Dr Mark Harrison

Consultant Oncologist


I trained at the Royal Free Hospital with post-qualification training at Cambridge, Hammersmith, St Marys, Middlesex and Great Ormond Street hospitals. I was an ICRF research fellow at Clare Hall Laboratories for work leading to a PhD in cell biology.

I am currently regional advisor of The Royal College of Radiologists as well as a member of the NCRN rectal, advanced colorectal and chemoradiation sub-groups.

Treatment information

Some of the principal treatments carried out by Dr Mark Harrison at Spire include:

Other treatments

  • Oncology: Bowel cancer

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Important information about COVID-19 tests

COVID-19 testing or antibody tests are not available as a standalone service at Spire Bushey Hospital.


Marketing Information

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Additional information

Treatment of upper and lower gastro-intestinal cancers
Telephone 0800 585 112
Private secretary Pippa Lofthouse-Smith
Private secretary telephone 020 3826 2239
Private secretary email pippalofthouse@nhs.net