Show telephone contact numbers
Hide telephone contact numbers
General enquiries:
Book an appointment:
Self-pay enquiry:
The London Clinic

Specialties and sub-specialties

Oncology
Chemotherapy
Radiotherapy
Cyberknife
Biological therapies
Immunotherapy

Professional profile

Dr Gaya qualified at St George’s Hospital Medical School (University of London) where he was awarded a distinction and several academic prizes. He trained in Clinical Oncology at Imperial College and St Bartholomew’s Hospital and subsequently undertook a Cancer Research UK MD Fellowship at University College London.
Dr Gaya treats solid tumours using chemotherapy, radiotherapy, and biological therapies - His main focus is on colon cancer, cancers of the oesophagus, stomach, pancreas, liver, rectum and anus.
Dr Gaya’s main research interests are functional cancer imaging, where he is looking for ways to assess response to treatment much earlier, and techniques for assessing blood flow and oxygen levels within cancers.
He is also interested in developing drug treatments that can cut off the blood supply to cancers, or stop cancers making new blood vessels. He is heavily involved with the implementation of the latest radiotherapy techniques such as IMRT, IGRT and Tomotherapy, combining targeted or anti-vascular drugs with radiotherapy, and stereotactic body radiosurgery.
He was one of the first UK doctors to use CyberKnife robotic radiosurgery. He has published widely in peer-reviewed journals, He is a principle investigator on a number of national and international clinical trials.
Specialist Cancer Interests: Colon, rectum, anus, oesophagus, stomach, pancreas, liver, unknown primary, CyberKnife robotic radiosurgery, complex radiotherapy planning.

Clinical interests

  • Cyberknife
  • Immunotherapy of cancer
  • Advanced and complex radiotherapy techniques
  • Cancer imaging techniques
  • Unknown primary cancers

Current posts

  • Consultant Clinical Oncologist
    Guy's and St Thomas' NHS Foundation Trust

Medical training

Year qualified 1995
  • St Georges Hospital Medical School 1989 - 1995

Appointment enquiries: +44 (0) 20 3944 1073 Concierge service: +44 (0) 203 219 3323 Self-Pay service: +44 (0) 203 918 7301International office: +44 (0) 203 219 3266 Invoice and payment enquiries: +44 (0) 207 616 7708 General enquiries: +44 (0) 20 3918 9135

Breast services appointments: +44 (0) 207 616 7653 Diagnostics appointments: +44 (0) 207 616 7653 Endoscopy appointments: +44 (0) 207 616 7760 Eye centre appointments: +44 (0) 207 616 7768 Haematology appointments: +44 (0) 207 535 5503 Kidney services appointments: +44 (0) 207 224 5234 Liver services appointments: +44 (0) 207 616 7719 Physiotherapy appointments: +44 (0) 207 616 7651 Radiology appointments: +44 (0) 207 616 7653

Close menu