Mr Janindra Warusavitarne

Consultant Colorectal Surgeon
BMed FRACS PhD FEBSQ [Coloproctology]
Headshot of consultant Janindra Warusavitarne on a green background

Mr Janindra Warusavitarne is an internationally recognised expert in inflammatory bowel disease surgery (Crohn's and Ulcerative Colitis) with many publications and lectures in the subject. He also has a speciality interest in anal fistula, haemorrhoids and pelvic floor disorders.

Colorectal surgery, General surgery
In-person, Phone call


Mr Janindra Warusavitarne is a Consultant Colorectal Surgeon at The London Clinic, specialising in intestinal failure, inflammatory bowel disease, anal fistula, haemorrhoids and colorectal cancer.

He is the lead surgeon for inflammatory bowel diseases at NHS St Mark’s Hospital, London, and an honorary senior lecturer at Imperial College. He is part of the executive team conducting the European Board qualification for colorectal surgery. In addition, he is on the chair 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 as well as the modified rectopexy for pelvic floor issues which avoids the use of non-dissolvable mesh.

Mr Warusavitarne relocated from Australia in 2010, when he was offered an appointment at NHS 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.

More information

  • Qualified 1989
  • BMed, University of Newcastle Australia 1993 
  • Honorary Doctorate, University of Vitesbk Belarus
  • Honorary Fellowship, Sri Lankan College of Surgeons
  • Consultant Colorectal Surgeon
    The London Clinic
  • Consultant Colorectal Surgeon
    NHS St Mark's Hospital London
  • Honorary Senior Lecturer
    Imperial College London
  • European Society of Coloproctology Education Committee Chair

Contact us

Request an appointment with our world-leading consultants today, or speak to our helpful advisors for tailored advice.