e-Consultation with endocrinologists

Professional statement

Dr Nemanja Stojanovic is a renowned consultant for his speciality of endocrinology, diabetes and general medicine and he is a provider of care of the highest standard for many conditions. He is an expert in all aspects of his field and his specialist interests include, but are certainly not limited to, thyroid disorders, type 1 and 2 diabetes, pituitary disease, adrenal tumours, adrenal disease, and obesity. Furthermore, he has specialist experience in testosterone replacement and erectile dysfunction. He also has leading expertise in the treatment of women's Hyperprolactinemia. Dr Stojanovic's leading expertise has brought him to be involved in the management of several services (diabetes, endocrine pathology during pregnancy and endocrine and neuroendocrine conditions) for Essex. He has also been a main participant in the development of the endocrine service in the BHR Hospitals NHS Trust. As well as treating his patients and being involved in the development of medical services, he contributes to his field by means of research for conditions such as pituitary disease, gestational diabetes and insulin resistance. His scientific research has been published in a number of globally renowned medical journals including JCEM, Diabetologia and Gynaecological Endocrinology.  When it comes to patients' treatment, Dr Stojanovic is a firm believer in allowing his patients to be fully informed about their choices and is dedicated to ensuring his patients have support from all angles.

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Professional statement

Dr Siva Sivappriyan is a leading consultant physician in diabetes and endocrinology and honorary senior lecturer at King's College London. His areas of expertise include diabetes; thyroid, parathyroid and pituitary conditions; osteoporosis and hormone problems. He is currently based at Lyca Health, a premium provider of specialist consulting services in Canary Wharf and Orpington in London; KIMS Hospital, the largest independent private hospital in Maidstone, Kent; One Ashford Hospital in Ashford and the Spire Alexandra Hospital where he provides comprehensive private care in Medway and the surrounding areas. Dr Sivappriyan completed his specialist training in London at Royal Free and University College London Hospitals. In 2012, he obtained his MRCP (Diabetes and Endocrinology) and then in 2018 became a Fellow of the Royal College of Physicians, London. Aside from practising as a consultant, Dr Sivappriyan is currently the lead for Young Adults with Diabetes, an honorary senior lecturer at King's College London, the college tutor and Governance Lead for Maidstone and actively involved with training junior doctors and medical students. In addition, he is a DAFNE educator and both a national and international speaker in his expert field. Dr Sivappriyan treats all aspects of diabetes and endocrinology, however, he has a special interest in thyroid and pituitary gland disorders and complex diabetes. He has a clinical interest in treating excessive hair growth, hair loss (alopecia), period problems (absent or irregular periods) and erection and sex drive problems. He also treats all aspect of various metabolic problems including fatty liver and lipid problems and helps patients to reduce their cardiovascular risk through comprehensive care. He is heavily involved in multiple research activities within his field.

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Professional statement

Dr Bernard Khoo is a highly-skilled consultant endocrinologist based at The London Clinic. His areas of expertise lie in the diagnosis and treatment of neuroendocrine tumours, adrenal disease, thyroid and parathyroid disorders, obesity and diabetes and pituitary disorders. Dr Khoo trained at the University of Cambridge and subsequently obtained his specialist accreditation in Endocrinology and Diabetes at St Bartholomew's, where he worked as Wellcome Trust Advanced Fellow from 2003 to 2006. Since 2009 he has been a senior clinical lecturer at University College London (UCL) Medical School. In addition to The London Clinic, Dr Khoo is based at the Royal Free Hospital in London where he sees over a thousand patients a year with general endocrine ailments. He is the endocrinologist for the Royal Free Neuroendocrine Tumour Multidisciplinary Team and also participates in the Royal Free Thyroid Cancer Multidisciplinary Team. In addition to his specialties, he has a particular interest in the treatment of genetic endocrine disorders, diabetes, calcium disorders and phaeochromocytomas.

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Professional statement

Professor Pierre-Marc Bouloux is an esteemed senior consultant endocrinologist with more than 40 years of experience in both endocrinology and general internal medicine. His specialties include andrology and neuroendocrinology, with a clinical interest in thyroid conditions, reproductive endocrinology and testosterone replacement therapy. Whilst at the Royal Free Hospital in London, Professor Bouloux established several specialist clinics including clinics in andrology, transitional paediatric endocrinology and pituitary disorders. Throughout his career, Professor Bouloux has taken a holistic approach in treating and diagnosising his patients. He builds a relationship that focuses on the patient's true needs, desires and insights, addressing both the symptoms and the underlying cause of the problem. Professor Bouloux has a strong background in research and teaching and is currently a professor of endocrinology at University College London. He is fluent in several languages, including French, English and Spanish, and can converse in Russian and some Arabic. He has also published over 400 peer reviewed articles and reviews/chapters and authored several books on endocrinology and general medicine.

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Professional statement

Based in London, Professor Barbara McGowan is a leading expert in endocrinology. Her special interests include weight loss, bariatric medicine, polycystic ovarian syndrome, thyroid problems, infertility, adrenal disease and pituitary disorders. Outside of her clinic she is dedicated to research, her work has been recognised by NIHR/RCP who awarded her for her 'outstanding contribution to research' in 2016. She has published extensively in high impact journals, including the Lancet and New England Journal of Medicine. She practices from Guy's Hospital and BMI Bishops Wood while also serving as an Honorary Professor at King's College London.

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Professional statement

Dr Samer Al-Sabbagh is a highly experienced consultant physician, diabetologist and endocrinologist at Spire Cambridge Lea Hospital and OSD Healthcare. His areas of expertise include thyroid gland disorders, adrenal disorders, diabetes, gonads and pituitary gland disease. Dr Al-Sabbagh graduated from Damascus Medical School and completed post-graduate training in general medicine at Damascus University Hospitals. He then went on to research diabetic foot disease with Professor Andrew Boulton at Manchester Infirmary, before specialising in GIM, diabetes and endocrinology at Ipswich and Cambridge University Hospitals. He had his first consultant post at West Hertfordshire NHS Trust before moving to Guy’s and St Thomas NHS Trust. He joined East and North Hertfordshire NHS Trust in 2011. Alongside his private practice, Dr Al-Sabbagh is currently the lead for diabetic feet, endocrine oncology and hyponatraemia for East and North Hertfordshire Trust and he is actively involved in teaching. Dr Al-Sabbagh has special interests in new therapies and technologies in diabetes and endocrine care and is a core member of the diabetes and endocrine outreach team who has recently won the national QiC award for best inpatient initiative in diabetes.

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Professional statement

Dr Paul Jenkins is an extensively trained and highly skilled consultant physician and endocrinologist based in London. Private patients can access his first-rate professional and individualised care at the renowned clinics of The London Endocrine Centre and BMI The London Independent Hospital. His areas of specialist expertise include the diagnosis and management of thyroid disorders, hypothyroidism, T3 treatment, post-viral fatigue, Long Covid, polycystic ovaries syndrome, pituitary disease and diabetes mellitus. Dr Jenkin's medical studies took place at Cambridge University. After qualifying with a degree in medical sciences, he underwent clinical training at the prestigious Royal London Hospital followed by training at the internationally renowned Department of Endocrinology at St Bartholomew’s Hospital, where he gained tremendous experience in clinical endocrinology. Dr Jenkins is also a keen researcher. He led an active research group into the interactions between hormones and cancer, and he has published over 80 peer-reviewed scientific papers, 4 books and 17 book chapters. Furthermore, he has been invited to lecture at over 90 national and international conferences. After 20 years in practice, he established The London Endocrine Centre, where he is the senior consultant. Dr Jenkins firmly believes in a holistic approach to his patients' care. In all his consultations, he allows plenty of time for patients to discuss all of their concerns and wishes before fully involving them in a shared approach to their optimum management.

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Professional statement

Dr Channa Jayasena is an academic consultant in reproductive endocrinology and andrology based in London. His areas of expertise include reproductive endocrinology, hormone replacement therapy (HRT), testosterone therapy, polycystic ovarian syndrome, hypothalamic amenorrhea and male infertility. Dr Jayasena graduated from Cambridge University. He is one of the UK's leading experts in the treatment of men and women with infertility and other reproductive disorders. He is also Head of Andrology services at Hammersmith Hospital.  He leads a research programme at Imperial College London, to develop cutting-edge treatments for men, women and couples with infertility and reproductive hormone disorders. His work has pioneered several new developments in the field, leading to over 100 research papers and book chapters. Dr. Jayasena is actively involved in the training of other specialists in the UK and abroad to manage reproductive endocrine disorders. His vision is to offer his patients the best treatment available anywhere, and pioneer development of the next generation of treatments in the future.

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Professional statement

Dr Marc Atkin is a top consultant in diabetes, endocrinology and internal medicine operating privately at the BMI Bath Clinic. His areas of expertise lie in treating diabetes, thyroid and parathyroid disorders, obesity and diseases of the adrenal & pituitary gland. Dr Atkin has practised as a consultant in Bath since 2012. He is currently Clinical Lead for the Diabetes & Endocrinology department in the Royal United Hospital in Bath and the Diabetes Clinical Lead for the SW Cardiovascular Network for NHS England. Before becoming a consultant, he graduated from Southampton Medical School in 1997 and completed his training in several hospitals in South England. He began researching into cardiovascular disease in diabetes with Professor Cummings in Portsmouth and thereafter obtained an MD in 2011. Aside from his consultancy work, Dr Atkin is a committee member of Association British Clinical Diabetologists & T1DCC and is on the Diabetes Steering Committee of Bath, Swindon and Wiltshire STP in South West England. He has also written several national diabetes policies and strategies for several diabetes organisations including NHS England and Diabetes UK. Dr Atkin has also chaired and presented at numerous national meetings and is a lead judge on the Quality in Care National Diabetes Awards. While he has an interest in service development and innovation in service delivery, Dr Atkin also has interests in Healthcare IT, looking at new ways to improve care for diabetic patients.

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Professional statement

Dr Umasuthan Srirangalingam is a leading consultant physician in diabetes and endocrinology at London Claremont Clinic. His areas of expertise lie in treating adrenal disorders, male infertility, diabetes, hypogonadism, thyroid disorders and polycystic ovaries (PCOS). He has an impressive history of innovating services in the NHS to facilitate in providing multidisciplinary, patient-focused care. He is currently leading services at University College London Hospital for male infertility, congenital adrenal hyperplasia and Klinefelter syndrome. Dr Srirangalingam graduated from the University of Edinburgh before undertaking his postgraduate training in the North East Thames region and at St Bartholomew's Hospital. He later obtained an NIHR Clinical Lectureship award in endocrinology and then, in 2012, he was awarded a PhD for his commitment and research into the use of novel therapeutics to modify a hormonal action. Dr Srirangalingam is passionately involved in clinical research and has published extensively. He is also an avid educator and recently received the 'Top Teacher' award from University College London.

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Professional statement

Dr Simon Aylwin is a consultant endocrinologist in London with 30 years of professional expertise and a well-established private practice that mirrors his NHS work. Patients can access his private healthcare services HCA UK at the Shard, which is part of London Bridge Hospital. Dr Aylwin has spent decades assisting patients with the diagnosis and management of a wide range of conditions. This includes thyroid problems, such as hyperthyroidism, as well as polycystic ovary syndrome (PCOS) and issues relating to the growth hormone. He is also an expert on the adrenal gland and pituitary glands. In fact, Dr Alywin is the leader of the pituitary and adrenal multidisciplinary teams at the renowned King’s College Hospital in London, where patients receive treatment for pituitary tumours and other endocrine-related tumours and cancers. Furthermore, he works as a physician alongside bariatric surgeons managing patients with severe obesity. He graduated from Queens’ College, Cambridge, in 1987 and undertook clinical studies at the Royal London Hospital, qualifying in 1990. After achieving his MRCP in 1993, he undertook specialist endocrinology training and research studies at Bart’s and the London School of Medicine and Dentistry, obtaining his PhD in 2001. Dr Aylwin has published over 80 scientific research papers in peer-reviewed journals. Through research, he has contributed to the fields of endocrine tumours, clinical obesity, appetite regulation, and molecular endocrinology. Furthermore, he regularly reviews journal submissions for international publications for Pituitary, the Pituitary Society's international journal, of which he is also on the editorial board. What's more, Dr Aylwin is involved in the teaching and training of future specialists. He lectures widely both within the UK and abroad and has contributed to numerous symposia and debates at several societies, including the British Endocrine Society.

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Professional statement

Professor Parag Singhal is a consultant physician and endocrinologist. In the field of endocrinology and metabolic medicine, his special interests lie in all aspects of diabetes, including diabetic foot, thyroid disease and reproductive medicine. He is available for consultations and treatment at the private practices of Nuffield Health Taunton Hospital, The Waterside Suite, Weston General Hospital and The Chesterfield Clinic, Nuffield Health Bristol Hospital. Professor Singhal received his initial medical training in India at Jiwaji University before moving to the UK where he became a Member of the Royal College of Physicians of London in 1995. Following this, he gained further training in the US, after which he received his higher specialist training in Newcastle. He received his postgraduate MPhil at the University of Newcastle in 2002 and became a Fellow of the Royal College of Physicians of London in 2004. Since 2000 he has worked as a consultant at Weston Hospital, which is part of the Bristol Teaching Hospital. Professor Singhal has published many research papers. His past research involves insulin resistance and retinopathy.  His main areas of focus are the thyroid and thyroid conditions, especially hypothyroidism. He has a large cohort of patients he has successfully treated using a combination of therapies, and as such he has patients who travel to see him from all over the country for help with their thyroid condition. Professor Singhal as high patient satisfaction scores and has received many awards that reflect his attention to improving patient care.  

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Professional statement

Dr Prashanth Vas is a consultant diabetologist and diabetes foot physician who specialises in the management of:  Diabetes Diabetic foot Charcot foot Diabetic neuropathy Diabetic nephropathy (diabetes-related kidney disease).   He oversees one of the largest multidisciplinary diabetes foot units in the United Kingdom and has extensive experience in the management of diabetes-related complications of the foot in particular.  Education & Training: Dr. Vas graduated from St John's Medical College Bangalore, India, before undertaking his post-graduate training in the UK. His specialist training In Diabetes and Endocrinology was in the East of England, including experience at the internationally renowned Addenbrookes Hospital in Cambridge. Along with collaborators, he was involved in the development of the Ipswich Touch Test, now widely recognised as a simple reliable method to assess the loss of protective foot sensation. It has been taken up by Diabetes UK as the ‘Touch the Toes’ test. At King's College Hospital, Dr. Vas continues to train and teach professionals to provide a high-quality of service for patients. Publications, Advisories & Research: Dr. Vas has been an expert advisor to the National Institute of Clinical Excellence (NICE) and to the International Working Group on the Diabetic Foot (IWGDF). He is the co-founder of the British Diabetic Neuropathy Symposium, which is the only academic meeting in the UK on diabetic neuropathy. His research interests include diabetic foot ulcers, diabetic neuropathy (especially small fibre neuropathy) and new techniques to detect neuropathy. He has spoken at numerous events and he continues to research diabetic foot syndrome and associated health issues. Some of his work can be seen via ResearchGate. He regularly publishes in highly regarded medical journals and does reviews for journals such a Lancet Diabetes and Endocrinology, PLOS One, British Medical Journal and Diabetic Medicine amongst others.  Dr Vas has also been part of two Quality in Care - Diabetes award-winning teams, most recently in 2014. His private practice is located at Guthrie International Clinic at King's College Hospital and the London Bridge Hospital. 

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Professional statement

Dr Dipesh Patel is a leading endocrinology, diabetes and acute medicine consultant in London. He has a passion for high quality care. Among his areas of specialist expertise are diabetes (type 2) and associated newer therapies, thyroid disorders, parathyroid disease, polycystic ovaries (PCOS) and adrenal disease and lipids. He is also a specialist in cardiovascular disease prevention. As an avid researcher, he contributes greatly to the development of newer targets and therapies. He does this via clinical  trial investigations into diabetes-related kidney disease and cardiovascular disease mechanisms and prevention as well as research into newer therapies and clinical trials. In fact, he is a principal investigator of clinical trial work at the globally renowned University College London (UCL). During his training, he was awarded a PhD in 2010 by Imperial College London for his research in cholesterol transport in people with pre-diabetes and type 2 diabetes. What's more, he participates in the training of future doctors and specialists as an honorary associate professor at UCL and also as a lead teacher of undergraduate endocrinology at the Royal Free Campus of the medical school.

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