Twitter Facebook Google Plus YouTube LinkedIn Instagram
Show telephone contact numbers
Hide telephone contact numbers
General enquiries:
+44 (0)207 935 4444
Book an appointment:
+44 (0)207 616 7693
Self-pay enquiry:
+44 (0)203 219 3315
The London Clinic
Dr Alastair O'Brien is a Consultant Hepatologist at The London Clinic, specialising in liver conditions.

Make an appointment

Fast track your treatment with Dr Alastair O'Brien. Call us on 020 3944 1073.

Book appointment now

Your call may be recorded for training and monitoring purposes.

Specialties and sub-specialties


Specialist microsite

London Liver Group

Professional profile

Dr Alastair O’Brien is a Clinical Senior Lecturer and Consultant Hepatologist at University College London and The Royal Free Hospitals. His research in infection and liver disease has been published in the most prestigious medical Journals such as The Lancet, Nature Medicine, Hepatology and Gastroenterology.
He currently holds approximately £2million in grant funding from the Wellcome Trust, The Medical Research Council and The Department of Health. He is able to combine clinical excellence with running a laboratory research group and a clinical trial team. He is the chief investigator for ATTIRE which will be the largest interventional study ever performed in patients with acute decompensation of cirrhosis taking place at more than 20 sites over the next three years.
He is also the associate editor for the British Medical Journal open Gastroenterology and has written the hepatology chapter for the best-selling medical textbook Kumar and Clarke’s Clinical Medicine, 9th Edition.
Dr O’Brien is a great advocate of patient choice and believes that empathy and listening to people are a doctor’s most important duties.

Clinical interests

  • Alcohol
  • Abnormal liver enzymes
  • Fatty liver disease
  • Viral hepatitis
  • General gastroenterology
show more
  • Intensive care management of liver disease patients
  • Autoimmune and Metabolic liver disease
show less

Current posts

  • Clinical Senior Lecturer and Consultant Hepatologist
    University College London and The Royal Free Hospitals

Medical training

Year qualified 1994
  • United Medical and Dental Schools of Guy’s and St Thomas’s Hospitals 1994


100 Days Dry Challenge: Final Orders
Dr O'Brien uses a FibroScan® test to measure the impact of not drinking alcohol for a prolonged period.
This is what happens to your body after all the heavy drinking at Christmas
Dr O'Brien is extensively quoted on the physical drawbacks of drinking alcohol.

Personal interests

Dr O’Brien is a fitness fanatic but most of all enjoys spending time with his wife and two gorgeous children.


A nurse with a patient

Facilitating acute admissions into The London Clinic whilst maintaining the highest levels of safety and care, supported by a consultant on-call rota.

Concierge service

Chauffeur loading suitcases into a luxury car

We can support our patients with travel, hotel accommodation, London tours, plus theatre and restaurant reservations.

Close menu

Main numbers

General enquiries: 020 7935 4444Appointments: 020 7616 7693Self-pay: 020 3219 3315

Other numbers

Concierge service: 020 3219 3323International office: 020 3 219 3266Invoice and payment enquiries: 020 7616 7708

Your call may be recorded for training and monitoring purposes.

Medical service numbers

Breast services appointments: 020 7616 7653 Diagnostics appointments: 020 7616 7653 Endoscopy appointments: 020 7616 7760 Eye centre appointments: 020 7616 7768 Haematology appointments: 020 7535 5503 Kidney services appointments: 020 7224 5234 Liver services appointments: 020 7616 7719 Physiotherapy appointments: 020 7616 7651 Radiology appointments: 020 7616 7653

Close menu