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Dr Simon Aylwin
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Diabetes & Endocrinology
General Internal Medicine


General Medical Council: 3481435


english, french


Dr Aylwin has a well-established private practice at the London Bridge Hospital and at The London Clinic that mirrors his NHS work. He is the Lead Clinician for Endocrinology at King’s College Hospital. Dr Aylwin leads the pituitary and adrenal multidisciplinary teams at King’s that look after patients with pituitary and other endocrine-related tumours and cancers. 

He has published over 70 research papers in peer-reviewed journals in the field of endocrine tumours, clinical obesity, appetite regulation, and molecular endocrinology, regularly reviews journal submissions for international publications is on the editorial board for the journal Pituitary. He lectures widely both within the UK and abroad and has contributed to numerous symposia and debates at the British Endocrine Society and in other learned societies with recent lectures in the UK and overseas in Barcelona, Korea, St Petersburg, Zurich, India, Dublin

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Medical Procedures

Pituitary function tests

Measurement of thyroid hormones

Assessment of thyroid nodules

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Special Interests

Simon Aylwin is a consultant endocrinologist at King’s College Hospital with broad clinical practice in endocrinology and special interests in pituitary tumours, thyroid disorders, adrenal tumours and cancer, neuroendocrine tumours, inherited endocrine tumour syndromes and hyponatraemia. 

He also works as a physician alongside bariatric surgeons managing patients with severe obesity and has an academic interest in appetite regulation.


Endocrinologist, hypothyroid, thyrotoxicosis, adrenal, thyroid, pituitary, hypothalamus, phaeochromocytoma, paraganglioma, incidentaloma, hypercalcaemia, parathyroid, neuroendocrine tumour, NET, acromegaly, prolactinoma, prolactin, Cushing’s, Graves’ disease, hyponatraemia, obesity


Simon Aylwin graduated from Queens’ College Cambridge in 1987 and undertook clinical studies at the Royal London Hospital, qualifying in 1990. After MRCP in 1993 he undertook specialist endocrinology training and research studies at Bart’s and the London leading to a PhD awarded in 2001.He took up a substantive post as a consultant endocrinologist at King’s College Hospital in 2002. Aylwin has served as a clinical committee member for the Society for Endocrinology and committee member for the UKINETS (UK and Ireland Neuroendocrine tumours). He is a member of the US Endocrine society and Pituitary society.