Coronavirus (COVID-19): visiting The Royal Marsden suspended

Coronavirus (COVID-19) latest: Visiting The Royal Marsden is still suspended, but we want to reassure our patients, their families and anyone worried about cancer during this difficult time that we are still delivering treatment - the hospital is open. Please see more information here about how we are keeping everyone safe.

Dr John E Williams

Consultant in Anaesthesia and Pain Medicine MBBS FRCA FFPMRCA

Specialism: Pain management

Available at: Chelsea

Special interests:

  • pain in cancer patients
  • patients with persistent pain after cancer treatments
  • pain in cancer survivors
  • patients with neuropathic pain
  • patients with intractable pain


Dr Williams has been an anaesthetist specialising in Pain Medicine at the Royal Marsden Hospital since 1996.

Clinical. He has led the development of the Pain Team to now comprise five consultants and five Clinical Nurse Specialists. He has been at the forefront of clinical developments in cancer pain management such as the implementation of a new database for acute and chronic pain, and new pain clinics integrated with oncology.

Research. He has led a number of significant research projects evaluating pain and its management, e.g. ultrasound treatment of painful bone metastases, systematic reviews and new ways of proactively treating patients with pain from breast cancer and head and neck cancer. He has received research grants totalling over £2.5m from various sources including the NIHR, Association of Anaesthetists, Research for Patient Benefit Programme, and individual charitable donations. 

Educational. He jointly leads a successful educational programme involving hosting two annual national conferences on cancer pain, and development of the Advanced Pain Trainee programme at the Royal Marsden. 

Current Clinical Work. Dr Williams currently runs 3 pain clinics each week and leads daily acute pain ward rounds, as well as providing anaesthesia for upper gastrointestinal surgery.

Clinical units