Dr Ozan Demir (GMC number: 7043466) is an award-winning and leading Consultant Cardiologist with a special interest in Coronary and Structural Intervention, based in London and Essex, United Kingdom. He specialises in transcatheter aortic valve implantation (TAVI), aortic stenosis, heart valve disease, and complex coronary intervention, including coronary angiography and percutaneous coronary intervention (PCI/stents).
Dr Demir holds a PhD in Cardiovascular Medicine from King's College London and an MSc from Vita-Salute San Raffaele University, Milan. He has completed advanced fellowships in coronary and structural heart intervention in leading international hospitals. He has authored more than 100 peer-reviewed publications.
Dr Demir sees private patients at Welbeck London Heart Health (Marylebone), Cromwell Hospital (Kensington), The Wellington Hospital (St John's Wood), Bupa Health Care Canary Wharf, and The Essex Cardiothoracic Centre (Basildon), alongside his NHS practice at the Essex Cardiothoracic Centre.
Appointments: Ms Melinda Ziff (PA), 020 3198 9826, drozandemir.sec@outlook.com. He consults in English and Turkish.
Dr Demir's area of expertise include the assessment and treatment of patients with chest pain, coronary artery disease, aortic stenosis, valvular heart disease, high blood pressure (hypertension), high cholesterol, palpitations, breathlessness, and preventive cardiology.
Dr Demir offers comprehensive cardiology care and has specialist expertise in echocardiography and cardiac CT, providing a full diagnostic and treatment service. He regularly performs advanced interventional procedures, including coronary angioplasty (stent insertion) and transcatheter aortic valve implantation (TAVI).
Dr Demir is committed to delivering world-class, personalised care that is tailored to each patient’s individual needs.
Alongside his clinical work, Dr Demir leads an active research programme dedicated to improving outcomes in coronary and structural heart disease. He has secured multiple competitive research grants from national bodies, including the National Institute for Health Research, the British Heart Foundation, and NHS England, and is currently leading several clinical studies.
Dr Demir has published over 100 peer-reviewed articles in leading international cardiology journals, including Circulation, JACC, and the European Heart Journal, and is regularly invited to present his work at major international conferences. His research ensures that patients benefit from the most advanced, evidence-based treatments and innovations in cardiovascular care.
Dr Ozan Demir graduated from King’s College London (Guy’s, King’s and St Thomas’ School of Medicine) in 2009. He subsequently completed specialist cardiology training at internationally renowned centres of excellence, including St Thomas’ Hospital and Hammersmith Hospital in London. He holds an MSc in Interventional Cardiology from Vita-Salute San Raffaele University in Milan and a PhD in Cardiovascular Medicine and Sciences from King’s College London, focused on the treatment of cardiovascular disease. His advanced training included a prestigious international fellowship in Milan, where he developed world-leading expertise in both coronary and structural interventions. Dr Demir is bilingual in English and Turkish.
Dr Demir’s ethos is founded on delivering outstanding care with excellence, empathy, and integrity. Recognised as a leading cardiologist, he combines world-class expertise with a patient-centred approach, ensuring every individual receives care tailored to their unique needs. His practice is built on the highest standards of diagnosis and treatment, with a strong emphasis on clear communication and compassion.
His leadership in service development, teaching, and research reflects his commitment to advancing the quality of cardiology care both nationally and internationally. Dr Demir places patients at the heart of every decision, combining advanced treatments with evidence-based practice to deliver the very best outcomes through world-class cardiology care.