations
5
Atrial Fibrillation
5
Unstable Angina
4
24 Hour Blood Pressure Monitor
3
1
Acute Coronary Syndrome (ACS)
1
2
Implantable Loop Recorder (ILR)
3
Cardiovascular Disease
1
Dizziness
1
Tachycardia
1
Angiogram
1
Arrhythmia (Irregular Heartbeat)
1
Atherosclerosis
1
Valvular Heart Disease
1
Bradycardia
1
Calcium Coronary Score
1
CT Coronary Angiogram
1
Heart Murmurs
1
Heart Scan
1
Echocardiogram (Cardiac Ultrasound)
1
Pulmonary Embolism (Lung Blood Clot)
1
Supraventricular Tachycardia (SVT)
1
Interventional Cardiology
1
Cardiac Screening
1
Intravascular Ultrasound
Video Consultation

Registered with

General Medical Council

No. 4417804


Education

University of London

Medicine

Graduated 1997


Qualifications

BSc Basic Medical Sciences with Immunology King's College London, University of London 1994

MBBS King's College School of Medicine, University of London. 1997

MRCP (UK) Royal College of Physicians 2000

MD (Res) University of London 2012

Subspecialty training in cardiac intervention Royal Sussex County and King's College Hospitals 2011

Member of the British Cardiac Intervention Society

FRCP (UK) Royal College of Physicians 2017





Languages spoken

  • English

Consultation fees

  • New appointment: £200
  • Follow-up appointment: £150

Insurers

  • Benenden Health
  • Healix Health Services
  • Allianz Worldwide Care
  • AXA Health
  • WPA
  • Simply Health (Dental)
  • Aviva Health
  • Cigna
  • Vitality
  • Bupa
  • Bupa Fee Assured

Location

All locations for Dr Mark H Williams

The Runnymede Hospital (part of Circle Health Group)

4.88

(694)

Guildford Road Ottershaw, Chertsey, United Kingdom, KT16 0RQ

4.87

(998)

London Road, North Cheam, Sutton, United Kingdom, SM3 9DW

4.86

(7)

45 Queen Anne St, London, United Kingdom, W1G 9JF

Reviews

AI Review Summary

This summary was created by AI based on recent reviews

Dr Mark H Williams is consistently described as professional, clear, kind, and reassuring in his patient interactions. He conducts thorough examinations and provides clear explanations regarding procedures such as ECGs, angiograms, angioplasties, and stent insertions. Patients feel listened to and well supported, with many noting his prompt actions in arranging necessary investigations and providing comprehensive care. Many patients seek help for chest pain or high blood pressure, receiving effective diagnostic and treatment plans, often involving an electrocardiogram.

5.0
verified patient
19 Mar 2026

The Consultancy visit was very professional and all matters explained in a clear and understandable way.

Patient seen for:
5.0
verified patient
17 Mar 2026

Best doctor ive been to, explained everything and ensured I understood. Very professional and pays attention to intricate details. Would definitely recommend

5.0
verified patient
22 Feb 2026

Excellent experience, very professional and reassuring

Reply from Mark H Williams
23 Feb 2026
avatar-image

Thank you for your feedback. This is most appreciated.

5.0
verified patient
20 Feb 2026

I felt that the interview was to the point and effective I was listened to and different options were considered. I felt a sense of relief and I am looking forward to a favourable outcome.

Reply from Mark H Williams
23 Feb 2026
avatar-image

Thank you for your feedback. This is most appreciated.

5.0
verified patient
09 Feb 2026

Meeting Dr Williams was a breath of fresh air, he listened and understood the situation. He was efficient with his testing and no appointment was a long wait and he was always on time at appointments, was a pleasure to meet him

Reply from Mark H Williams
16 Feb 2026
avatar-image

Thank you so much for your review. It is most appreciated.

5.0
verified patient
19 Jan 2026

The review was very good and the explanation written to the doctor and copy to myself explain what has occured. I would like to thank Dr Wiiams and staff for their courtesy and response.

Reply from Mark H Williams
16 Feb 2026
avatar-image

Thank you so much for your review. It is most appreciated

5.0
verified patient
14 Jan 2026

After arriving at hospital I was seen within 10 minutes .Checked by Dr Mark Williams and given an ECG .I was then prescribed blood thinners. An appointment arranged for Thursday for another check on my heart.With Thanks

Reply from Mark H Williams
16 Feb 2026
avatar-image

Thank you so much for your review. It is most appreciated

5.0
verified patient
08 Jan 2026

Doctor Williams is an extremely knowledgeable consultant who communicates clearly and effectively. He is approachable, efficient, and takes time to ensure that you feel informed and comfortable. Highly professional and reassuring throughout.

Patient seen for:
Reply from Mark H Williams
16 Feb 2026
avatar-image

Thank you so much for your review. It is most appreciated

5.0
verified patient
26 Dec 2025

Thanks to Mr Williams, He was able to calm me and answer all provoked questions with reassurance both medically and personally during my time in clinic with him. I would highly recommend Mr Williams to anyone seeking cardiology.

Reply from Mark H Williams
16 Feb 2026
avatar-image

Thank you so much for your review. It is most appreciated

5.0
verified patient
02 Dec 2025

Dr. Williams was very kind and clear when I went in for my consultation. He explained everything clearly and want to do further investigation to cover all areas of my symptoms. I am also very grateful for Ava Williams for being kind and booking me in as quick as possible. Thank you so much. God bless you both

Patient seen for:
Reply from Mark H Williams
16 Feb 2026
avatar-image

Thank you so much for your review. It is most appreciated

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Endorsements

Hard working doctor and empathetic to patients

04 Aug 2023
Endorsed for
Cardiology
Pressure Wire Study (Coronary Angiography)
Coronary Angiography

Dr Zhong Chen

Dr Zhong Chen

Cardiologist
Is a colleague

Dr Williams is a very considerate, caring professional who places his patients' wellbeing and safety at the centre of his practice. He is a very skilled coronary interventionist and achieves excellent results.

04 Aug 2023
Endorsed for
Cardiology
Pressure Wire Study (Coronary Angiography)
Coronary Angiography

Dr Winston Martin

Dr Winston Martin

Cardiologist

Mark is a great colleague and an excellent interventional cardiologist. He is approachable, conscientious and a very caring doctor. His decision making is calculated and evidenced based.

22 Oct 2022
Endorsed for
Cardiology
Coronary Angiography
Angioplasty

Mr Max Baghai

Mr Max Baghai

Cardiothoracic Surgeon
We trained together

Dr Williams is a great colleague and excellent doctor. Very helpful and cooperative. He has vast experience in general cardiology and specialises in interventional cardiology.

19 Oct 2022
Endorsed for
Cardiology
Pressure Wire Study (Coronary Angiography)
Coronary Angiography

DK

Dr Riyaz Kaba

Cardiologist
Is a colleague
Dr Mark H Williams logo

Get to know Dr Mark H Williams

Most recent videos

Explore videos from Dr Mark H Williams explaining process of procedures and other important things you should know before choosing your provider.

Meet Dr Williams

Meet Dr Williams

11 April 2024

FAQ

What are Dr Mark H Williams's reviews like?

Dr Mark H Williams's overall patient rating is 4.97 out of 5 stars on Doctify. This is based on 120 reviews.

What languages does Dr Mark H Williams speak?

Dr Mark H Williams speaks English

Where is Dr Mark H Williams located?

Dr Mark H Williams primarily practices at The Runnymede Hospital (part of Circle Health Group), located at Guildford Road Ottershaw, Chertsey, United Kingdom, KT16 0RQ
See more locations

What are Dr Mark H Williams working hours?

Dr Mark H Williams is working Friday (08:00 - 12:30)

Find where Dr Mark H Williams operates today

Does Dr Mark H Williams accept new patients?

Dr Mark H Williams generally accepts new patients.

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