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Dr Alissa Walsh

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

4.98

/5

(230 reviews)

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

All
Reviews
Skill Endorsements
Colonoscopy
90
4
Gastroscopy
68
2
Irritable Bowel Syndrome (IBS)
45
1

Contact

Book online


Expert in:

About Dr Alissa Walsh


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.


Areas of expertise

All
Reviews
(428)
Skill Endorsements
(21)

Click the bar to read reviews or skill endorsements

Colonoscopy
90
4
Gastroscopy
68
2
Irritable Bowel Syndrome (IBS)
45
1
Bloating
42
1
Diarrhoea
34
1
Upper Gastrointestinal Conditions (Oesophagus & Stomach)
26
Acid Reflux (Heartburn)
23
Constipation
21
1
Colitis (Ulcerative Colitis)
17
3
Rectal Bleeding
14
Inflammatory Bowel Disease (IBD)
11
1
Heart Burn
5
1
Bowel Cancer Screening
5
1
Stomach / Abdominal Pain
2
2
Functional Bowel Disease
4
Sigmoidoscopy
2
1
Gastroparesis
3
Iron Deficiency Anaemia
3
Hiatus Hernia
2
Endoscopy (OGD)
2
Crohn's Disease
1
1
Haemorrhoids
1
Coeliac Disease
1
Gastroenteritis
1
Weight Loss
1
Gastric (Stomach) Ulcers
1
Food Intolerance
1
EBV (Mononucleosis/Glandular Fever)
1
Nausea and Vomiting
1
Medical Weight Loss
1
Achalasia
Barrett's Oesophagus
Colorectal Cancer
Dyspepsia (Indigestion)
Gastrointestinal Bleeding
Oesophageal Cancer
Oesophageal Spasm
Oesophagitis
Percutaneous Endoscopic Gastrostomy (PEG)
Pyloric Stenosis

Registered with

General Medical Council

No. 4670393


Education

University of Queensland

Medicine

Graduated 1998


Qualifications

Education

  • Graduated from medical school 1998 MBBS
  • Gastroenterology Specialist Training completed 2006 FRACP
  • PhD Oxford 2018

Memberships

  • GMC 4670393
  • European Crohn's and Colitis Organisation
  • British Society of Gastroenterology

Languages spoken

  • English

Consultation fees

  • New appointment: £300
  • Follow-up appointment: £180

Insurers

  • Benenden Health
  • Vitality
  • General and Medical
  • Bupa Fee Assured
  • Freedom Health Insurance
  • The Exeter
  • Simply Health (Dental)
  • Healix Health Services
  • Cigna
  • Bupa
  • WPA
  • AXA Health
  • Aviva Health

Location

All locations for Dr Alissa Walsh

Nuffield Health The Manor Hospital Oxford

4.85

(1106)

Beech Road, Headington, United Kingdom, OX3 7RP

Reviews

AI Review Summary

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.

5.00
verified patient
22 Apr 2026

Dr Walsh is efficient, professional, informative and empathetic. Everything about the procedure etc. was perfect.

Patient seen for:
5.00
verified patient
21 Apr 2026

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 .

Patient seen for:
5.00
verified patient
21 Apr 2026

She combines total scientific mastery with deep human compassion. Aninterview with her. Is an experience in itself.

Patient seen for:
5.00
verified patient
21 Apr 2026

Lovely lady has helped me a great deal

Patient seen for:
5.00
verified patient
14 Apr 2026

Excellent care

5.00
verified patient
14 Apr 2026

During my first appointment with Dr Walsh she came across friendly, professional, knowledgeable and reassuring.

5.00
verified patient
09 Apr 2026

Dr. Walsh provided excellent care and made me feel reassured and looked after.

5.00
verified patient
02 Apr 2026

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.

5.00
verified patient
02 Apr 2026

She explained everything very well

5.00
verified patient
15 Mar 2026

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!!

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Skill Endorsements

Dr Walsh is an outstanding Gastroenterologist with particular expertise in management of inflammatory bowel diseases.

27 Feb 2026
Endorsed for
Inflammatory Bowel Diseases (IBD) such as ulcerative Colitis or Crohn's Disease
Colonoscopy
Colitis (Ulcerative Colitis)

Dr Jeremy Cobbold

Dr Jeremy Cobbold

Gastroenterologist
Is a colleague

I have always found Alissa engaging and knowledgeable. Patients speak highly of her caring, considered, and thorough approach. Would recommend.

23 Nov 2025
Endorsed for
Inflammatory Bowel Diseases (IBD) such as ulcerative Colitis or Crohn's Disease
Colonoscopy
Stomach / Abdominal Pain

Mr Daniel Urriza Rodriguez

Mr Daniel Urriza Rodriguez

Vascular Surgeon
Is a colleague

Caring and compassionate colleague. Expert in IBD and a skilled endoscopist.

25 Oct 2025
Endorsed for
Inflammatory Bowel Diseases (IBD) such as ulcerative Colitis or Crohn's Disease
Colitis (Ulcerative Colitis)

Dr. Arif Hussenbux

Dr. Arif Hussenbux

Gastroenterologist
Is a colleague

Dr Walsh is a highly experienced and skilled gastroenterologist, and is renowned in her field. She is compassionate and respectful with patients.

07 Oct 2025
Endorsed for
Inflammatory Bowel Diseases (IBD) such as ulcerative Colitis or Crohn's Disease
Colitis (Ulcerative Colitis)

Dr. Tim Ambrose

Dr. Tim Ambrose

Gastroenterologist
Is a colleague

FAQ

What 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)

Find where Dr Alissa Walsh operates today

Does Dr Alissa Walsh accept new patients?

Dr Alissa Walsh generally accepts new patients.

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