Medical specialists – Top Doctors UK
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Dr Anne Griguer is a highly-revered consultant general and imaging cardiologist in London. With over a decade of experience in some of the leading centres of excellence in cardiology in both the UK and France, she has extensive experience in various cardiological conditions and treatments. Her areas of expertise include cardiac screening, heart valve disease, heart failure, hypertension and advanced cardiovascular imaging (exercise stress test and cardiac CT).
 
Dr Griguer currently practices privately at leading clinics across London: the London Bridge Hospital and Medicare Français. She also has years of experience working in the NHS, and currently serves as a consultant cardiologist at West Hertfordshire Hospitals NHS Trust.
 
Dr Griguer first qualified medically in France, at Université Aix-Marseille II. She then completed her cardiology training at the University Hospital of Lille, as well as hospitals in Paris and Marseille. She went on to become consultant cardiologist at the Groupement des Hôpitaux de l’Institut Catholique de Lille. In addition to her clinical experience, she also undertook a year-long research fellowship at Imperial College London in 2014, where her research focused on how diabetes affects the heart. She worked with some of London’s top cardiologists, at Hammersmith Hospital and Guy’s Hospital. She continued her academic involvement in France, studying heart valve diseases and exercise echocardiogram. She has received both an MSc and a PhD in cardiology.
 
Dr Griguer uses her knowledge of both the British and French healthcare systems to offer the highest possible level of expertise to her patients.

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Professor Emmanouil Tsochatzis is a distinguished consultant hepatologist based in London, whose work in fatty liver and cirrhosis is internationally renowned.

Professor Tsochatzis, who consults privately at The Royal Free Hospital and at Platinum Medical Centre, originally qualified from the National and Kapodistrian University of Athens. He undertook his hepatology training at the prestigious Hippokration General Hospital in Athens, and also obtained a PhD, before joining The Royal Free Hospital to complete his post-doctorate research. He was subsequently appointed as a Senior Clinical Lecturer in UCL and a Consultant at the Royal Free Hospital.

Professor Tsochatzis has a special interest in fatty liver disease, cirrhosis and complications, metabolic liver disease (including Wilson’s disease and heamochromatosis) and non-invasive fibrosis assessment. He has set up pathways for the early detection of liver disease and Liver Health checks in people at risk of liver fibrosis. He currently leads the specialist multidisciplinary service for non-alcoholic fatty liver disease (NAFLD) at the UCL Institute for Liver and Digestive Health.

Professor Tsochatzis' reputation in the field of hepatology extends beyond clinical practice, holding key positions in national and international clinical guideline committees, being a specialist advisor to The National Institute for Health and Care Excellence and the North Thames Hepatology lead for the National Institute for Health Research. He is an expert advisor for the WHO and has participated in the guidelines for the management of HBV and HCV in resource-limited settings. Notably, he served as a member of the governing board of the European Association for the Study of the Liver from 2019 to 2022, and was also the appointed chair of the scientific committee from 2021 to 2022. He has won the prestigious Rising Star award by the United European Gastroenterology in 2014 and the Physician Scientist Fellowship by the European Association for the Study of the Liver.

As a clinician, Professor Tsochatzis is passionate about helping to improve patient outcomes for liver disease, and has led a number of international research collaborations in hepatology which have resulted in the publication of over 300 articles in high-impact, scientific peer-reviewed journals. He is the principal investigator for a number of investigator-led and commercial phase 2 and 3 clinical trials in therapies for fatty liver and cirrhosis and for the early detection of liver fibrosis. In the realm of academia, Professor Tsochatzis is a professor of hepatology and the head of the Centre for Metabolic Liver Disease at University College London.

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Mr Kelvin Chong is a highly-skilled oncoplastic breast surgeon based in Central London, Central London, Hertfordshire and Buckinghamshire, who specialises in breast cancer surgery, breast reconstruction and breast reduction alongside fat grafting, breast cancer risk calculation and management and post-breast cancer treatment rehabilitation.
 
He privately practises at GenesisCare Cromwell Hospital, Spire Bushey Hospital and OSD Healthcare, as well as GenesisCare Milton Keynes. His NHS base is West Hertfordshire Hospitals NHS Trust. He runs a rapid access clinic at each of these hospitals and can often provide patients with a same day diagnosis.

Mr Chong is a graduate of the University of Glasgow. He completed surgical training at St George’s Hospital, London, where he also conducted clinical research investigating the effects of growth factors on breast cancer. He was awarded an MD for this research by the University of London. He completed his advanced surgical training in London, including at the Royal Marsden Hospital and Royal Surrey County Hospital (Guildford), before embarking on fellowships in Dusseldorf and Lyon, working with breast surgeons and plastic surgeons at the forefront of their fields.
 
As an oncoplastic breast surgeon, he combines both effective cancer surgical techniques and the best plastic surgical techniques to achieve favourable oncological and impressive cosmetic results. In addition to standard breast oncological surgery (mastectomy and lumpectomy), his oncoplastic techniques include breast reconstruction, breast reduction, augmentation, therapeutic mammoplasty and arterial perforator-flaps to enable breast-conserving surgery (and reduces the need for mastectomy). His operative portfolio also includes fat grafting for reconstructions, repair of lumpectomy defects and breast augmentation.
 
Mr Chong also runs a breast cancer risk assessment service via virtual online consultation, where he uses the latest evidence-supported statistical software for breast cancer risk assessment using breast density and genetic testing. He is able to provide patients tailor-made recommendations on how to manage their breast cancer risk and also how whether patients can safely commence on Hormone Replacement Therapy.
 
His research interest includes using clinical use of measuring breast density and post-breast cancer treatment rehabilitation. He is currently conducting research on using scar therapy for breast cancer patients at Mount Vernon Hospital and runs collaborative projects with RESTORE group to develop Scarwork therapy for breast cancer patients in the UK. Furthermore, he is studying new pain-relieving techniques for post-breast surgery pain syndrome (PBSPS). For more information about Mr Chong, please visit his website. 

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Dr Antonis Pantazis is a leading consultant cardiologist who has many years of experience working within the field of cardiomyopathies. He possesses a special interest in the clinical manifestation of the cardiomyopathies (heart muscle condions), their arrhythmogenic manifestation, the risk prevention and the genetic causes of cardiomyopathies.

Additionally, he has a major interest in the cardiac manifestation of neuromuscular conditions, as well as the interaction between sports and cardiac conditions. He also has great experience in pericardial diseases.
 
Dr Pantazis also has an interest in the cardiac imaging diagnostic modalities, and more particularly uses advanced echocardiography imaging in his practice in order to investigate complex heart conditions, including valve diseases and ischaemic heart disease.

Dr Pantazis sees patients who have suspected or confirmed diagnosis of heart muscle and/or pericardial conditions. He also sees patients who may have cardiac symptoms which have not yet been attributed to any pathology. He offers detailed diagnosis, personalised treatment and guides them through interventional management, when required. His practice also covers investigating the diagnosis of the inherited conditions in the family members with genetic and clinical tests.
 
Dr Pantazis has also been leading the Hospital’s programme for the medical (non-invasive) and invasive management of the left ventricular outflow tract obstruction in hypertrophic cardiomyopathy. Left ventricular outflow tract obstruction (LVOTO) is a complex dynamic pathology inside the heart which is responsible for significant symptoms such as breathlessness and chest pain on exertion, palpitations, light-headedness and fainting. Its management requires expertise and patient-specific approach. He runs dedicated clinics for arrhythmogenic cardiomyopathy (ARVC), and cardio-neuromuscular diseases.
 
Dr Pantazis started working as a consultant cardiologist in the cardiomyopathy service of the Heart Hospital, University College London Hospitals NHS Foundation Trust (UCLH) from 2007. He has been the leading cardiologist at UCLH's neuromuscular complex care centre (NMCCC) in The National Hospital for Neurology and Neurosurgery and the academic lead for echocardiography at the Institute for Cardiovascular Science, University College London (UCL).
 
He has been a consultant cardiologist at The Royal Brompton & Harefield NHS Foundation Trust since 2015 and the Trust's clinical lead for cardiomyopathy and inherited cardiovascular conditions. He is also the head of the echocardiography department at North Middlesex Hospital. He has held the position as Consultant Cardiologist at the Royal Brompton Hospital since 2016. 
 
Dr Pantazis is an educational and clinical supervisor to junior doctors. He is responsible for various educational activities in his scientific field, both nationally and internationally.
 
He continues to be involved in research related to phenotype/genotype manifestation of hypertrophic, dilated and arrhythmogenic cardiomyopathy and of left-ventricular non-compaction cardiomyopathy. He has special research interest in the mechanisms and treatment of LVOTO in hypertrophic cardiomyopathy, disease progression and risk in arrhythmogenic (ARVC) cardiomyopathy, the cardiac phenotype in Friedreich's ataxia and the cardiac expression of neuromuscular diseases,. His research has been funded by a number of international grants and his cardiomyopathy-related research outcomes have been published in various peer-reviewed journals.
 
He is also an invited speaker at many national and international meetings. Dr Pantazis contributed to cardiac recommendations on Friedreich's ataxia for Ataxia UK and is also an active supporter of charities, including Cardiomyopathy UK. He is current Chairman of the European Society of Cardiology Working Group on Myocardial and Pericardial Diseases and from this position organises and contributes to international publications and educational activities of high impact.

Additionally to the above services, Dr Pantazis offers second and expert opinions in complex cases on request.
 

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Professor Roger Wolman is an experienced consultant in Rheumatology and Sport and Exercise medicine, with a special interest in back pain, arthritis, osteoporosis, hypermobility, sports injuries and Exercise in the management of disease. He practises from his private clinics across London and offers treatment for a wide range of disorders that affect the musculo-skeletal system. 

Professor Wolman’s credentials include a certificate of specialist training in Rheumatology, Sport and Exercise Medicine, and Rehabilitation Medicine, an MB ChB from the University of Manchester and a Medical Doctorate also from the University of Manchester. He is a Fellow of the Royal College of Physicians (FRCP).

Professor Wolman helped to set up the Olympic Medical Institute in Northwick Park Hospital, and has also set up clinics for Dance Medicine, Bone problems in athletes, gait analysis and compartment pressure measurement.

He is a distinguished member of various professional associations, including the British Society for Rheumatology, the British Association for Sports and Exercise Medicine and Royal Osteoporosis Society and a Fellow of the Faculty of Sport and Exercise Medicine (FFSEM).

He has also been involved in research in his field, publishing research on osteoporosis and exercise, exercise following brain injury, and exercise and arthritis, and has published numerous peer-reviewed papers. Professor Wolman travelled to North America to further his studies, as part of the prestigious Winston Churchill travelling fellowship.

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Dr Mark Connaughton is a highly-experienced consultant cardiologist specialising in chest pain, arrhythmias, angioplasty, general cardiology, heart failure and heart attacks.

Dr Connaughton practises privately at St Mary's Hospital on the Isle of Wight and Queen Alexandra Hospital, Portsmouth. He has been practising at the Isle of Wight NHS Trust and Portsmouth Hospitals NHS Trust for over 19 years.

He graduated from Oxford University in 1982 and completed his medical degree at the London Hospital Medical College in 1987. He obtained an MD by research at the Rayne Institute, St Thomas's Hospital London in 1996.  He was elected to Fellowship of the Royal College of Physicians of London in 2005.

​Dr Connaughton specialises in assessing and treating patients with diseases and defects of the heart and blood vessels. He is an expert in imaging using simple or complex echocardiography, CT and MRI. In addition to his consultancy position, he is  Royal College Tutor for Medicine and Lead Educator at St Mary's Hospital, Isle of Wight.

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Mr Savvas Papagrigoriadis is an experienced consultant colorectal and laparoscopic surgeon who has worked more than 20 years in Colorectal Surgery at King's College Hospital, London as Consultant Lead of Colorectal Surgery and Senior Lecturer. At present Mr Papagrigoriadis is an Honorary Consultant Surgeon with King's College Hospital seeing patients privately at 10 Harley Street. He is also Director of Colorectal Surgery at the Metropolitan Group of Hospitals in Athens, Greece. He is a Fellow of the Royal College of Surgeons of England, the Association of Coloproctology of Great Britain, the European Society of Coloproctology, the American Society of Colon and Rectal Surgeons, the British Society of Gastroenterology, Chairman of the International Society of Pelvic Surgery. He is a reviewer of several major surgical journals.  

Mr Papagrigoriadis specialises in laparoscopic colorectal surgery and was one of the first to practice it in the UK and has served as a national trainer of LapCo, the national training programme which trained NHS consultants in laparoscopic colorectal surgery.  Mr Papagrigoriadis is considered a national expert in TEMS endoscopic surgery for rectal tumours, having performed more than 300 TEMS operations and having served as the referral surgeon for this operation for SE London for two decades. He has used his experience in TEMS to take up early the pioneering technique of Transanal Total MesoRectal Excision (TaTME) for rectal cancer which allows most anal sphincters to be saved from permanent colostomy. 

Mr Papagrigoriadis has a clinical and research interest in Diverticular Disease and has established and run for 15 years the first ever specialist Diverticular Disease Clinic at King's College Hospital. Mr. Papagrigoriadis has now relocated his Diverticular Disease Clinic at 10 Harley Street and sees patients by appointment. He also holds video consultations for second opinion with diverticular patients internationally. Mr Papagrigoriadis is an international expert and researcher on this condition, has co-organised five international conferences on diverticular disease and his research has looked into new treatment modalities which aim to save patients from surgery in the great majority of cases. 

Mr Papagrigoriadis has an interest in pelvic floor disorders and treats patients with faecal incontinence, obstructive defecation syndrome and rectal prolapse. Mr Papagrigoriadis runs his own private pelvic floor laboratory. 

He has over 150 publications in international journals, book chapters and conference proceedings and has led a group of researchers doing doctoral degrees under his supervision. 

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Mr Niaz Islam is a leading consultant ophthalmologist surgeon in London with a particular interest in medical retina and cataract surgery.
 

He graduated from Guy’s and St Thomas’ Medical School, London in 1996 and trained at Moorfields Eye Hospital for eight years, including undertaking two medical retinal fellowships and as a locum consultant in 2007.

He was appointed a consultant in medical retina and cataract, and education supervisor and diabetic retinal clinical lead, 2007-13. In 2012 Mr Islam was nominated for a National Macular Disease Society Award by patients for excellent service delivery and clinical care.

He has published over 25 articles in peer-reviewed journals and co-authored "Crash Course in Ophthalmology". In 2016 Mr Islam was appointed as clinical lead for quality and safety at Moorfields Eye Hospital.

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Mr Michael Tappin is a renowned consultant ophthalmologist based in London, Guilford and Woking. He is a founding member and director of Laser Vision, with private practice clinics at Nuffield Health Woking Hospital and Circle Mount Alvernia Hospital. His main areas of expertise include the cornea, cataracts, laser eye surgery, lens replacement, corneal transplants, presbyopia and anterior segment disease. 
 
Mr Tappin commenced his medical journey at St Mary’s Hospital Medical School, London, qualifying with an MBBS in 1990, Following this, he undertook fellowships in corneal and refractive surgery at Moorfields Eye Hospital in London and Sir Charles Gairdner Hospital in Perth, Australia.
 
In addition to his private practice, Mr Tappin holds an NHS practice at the Royal Surrey County Hospital. He offers a full range of vision correction procedures along with laser cataract surgery and Sulcoflex DUET Lens Exchange - an adjustable solution to correct vision at all distances and it's the first to offer lifelong reversibility. Furthermore, he offers treatment for conditions such as corneal grafts, anterior segment disease and dry eyes.

In 2005, he became the first surgeon in the UK to perform endothelial cell transplantation, now known as DMEK. This pioneering technology is less invasive and can be used to treat Fuchs Dystrophy and endothelial cell failure.
 
Mr Tappin is devoted to research, taking a keen interest in the areas of corneal transplant surgery and cataract lens implants. He enjoys sharing his medical knowledge with his fellows, regularly lecturing on the most recent developments in corneal transplantation.

Mr Tappin has contributed to numerous publications, some of which can be found on ResearchGate and PubMed. He is a member of several medical organisations, including the Royal College of Ophthalmologists, the Medical Defence Union and the European Society of Cataract and Refractive Surgeons.

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