Dr Alastair O'Brien

Dr Alastair O'Brien


General Medicine

25 years of experience
12 years as a specialist


  • Gastroenterology
Show more

Languages spoken

  • English
Show more

Registered with

  • General Medical Council: 4127620
Show more

    Practices worked at

    The Princess Grace Hospital

    42-52 Nottingham Place, London, United Kingdom, W1U 5NY
    247 reviews


    Dr Dr Alastair O'Brien is a Consultant Hepatologist specialising in Hepato Pancreato Biliary Medicine.

    After qualifying from Guys and St Thomas' Medical School in 1994, he completed gastroenterology and general medicine training on the South Thames rotation. Following this, he undertook his hepatology training at King's College, The Royal London and University College London Hospitals (UCLH). He was a Medical Research Council clinical training fellow at University College London and was awarded a PhD for his research into the use of terlipressin as rescue therapy for septic shock.

    In 2007, Dr O’Brien was appointed as Consultant and Clinical Senior Lecturer in Hepatology at UCLH and The Royal Free Hospitals. At ULCH he is responsible for the inpatient management of all causes of acute and chronic liver disease. He runs an outpatients clinic at the Royal Free Hospital and sees patients with non-alcoholic fatty liver disease, autoimmune hepatitis, primary biliary cirrhosis, viral hepatitis (B & C), metabolic and alcohol related liver disease. He also has extensive experience in upper GI endoscopy especially management of variceal bleeding.

    Dr O’Brien has been published in a number of leading journals including Nature Medicine, The Lancet, Gastroenterology, Hepatology and Proceedings of The National Academy of Science. He was recently awarded funding for £1.6million by the Wellcome Trust and Department of Health to build a multi-centre clinical trial to prevent infection in cirrhosis patients. He has also gained funding from the Medical Research Council, The UCLH Biomedical Research Centre, and Industry (Pfizer).

    Read more

    Medical procedures

    • Colonoscopy
    • Endoscopy 
    • Gastroscopy 
    • Liver Biopsy
    • Sigmoidoscopy 
    Read more

    Special interests

    • Automimmune Hepatitis 
    • Cirrhosis 
    • Fatty Liver Disease 
    • Gallstones 
    • Hepatitis
    • Liver Disease 
    • Irritable Bowel Syndrome 
    Read more


    MBBS Guy's & St Thomas' Hospitals 1994

    BSc Guy's & St Thomas' Hospitals 1991

    Membership The Royal College of Physicians (London) 1997

    PhD University of London 2005

    Fellowship The Royal College of Physicians (London) 2016

    Read more
    This specialist has not collected any Doctify reviews


    Powered by Doctify
    Promoting trust & transparency in healthcare