020 7407 3100

Treatments & Specialties

Consultant Oncologist

Dr Nicholas Maisey

Dr Nicholas Maisey

Consultant Oncologist

Cancer Services

Dr Maisey 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 these 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.

Professional Memberships:

  • Fellow of the Royal College of Physicians
  • British Medical Association
  • Association of Cancer Physicians
  • American Society of Clinical Oncology

Special interests

Treatment of gastroinstestional cancers including Bile duct, Bowel, Gall bladder, GIST, Liver, Oesophagus, Pancreas, Stomach, Cancers of unknown primary, as well as cancer drug therapies. 

Consulting Address

Chemotherapy Day Unit

London Bridge Hospital

London SE1 2PR

Consulting Sessions:

Tuesday PM


Hannah Stockwell


0203 219 3599


020 8588 3761








NHS Base:

Guy’s & St Thomas’ NHS Foundation Trust