Dr Mark Harries

Dr Mark Harries



31 years of experience
18 years as a specialist

Overall Rating

Overall Experience


Bedside Manner




Top feedback

“Mr Harries is wonderful, he never rushes me out, he always has time to answer any questions or concerns I may have and explains everything in a very calm, concise manner and I always feel very confident in any treatment he may recommend, I would recommend him to anyone.“
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  • Breast Cancer
  • Medical Oncology
  • Advanced Melanoma
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Languages spoken

  • English
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Registered with

  • General Medical Council: 3471548
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    Practices worked at

    London Bridge Hospital

    27 Tooley Street, London, United Kingdom, SE1 2PR
    2,560 reviews

    Private Care at Guy’s at London Bridge Hospital

    Guy's Cancer Centre, Great Maze Pond, London, United Kingdom, SE1 9RT
    227 reviews



    Dr Mark Harries is a Consultant Medical Oncologist at Guy's & St Thomas' Hospitals NHS Foundation Trust and honorary senior lecturer at Kings College London School of Medicine - he also sees patients privately. He specialises in the treatment of breast cancer and melanoma.

    Dr Harries graduated from Cambridge University and underwent clinical training at the Royal London Hospital. He then trained in medical oncology at the Royal Marsden Hospital and completed a PhD and post-doctoral work in the Department of Immunology at University College, London. His research interests include immunotherapy for melanoma and breast cancer as well as clinical trials of new biological agents for these diseases.

    He has published many papers and presents on a regular basis at national and international conferences. He is the Oncology Editor for the International Journal of Clinical Practice. Dr Harries is also an honorary senior lecturer at King's College London School of Medicine. 

    Diseases, Medical Tests and Treatments

    • Chemotherapy
    • Immunotherapy
    • Biological therapy
    • Hormonal therapy
    • Breast Cancer
    • Melanoma

    It is important that HCA is transparent about our relationship with those doctors who provide us with clinical guidance on delivering the best possible care to patients and operating our hospitals safely and efficiently. We set out here some of the ways in which we work together and the amount we pay this doctor for such services.



    • Chemotherapy
    • Biological Therapy
    • Hormone Therapy
    • Immunotherapy
    • Neoadjuvant
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    Special interests

    • Breast Cancer
    • Skin Cancer
    • Melanoma
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    • BA - Cambridge 1987
    • MB BChir - Cambridge 1990
    • MRCP - Royal College of Physicians (London) 1993
    • PhD - UCL 2000
    • FRCP - Royal College of Physicians (London) 2009


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