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Independent Oncology

Dr Nick Maisey


Dr Maisey is a Consultant Medical Oncologist and is a specialist in the systemic treatment of gastrointestinal cancers


To arrange an appointment to see Dr Maisey, please call 020 3219 3599 or email


  • Cancer of the Oesophagus and Stomach
  • Gastro-intestinal stromal tumours (GIST)
  • Carcinoma of unknown primary
  • Cancer of the Bowel and Rectum
  • Chemotherapy and Immunotherapy


Dr Maisey is a Consultant Medical Oncologist at Guys and St Thomas’ NHS Foundation Trust. He specialises in the treatment of gastrointestinal cancers.

He chairs the Guys and St Thomas’ Upper GI Multidisciplinary team, is a core member of the carcinoma of unknown primary team at Guys and St Thomas’ and has been instrumental in developing the service of treatments and pathways for this rare cancer.

After qualifying in 1993 from Guys and St Thomas’ Hospital, he became a member of the Royal College of Physicians in 1997. He completed his specialist training in medical oncology at the Royal Marsden Hospital. In 2002 he was awarded an MD thesis for his work on early response markers in cancer.

Dr Maisey is involved in cancer drug development and has been a principal investigator on a number of national clinical trials as well as commercial studies. He has held a number of key roles including vice chair of the upper gastrointestinal tumour working group and medical director for the South East London Cancer Network. He has published several peer-reviewed papers and presented at a number of national and international meetings.

I am just thankful that a specialist like yourself is in my corner. KL


  • Fellow of the Royal College of Physicians (RCP)
  • British Medical Association (BMA)
  • Association of Cancer Physicians (ACP)
  • American Society of Clinical Oncology (ASCO)
  • European Society of Medical Oncology (ESMO)


To download Dr Maisey’s fee schedule click here


Dr Maisey sees patients privately at the following locations:

  • The London Clinic
  • HCA London Bridge
  • BMI Blackheath Hospital
  • BMI Chelsfield
  • Hospital of St John’s & St Elizabeth


Dr Maisey offers video consultations through Trustedoctor, a real-time online consultation service that allows you to have access to our Consultants wherever you are in the world. Your medical notes can be uploaded quickly and easily using secure secure servers, enabling our Consultants to determine the treatment you require.

To request an online consultation with Dr Maisey click here.