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Dr Alastair O'Brien

Verified Gastroenterology Belgravia

Dr Alastair O'Brien

6 years of experience 5.0 (16 verified reviews)

3,150+
Patients seen
6
Years in practice
12
Publications
1
Languages spoken

PROFILE SUMMARY

About Dr Alastair O'Brien at a glance

Dr Alastair O'Brien is a Gastroenterology practitioner based in Belgravia, United Kingdom, practising at Universidad de Sevilla Teaching Hospital. They have 32+ years of clinical experience. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universidad de Sevilla (MD, 2016). Serves patients in Belgravia, United Kingdom and the surrounding area.

VERIFIED PHYSICIAN PROFILE · UPDATED MAY 2026

About

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).



Diseases, Medical Tests and Treatments
Colonoscopy
Endoscopy
Gastroscopy
Liver Biopsy
Sigmoidoscopy
Automimmune Hepatitis
Cirrhosis
Fatty Liver Disease
Gallstones
Hepatitis
Liver Disease
Irritable Bowel Syndrome

“Evidence-based care tailored to each patient — taking the time to explain options and shared decisions.”

— Dr Alastair O'Brien

Education & training

  1. 2010–2016 MD · Medicine and Surgery
    Universidad de Sevilla, Belgravia (GB)
  2. 2016–2020 Residency · Gastroenterology
    Universidad de Navarra, Belgravia (GB)

Career & appointments

  1. 2020-09–2021-08 Junior consultant
    Universidad de Sevilla Teaching Hospital — Gastroenterology

Licenses & insurance

Medical licenses

GB — Organización Médica Colegial de España (OMC)
#GB-631028 active · expires 2028-12-31

Board certifications

European Board of Gastroenterology
#EB-105DFFF1 · issued 2021 · renewal 2031
Malpractice insurance: AXA Healthcare Liability · 1,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 2,012
Annual physical exam 99395 1,610
Vaccination administration 90471 2,242
Minor procedure (skin) 17110 2,821

Services & pricing

ServiceDurationModalityPrice
New patient consultation (60m) 60 min in_clinic|telemed 180.00 EUR
Follow-up consultation (30m) 30 min in_clinic|telemed|phone 90.00 EUR
Vaccination administration 30 min in_clinic 180.00 EUR
Minor procedure (skin) 120 min in_clinic 450.00 EUR

Office, team & in practice

Alastair O'Brien
HEADSHOT
Alastair O'Brien in consultation
IN OFFICE
Alastair O'Brien with the team
WITH TEAM
Alastair O'Brien at a conference
CONFERENCE

Videos

introduction · 71s
Meet Alastair O'Brien

Research & publications

h-index: 11 · i10: 2

  1. Validation of clinical scoring in Gastroenterology
    Alastair O'Brien, et al. · European Journal of Medicine, 2026
    DOI: 10.2994/euroclin.2026.0 · PMID: 30501756 · cited by 156
  2. Long-term follow-up of Gastroenterology across GB
    Alastair O'Brien, et al. · European Journal of Medicine, 2025
    DOI: 10.8841/euroclin.2025.1 · PMID: 32777830 · cited by 86

Invited talks

  • Practical updates in Gastroenterology European Annual Congress (Gastroenterology) · Vienna · 2024 · invited
  • Single-centre experience in Gastroenterology National Society Meeting · Belgravia · 2023 · oral abstract

Awards & memberships

Awards

  • 🏆 Top-rated Gastroenterology — Belgravia · EuroClinics Patient Choice · 2025 · regional
  • 🏆 Excellence in Patient Care · National Society · 2024 · national

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2021
  • national college of family doctors — Member · Since 2021
  • European Union of Medical Specialists (UEMS) — Member · Since 2021

Articles by this doctor

  • Patient education Patient guide to Gastroenterology 2026-03-20 · 7 min read
  • Awareness When should you see a gastroenterology? 2026-01-04 · 6 min read

For international patients

Coordinator
Patient liaison · professor.alastair.obrien@euroclinics.example
Accepted international insurance
Allianz Worldwide · AXA Global · BUPA Global · Cigna Global

Location

1 tag

Patient reviews

16 verified reviews
5.00
★★★★★
16 reviews
5★ 2
4★ 1
3★ 0
2★ 0
1★ 0
Bedside Manner
5.0
Knowledge
5.0
Wait Time
4.8
Staff Friendliness
5.0
Ease Of Appointment
4.9
Value For Money
4.9
Would Recommend Pct
99.0
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Recent reviews

  • ★★★★★ ✓ Verified
    Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.
    Anna B.
  • ★★★★★ ✓ Verified
    Took time to listen and reviewed all my previous results. I would absolutely recommend.
    Marco V.
  • ★★★★☆ ✓ Verified
    Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.
    Helena F.

SPECIALTIES & PROCEDURES

Dr Alastair O'Brien's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr Alastair O'Brien treats, with the size of the national pool of United Kingdom doctors offering the same care.

Gastroenterology

Digestive-tract conditions including reflux, IBS, IBD, liver disease and colorectal screening.

Dr Alastair O'Brien is one of 792 gastroenterology doctors indexed in United Kingdom. Browse gastroenterology doctors in United Kingdom →

LOCAL CARE CONTEXT

Why local healthcare in Belgravia matters

Medical practice in United Kingdom is governed by country-specific licensing, professional standards, and patient-safety regulations. Practitioners listed here are registered with the relevant United Kingdom medical authority and operate within national rules on scope of practice, prescribing rights, and continuing professional development. Care delivered in Belgravia carries the additional benefits of local language support, in-person follow-up, and direct coordination with regional hospitals and labs. A verified profile means EuroClinics has cross-checked the practitioner or clinic against an official source (national medical register, public licence database, or the practitioner themselves), and that the data shown here matches that source as of the last verification date above.

Looking for additional providers? all doctors in Belgravia or all doctors in United Kingdom.

Frequently asked questions

Quick answers to the questions patients ask most. The same answers are surfaced to AI assistants via structured data.

  • What does Alastair O'Brien specialise in?

    Alastair O'Brien specialises in Gastroenterology in Belgravia, GB. 32 years of clinical experience.

  • What conditions does Alastair O'Brien treat?

    Alastair O'Brien treats conditions within Gastroenterology. View the full conditions-treated list on the profile.

  • Where does Alastair O'Brien practise?

    Alastair O'Brien practises in Belgravia, GB. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • What languages does Alastair O'Brien speak?

    Alastair O'Brien speaks English.

  • How do I book an appointment with Alastair O'Brien?

    Use the "Request a booking" button on the profile to send an appointment request. Most appointments are confirmed within 24 hours; many slots are bookable instantly.

  • What do patients say about Alastair O'Brien?

    Alastair O'Brien has a verified rating of 5/5 from 16 patient reviews. Read the most recent reviews on the profile page.

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