Mr Janindra Warusavitarne
Consultant Colorectal Surgeon
About Janindra Warusavitarne
Mr Janindra Warusavitarne, is a Consultant Colorectal Surgeon at Welbeck Digestive Health, specialising in intestinal failure, inflammatory bowel disease, Anal fistula, haemorrhoids and colorectal cancer.
He is the lead surgeon for inflammatory bowel diseases at St Mark’s Hospital, London, an honorary senior lecturer at Imperial College and conjoint senior lecturer at the University of New South Wales. He is part of the executive team conducting the European Board qualification for colorectal surgery and a visiting scientist to the Garvan Institute of Medical Research. In addition he sits on the education committee of the European Society of Coloproctology.
Janindra is considered a key opinion leader and innovator and has been involved in many new procedures such as video assisted fistula treatment and laser treatment for haemorrhoids and anal fistula.
Mr Warusavitarne relocated from Australia in 2010, when he was offered an appointment at St Mark’s Hospital in Harrow, a national and international referral centre of excellence for intestinal and colorectal disorders.
After completing his surgical training, Janindra undertook full-time research (focusing on the genetics of colorectal cancer) and was awarded a PhD from the University of Sydney, Australia. He has extensive experience in minimally invasive surgery and has been innovative in developing minimally invasive surgical techniques.
Expertise
- Inflammatory Bowel Diseases
- Intestinal Failure
- Pelvic Floor Diseases
- Crohn’s Disease
- Anal Fistula
- Haemorrhoids and Diverticular Disease
Overview
- Age of patients seen
- 18+
- Qualifications
- Languages spoken
- English
- Research highlights
Mr Warusavitarne is an academic surgeon who combines hands-on clinical practice with ongoing research into colorectal diseases.
He was awarded a PhD in molecular genetics in 2005 and since then has supervised research students for both MD and PhD degrees in Sydney and London.
He has written over 120 papers and more than 15 book chapters on his subject interests and delivered over 100 international and national lectures on these topics.
- Professional memberships
Association of Coloproctology of Great Britain and Ireland
The European Society of Coloproctology
Colorectal Surgical Society of Australia and New Zealand
Consultations and services
Insurers covered
- +4 more
- Allianz Partners
- Cigna International
- Healix
- Henner
Tests & treatments
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.