Dr Jonathan R Richard Katz

Dr Jonathan R Richard Katz



28 years of experience
19 years as a specialist


  • Diabetes & Endocrinology
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Languages spoken

  • English
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Registered with

  • General Medical Council: 3490022
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    Practices worked at

    Golders Green Outpatients and Diagnostics Centre

    Roman House, Roman House, 296 Golders Green Rd, London, United Kingdom, NW11 9PY
    64 reviews

    The Wellington Hospital

    St Johns Wood, London, United Kingdom, NW8 7JA
    475 reviews


    Dr Jonathan Katz is a Consultant in Diabetes & Endocrinology, based at Barnet Hospital, which is part of the The Royal Free London NHS Trust - a position he has held since 2014. He also sees patients privately, including at The Wellington Hospital. He specialises in Diabetes, Thryroid Disease and other hormone imbalances and has additional interest in Prolactinoma and Calcium Disorders. He further treats patients with a wide range of conditions including Testosterone Deficiency, Addison's Disease and Vitamin D deficiency.

    Dr Katz studied medicine at Cambridge University and University College London, qualifying in 1991. He specialised in endocrinology, completing registrar training at UCLH, the Whittington Hospital and the Royal Free Hospital. He also undertook a two year research fellowship, resulting in an MD, for his thesis on obesity and polycystic ovary syndrome.

    In 1999, he worked as a registrar in Sydney Australia and he was appointed as a Consultant in Diabetes and Endocrinology in 2002. From 2007 to 2012, he was Head of the Endocrinology Department at Barnet and Chase Farm NHS Trust and in 2009, he was elected as a Fellow of the Royal College of Physicians.





    Diseases, Medical Tests and Treatments
    • Pituitary Function Test
    • Diabetes
    • Thyroid Disease
    • Hormone Imbalances
    • Polycystic Ovary Syndrome
    • Pituitary Disease
    • Testosterone Deficiency
    • Addison's Disease
    • Calcium Excess
    • Vitamin D Deficiency



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    Medical procedures

    • Blood Glucose Monitoring
    • Fine Needle Thyroid Biopsy
    • Pituitary Function Test
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    Special interests

    • Addison’s Disease
    • Diabetes
    • Hormone Imbalances and Disorders (Female)
    • Hyperthyroidism
    • Hypothyroidism
    • Pituitary Disorders
    • Thyroid Nodules
    • Thyroid Problems
    • Vitamin D Deficiency
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    • MB BChir - Cambridge University 1991
    • MD - University of London 2001
    • FRCP - Royal College of Physicians 2009


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