
Dr Gregory Sebepos-Rogers
Consultant Gastroenterologist
About Gregory Sebepos-Rogers
Dr Sebepos-Rogers studied medicine at UCL and completed training in Oxford and London specialist centres for IBD and nutrition. He has an MSc in genomic medicine at Imperial College London and a PhD (in submission) in immunology at University College London.
In his current practice, he cares for patients at St Marys and Hammersmith hospitals, undertakes general and specialist IBD clinics, and leads the Hammersmith site nutrition service. He is a proficient endoscopist and trainer, and participates in the advanced polyp MDT. He is site training lead for St Mary's Hospital and examiner for Imperial College London. He is a principal investigator in IBD-linked commercial studies and Honorary Clinical Senior Lecturer at Imperial College London within the Digestive Disease research group.
Expertise
- Gastroenterology
- Endoscopy
- Inflammatory Bowel Disease
- Nutrition
- Irritable Bowel Syndrome
- Digestive Health
Overview
- Age of patients seen
- 18+
- Qualifications
MBBS BSc (Hons) MSc MRCP
- Languages spoken
- English
- Online profiles
- Research highlights
Sebepos-Rogers G, Sufi J, Qin X, Vlckova P, Sanders D, Murray C, Rahman FZ, Tape CJ, Smith AM. A novel autophagy-defective IBD organoid model reveals increased apoptosis and altered Paneth cell signalling in response to TNF-alpha and bacterial ligand stimulation using multiplexed in situ mass cytometry assays. Gastroenterology 2024 Volume 166, Issue 5, Supplement S-160-S-161 May 18.
Sanders, D.J., Inniss, S., Sebepos-Rogers, G., Rahman, F.Z., Smith, A.M. (2021). The role of the microbiome in gastrointestinal inflammation. Biosci Rep., June 2021 41(6) doi:10.1042/BSR20203850.
Kader, R*, Dart, RJ*, Sebepos-Rogers, G*, ..., GLINT Research Network, Segal, J, A Samaan, MA. *contributed equally. (2020). Implementation of an intervention bundle leads to quality improvement in ulcerative colitis endoscopy reporting. GastroHep, October 2020 doi:10.1002/ygh2.427.
Gadhok, R, Gordon, H, Sebepos-Rogers, G, ..., Lindsay, JO. (2020). UK Patients of Bangladeshi Descent with Crohn's Disease Respond Less Well to TNF Antagonists Than Caucasian Patients. Dig Dis Sci, 65 (6), 1790-1799. doi:10.1007/s10620-019-05907-w
Bakir IA, Sebepos-Rogers GM, Burton H, Monahan KJ. Mainstreaming of genomic medicine in gastroenterology, present and future: a nationwide survey of UK gastroenterology trainees. BMJ Open. 2019 Oct 22;9(10):e030505. doi: 10.1136/bmjopen-2019-030505. PMID: 31640999.
Full publication list: https://orcid.org/0000-0002-5422-323X
- Professional memberships
Member of the Royal College of Physicians (London)
British Society of Gastroenterologists
European Crohn's & Colitis Organisation
International Bowel Ultrasound Society
- Certifications and Awards
Crohn's and Colitis UK Fellowship
Royal Free Charity Grant
Francis Crick Partnership Network Grant (London Gut-Liver Network)
Consultations and services
Insurers covered


- +1 more
- Cigna International
Locations
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Frequently asked questions
Yes, but only for certain services. Some consultations, assessments, and treatments can be booked directly, while others require a GP or specialist referral. Please check the relevant service page for guidance, and contact the centre if you’re unsure.
We aim to offer appointments as quickly as possible, and many services have same-day or next-day availability. Waiting times vary depending on the appointment type, specialty, and consultant availability, but our team will always offer the earliest suitable appointment.
Yes. You can arrange an appointment for a family member, or someone you care for, just let us know when you get in touch. We’ll need their details and consent to complete the booking, unless you're their legal guardian or have power of attorney.
Your first consultation includes a detailed discussion of your symptoms, medical history, and lifestyle factors, followed by a thorough examination. It’s helpful if you can bring the results of any previous investigations with you, as well as a list of your current medications. Come with a comfortably full bladder so you can provide a urine sample if requested.