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One Heart Clinic - Cardiology Consulting & Diagnostic Centre

Cardiology, Cardiothoracic Surgery and Respiratory Medicine in W1G Marylebone London

5.0Review appointment
“I consulted Dr Nijjer feeling very anxious. He arranged a couple of investigations and reassured me that they were simply to confirm his view that I did not have AF. The investigations proved him correct. He has a wonderfully reassuring manner and I cannot praise his approach highly enough.”
11 June 2026 - S.S.Verified patient
See the 236 reviews

Specialties provided by One Heart Clinic - Cardiology Consulting & Diagnostic Centre

Specialists in:

Cardiology

Cardiothoracic Surgery

Respiratory Medicine

  • Information
  • Credentials
  • Reviews
  • Content

What makes One Heart Clinic - Cardiology Consulting & Diagnostic Centre a leading medical centre in W1G Marylebone London?

One Heart Clinic is a cardiac centre of excellence based in the heart of London’s medical district on Harley Street. It provides a full range of non-invasive cardiology diagnostics, using state of the art equipment. The One Heart Clinic cardiologists also perform invasive cardiology interventions to treat a variety of cardiac conditions within many of London’s renowned private hospitals. They also hold posts at leading London teaching hospitals and have trained in some of the most prestigious hospitals in London and Cambridge.

One Heart Clinic has its own consulting and diagnostic suite and access to on-site cardiac CT and open cardiac MRI scanners, allowing patients to receive the full range of advanced care all in one place. Designed with patient-centred care in mind, the clinic aims to provide easy access and world-class standards.

They believe the finest cardiac care can only be achieved by the best cardiologists in their fields. These cardiologists collaborate to work together and trust each other to deliver expert advice and treatment tailored to the individual patient.

Clinic locations

  • One Heart Clinic - Cardiology Consulting & Diagnostic Centre profile image

    One Heart Clinic - Cardiology Consulting & Diagnostic Centre

    W1G Marylebone London, 68 Harley Street, Marylebone,

    Expert in:

    Coronary angiography
    Coronary bypass surgery
    Coronary heart disease
    Heart check up
    Hypertension (high blood pressure)
    Pacemaker
    Pulmonary hypertension
    Stent
    Abnormal chest X-ray
    Ambulatory blood pressure monitoring

    Clinic specialties

    Cardiology
    Cardiothoracic Surgery
    Respiratory Medicine

    Medical insurances accepted at this clinic:

    I'm paying for myself
    AIG
    AVIVA
    AXA
    Aetna
    Alliance Health Group
    Allianz
    April
    Asia Medical Assistance
    Benenden Health

    "Insurance companies do not sponsor the appearance of specialists or clinics on Top Doctors. Any mention of an insurance company is solely to indicate that these clinics or specialists accept this type of medical insurance."

Credentials

Professional experience

  • 9 years of experience

Specialties

  • Angina
  • Atrial fibrillation (AF)
  • Atrial septal defect (ASD)
  • Cardiac ectopic beats
  • Heart block
  • High blood pressure (hypertension)
  • Mitral valve disease
  • Pulmonary valve disease
  • Supraventricular tachycardia (SVT)
  • Tricuspid valve disease
  • Ventricular septal defect (VSD)
  • Palpitations
  • Pacemaker & implanting a pacemaker
  • Paravalvular leak (PVL) closure
  • Cardiac resynchronisation therapy (CRT)
  • Atrial fibrillation (AF) catheter ablation
View more

Centre information

  • Cardiac centre of excellence
  • World-leading cardiologists
  • State-of-the-art equipment
  • Full range of advanced imaging
  • Designed to cater for patients with the highest expectations
  • Easy access
  • Patient-centred care
  • World-class standards
  • Comprehensive and contemporary approach to patients with cardiovascular conditions
View more

Reviews

All reviews are from real patients and have been verified by our Customer Service department to ensure they meet our guidelines. Rules of the service

236 reviews

5.0

Review this clinic
  • Would you recommend this doctor?
  • Treatment of the doctor
  • Treatment of the staff
  • Waiting time
  • Condition of facilities
  • I consulted Dr Nijjer feeling very anxious. He arranged a couple of investigations and reassured me that they were simply to confirm his view that I did not have AF. The investigations proved him correct. He has a wonderfully reassuring manner and I cannot praise his approach highly enough.
    11 June 2026

    S.S.

    Verified patient
  • Completely outstanding. I cannot imagine anyone better than Dr Nijjer - his calm, thorough, and reassuring manner is matched by genuine deep expertise. I have always felt completely secure in his care, and without overstating it, his treatment has truly changed my life and set me on a much better path. I recently recommended him to my own mother, and I would wholeheartedly recommend him to anyone in need of a cardiologist.
    2 June 2026

    C.S.

    Verified patient
  • A positive and stress free experience
    5 February 2025

    J.W.

    Verified patient
  • I was successfully treated for an AFIB condition by Dr Sohaib and his team at Wellington Hospital. Everyone I met during the process was informed, professional and efficient. I would strongly recommend.
    19 December 2024

    B.C.

    Verified patient
    Doctor's response -
    Many thanks for the positive feedback! It is very much appreciated.
  • 4 December 2024

    R.E.

    Verified patient
  • I travelled from Ireland to have tests with Dr Nijjer. He is an amazing cardiologist & has so much compassion for his patients. He continues to support me & others who have a very complex heart anomaly. He is a world class cardiologist & I can’t thank him enough for all his support
    14 October 2024

    S.F.

    Verified patient
  • Very professional, easy to communicate with and a great service across the whole process.
    25 September 2024

    J.S.

    Verified patient
  • Dr Sohaib is an excellent surgeon on all levels. I couldn’t have hoped for a better surgeon.
    29 August 2024

    R.B.

    Verified patient
  • 100% delighted with meeting
    28 August 2024

    L.m.

    Verified patient
  • My experience with Dr Sohaib was excellent. He took the time to explain all the options. The procedure I had went very smoothly and his team were outstanding. I also appreciated that Dr Sohaib was very open to nutritional and lifestyle changes to help my recovery.
    2 August 2024

    G.C.

    Verified patient
View all reviews
The doctor, or where applicable the hospital or medical centre in which the doctor provides services, undertakes to keep the information relating to the prices of services published on their profile on the Top Doctors platform up to date at all times, ensuring that such prices correspond to those effectively charged to patients. In the event of any discrepancy between the published price and the price ultimately charged to the patient, the doctor and/or the relevant hospital or medical centre shall be solely liable towards the patient and towards Top Doctors for any claim or financial difference arising therefrom.

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One Heart Clinic - Cardiology Consulting & Diagnostic CentreW1G Marylebone London, 68 Harley Street, Marylebone,

"Insurance companies do not sponsor the appearance of specialists or clinics on Top Doctors. Any mention of an insurance company is solely to indicate that these clinics or specialists accept this type of medical insurance."

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