Dr Simon Aylwin

Dr Simon Aylwin


Endocrinology & Diabetes

Offers video consultation
32 years of experience
23 years as a specialist

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Overall Experience


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“Within my first consultation with Dr Aylwin, I was given more information, definitive answers and understanding than in the previous 5 years, seeing specialist after specialist. Dr Aylwin listens to me and has systematically tackled each area of concern with great results that I would not have been able to achieve otherwise. With Saxenda I have achieved a weight loss of 15lbs in 2-months with negligible side effects. Dr Aylwin has always taken into account what matters to me and he has given me great peace of mind on many would-be concerns associated with PCOS.“
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  • Diabetes
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Languages spoken

  • English
  • French
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Registered with

  • General Medical Council: 3481435
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    Consultation fees

    New appointment: £310

    Follow-up appointment: £180

    Practices worked at

    HCA UK at The Shard

    St Thomas Street, London, United Kingdom, SE1 9BS
    2,377 reviews


    Dr Aylwin has a well-established private practice at the London Bridge Hospital 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

    Diseases, Medical Tests and Treatments

    Pituitary function tests

    Measurement of thyroid hormones

    Assessment of thyroid nodules

    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


    • Adrenocorticotropin Stimulation Tests (ACTH)
    • Dexamethasone Suppression Test
    • Fine Needle Thyroid Biopsy
    • Pituitary Function Test
    • Synacthen Test
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    Special interests

    • Thyroid Problems
    • Graves’ Disease
    • Adrenal Disease
    • Hyperthyroidism
    • Hormone Imbalances and Disorders (Female)
    • Hypothyroidism
    • Cushing’s Syndrome
    • Hashimoto’s Thyroiditis
    • Metabolic Syndrome
    • Pituitary Disorders
    • Polycystic Ovary Syndrome (PCOS)
    • Prolactinoma
    • Acromegaly or Gigantism
    • Addison’s Disease
    • Diabetes Insipidus
    • Endocrine Hypertension
    • Goitre
    • Hormone Disorders (Male)
    • Parathyroid Disease
    • Reproductive Disorders
    • Thyroid Nodules
    • Vitamin D Deficiency
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    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. 

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