Dr Ozan Demir
Consultant Cardiologist
Heart Health
Sub-specialties: Interventional Cardiology, Hypertension, Cholesterol, Coronary Artery Disease, Preventative Cardiology, Heart Valve Disease.
02036532005
Overview
Dr Ozan Demir is a consultant cardiologist at Welbeck Heart Health, providing expert care in general and interventional cardiology, including the treatment of coronary artery and heart valve disease.
About Dr Ozan Demir
Dr Ozan M. Demir is a highly regarded consultant interventional cardiologist who specialises in both coronary and structural heart disease. His areas of expertise include the assessment and treatment of patients with chest pain, coronary artery disease, aortic stenosis, valvular heart disease, palpitations, and breathlessness. He regularly performs advanced interventional procedures, including coronary angioplasty (stent insertion) and transcatheter aortic valve implantation (TAVI).
Dr Demir graduated in medicine from King’s College London (Guy’s, King’s and St Thomas’ Medical School) in 2009. He subsequently undertook specialist cardiology training in some of London’s leading teaching hospitals, including Hammersmith Hospital and St Thomas’ Hospital. Alongside his clinical training, he completed an MSc in Interventional Cardiology at Vita-Salute San Raffaele University in Milan, and later a PhD in Cardiovascular Medicine and Sciences at King’s College London, where his doctoral research focused on the patient-tailored precision management of coronary artery disease.
His career continued with advanced interventional fellowships in both coronary and structural heart disease at internationally recognised centres, including a year-long fellowship in Milan. He went on to hold senior fellowships in London before being appointed Consultant Interventional Cardiologist at the Essex Cardiothoracic Centre, where he leads innovative service development projects to improve patient care.
Dr Demir is widely published, with over 100 peer-reviewed articles in high-impact cardiology journals, including the European Heart Journal, JACC, and Circulation. He is actively involved in academia, collaborating on cutting-edge research studies.
Dr Demir is committed to providing patient-centred, evidence-based care, combining his clinical expertise with academic insight to deliver world-class treatment. He is available to see private patients in London.
Areas of Expertise
Dr Demir performs a range of treatments, including:
- Echocardiography
- Coronary Angiography
- Coronary Angioplasty (stenting)
- Transcatheter Aortic Valve Implantation (TAVI)
- Cardiac Coronary CT Scanning
- 24-hour Tape Monitoring
- 24-hour Blood Pressure Monitoring
- Exercise Tolerance Testing
- Cardiopulmonary Exercise Testing
- Tilt Table Testing
- Interventional Cardiology
- Cardiovascular Risk Assessment
Some of the conditions he commonly treats are:
- Angina (chest pain)
- Coronary Artery Disease
- Heart Valve Disease (including aortic stenosis)
- Palpitations and Irregular Heartbeats
- High Blood Pressure (hypertension)
- High Cholesterol
- Preventive Cardiology and Cardiovascular Risk Assessment
Additional Information
Dr Demir holds the following qualifications: MBBS MSc PhD MRCP (UK)
He is an active member of:
- General Medical Council
- Royal College of Physician
- British Cardiovascular Intervention Society (BCIS)
- American Heart Association (AHA)
He currently holds clinical posts at:
- Consultant Cardiology, Welbeck, London
- Consultant Cardiologist, The Essex Cardiothoracic Centre
Consultant Cardiologist, The Wellington Hospital, part of HCA Healthcare UK
Research Highlights
Dr Ozan Demir has a keen interest in clinical research - his articles are regularly published in the medical literature as well as presentations at national and international meetings.
His research can be found on Pubmed: https://pubmed.ncbi.nlm.nih.gov/?term=ozan+demir&sort=date
Key Publications:
- Demir OM, Sinha A, Rahman H, Ryan M, O'Gallagher K, Ellis H, Li Kam Wa M, Saraf S, Alfakih K, Webb I, Melikian N, De Silva K, Chiribiri A, Plein S, Perera D. Pressure-Derived Indices in the Left Main Coronary Artery: Insights From Comprehensive In Vivo Hemodynamic Studies of Diseased and Unobstructed Vessels. Circ Cardiovasc Interv. 2025 Jul;18(7):e015320. doi: 10.1161/CIRCINTERVENTIONS.125.015320.
- Demir OM, Conradi L, Prendergast B, Ho E, Montorfano M, Duncan A, Denti P, Modine T, Rodés-Cabau J, Taramasso M, Fam N, Grayburn PA, De Bruijin S, Tzalamouras V, Wilkins B, Ben-Ali W, Ladanyi A, Ludwig S, Adams H, Rajani R, Ferreira-Neto AN, Maisano F, Sievert H, MacCarthy P, Redwood S, Sondegaard L, Colombo A, Leon M, Latib A. Clinical Characteristics and Outcomes of Patients Screened for but Deemed Clinically Not Suitable for Transcatheter Mitral Valve Replacement: DECLINE-TMVR Registry. Can J Cardiol. 2023 May;39(5):581-589. doi: 10.1016/j.cjca.2023.01.017.
- Demir OM, Rahman H, van de Hoef TP, Escaned J, Piek JJ, Plein S, Perera D. Invasive and non-invasive assessment of ischaemia in chronic coronary syndromes: translating pathophysiology to clinical practice. Eur Heart J. 2022 Jan 13;43(2):105-117. doi: 10.1093/eurheartj/ehab548.
- Fawaz S, Cook C, Chani A, Khan S, Rajput S, Davies J, Keeble TR, Aggarwal R, Jagathesan R, Demir OM. Impact of frailty and mobility on mortality and symptomatic improvement in TAVR. Int J Cardiol Heart Vasc. 2025 Jun 19;59:101725. doi: 10.1016/j.ijcha.2025.101725.
- Li Kam Wa ME, Ezad SM, Modi B, Demir OM, Hinton J, Ellis H, De Silva K, Gulati A, De Silva R, O'Kane P, Douiri A, Collison D, Curzen N, Collet C, Perera D. Randomized Comparison of Fractional Flow Reserve and Instantaneous Wave Free Ratio in Serial Disease. JACC Cardiovasc Interv. 2025 Jul 14;18(13):1617-1627. doi: 10.1016/j.jcin.2025.05.033.
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