DPhil FRACP
Gastroenterologist
Live bookings available
28 years of experience
Headington, OX3 7RP
24 connections in healthcare
Skill endorsed
by Dr Jeremy Cobbold, Mr Daniel Urriza Rodriguez and 4 other professionals
Live bookings available
28 years of experience
Headington, OX3 7RP
24 connections in healthcare
Skill endorsed
by Dr Jeremy Cobbold, Mr Daniel Urriza Rodriguez and 4 other professionals
Areas of expertise
Contact
Book online
To make an appointment, please call 07756 859468 or email karen.arevalo@nuffieldhealth.com
Dr Alissa Walsh (DPhil FRACP) is a Consultant Gastroenterologist at the Oxford University Hospitals NHS Trust and Nuffield Health, The Manor Hospital, Oxford. Dr Walsh has extensive international experience in clinical gastroenterology and endoscopy, including diagnostic and therapeutic gastroscopy and colonoscopy. She has received training with the National Bowel Cancer Screening team. Dr Walsh has a sub-specialty interest in inflammatory bowel disease (Crohn's disease and ulcerative colitis).
Dr Walsh completed her gastroenterology training in Australia and was awarded her consultancy from the Royal Australian College of Physicians in 2006. In 2007-2008 Alissa was a Clinical Fellow at the John Radcliffe Hospital. From 2008 Alissa was the Head of the Inflammatory Bowel Disease Unit at St Vincent's Hospital in Sydney. In 2018 Alissa completed a PhD at the University of Oxford, focusing on Inflammatory Bowel Disease. She has subsequently become part of the Consultant Gastroenterology team at the John Radcliffe Hospital.
Dr Walsh is renowned for being a leader and is a compassionate doctor who delivers the best quality of care for her patients. Her clinical and research interests include patient-reported outcomes, chronic disease remote monitoring, disease activity indices, and faecal transplantation. Digital management and wearables to investigate the role of stress and abdominal symptoms is one of her current projects. Dr Walsh also has an interest in teaching and is an Associate Fellow at Green Templeton College, University of Oxford.
Dr Walsh is the cofounder and a current director of a medical charity, Crohn's colitis Cure. She is also a member of the British Society of Gastroenterology and European Crohn's and Colitis Organisation.
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General Medical Council
No. 4670393
University of Queensland
Medicine
Graduated 1998
Education
Memberships
This summary was created by AI based on recent reviews
Dr Alissa Walsh is friendly, professional, knowledgeable, and reassuring with patients. She gives clear, detailed explanations for conditions and treatment plans, ensuring understanding of procedures like colonoscopy and gastroscopy. Dr Walsh listens to concerns, takes a thorough approach to investigations, and provides excellent care. Many patients benefit from her help with gastrointestinal issues such as irritable bowel syndrome and bloating.
Dr Walsh is efficient, professional, informative and empathetic. Everything about the procedure etc. was perfect.
Dr Walsh is such a personable doctor. She shows genuine deep interest in you as a patient and not just the gastroenterology aspect. Her manner is very reassuring and she is very thorough in explaining every aspect of procedures and results. Would through recommend her as a superb gastroenterologist .
She combines total scientific mastery with deep human compassion. Aninterview with her. Is an experience in itself.
During my first appointment with Dr Walsh she came across friendly, professional, knowledgeable and reassuring.
Dr. Walsh provided excellent care and made me feel reassured and looked after.
Dr Walsh exceeded my expectations of the consultation. I felt completely at ease, comfortable and confident that I was in expert safe hands. The recommended care pathway to explore my symptoms feels thorough and supportive. I highly recommend Dr Walsh.
Dr Alissa is very kind, personable, thoughtful and thorough. I felt very comfortable around her and was able to be completely transparent about my health history & more. She has delivered to me, a plan of action and further testing - which I believe may be able to help figure out what the next steps are. I really enjoyed my visit, and we covered a lot of ground- I would definitely recommend Dr Alissa!!
Dr Walsh is an outstanding Gastroenterologist with particular expertise in management of inflammatory bowel diseases.
27 Feb 2026
Dr Jeremy Cobbold
GastroenterologistI have always found Alissa engaging and knowledgeable. Patients speak highly of her caring, considered, and thorough approach. Would recommend.
23 Nov 2025
Mr Daniel Urriza Rodriguez
Vascular SurgeonCaring and compassionate colleague. Expert in IBD and a skilled endoscopist.
25 Oct 2025
Dr. Arif Hussenbux
GastroenterologistDr Walsh is a highly experienced and skilled gastroenterologist, and is renowned in her field. She is compassionate and respectful with patients.
07 Oct 2025
Dr. Tim Ambrose
GastroenterologistWhat are Dr Alissa Walsh's reviews like?
Dr Alissa Walsh's overall patient rating is 4.98 out of 5 stars on Doctify. This is based on 230 reviews.
What languages does Dr Alissa Walsh speak?
Dr Alissa Walsh speaks English
Where is Dr Alissa Walsh located?
Dr Alissa Walsh primarily practices at Nuffield Health The Manor Hospital Oxford, located at Beech Road, Headington, United Kingdom, OX3 7RP
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What are Dr Alissa Walsh working hours?
Dr Alissa Walsh is working Monday (12:30 - 16:30), Thursday (09:30 - 12:00)
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Does Dr Alissa Walsh accept new patients?
Dr Alissa Walsh generally accepts new patients.
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