Dr Jonathan Ratoff

Consultant Respiratory Physician MBBS FRCP

Specialism: Lung

Available at: Chelsea, Sutton

Special interests:

  • Respiratory medicine
  • Lung cancer early diagnosis
  • Pleural services
  • Cancer related lung disease
  • Respiratory side effects of cancer treatments including immunotherapy
  • General medicine


Dr Jonathan Ratoff is an Honorary Consultant Physician in Respiratory Medicine at the Royal Marsden Hospital. He is also a General Medical and Respiratory Consultant at Epsom and St Helier NHS Trust (ESTH).

Dr Ratoff completed his medical training at Kings College Hospital Medical School in 1994. He undertook respiratory medicine and general medical training in the South Thames region. During this period, he completed a period of clinical research focusing on Airway T-Cell pathology in smoking, severe asthma and COPD and has published in this area.

Dr Ratoff has developed sub-specialist expertise in the treatment of cancer-related lung disease. He provides expert clinical advice on its management for cancer patients at The Royal Marsden with a wide variety of cancer types working closely with their oncology team. He also has a particular interest in the management of respiratory complications of cancer treatment (radiotherapy, chemotherapy and immunotherapy). 

Dr Ratoff has developed a pleural service for patients at The Royal Marsden and is skilled in a variety of respiratory procedures including aspiration, indwelling pleural catheter insertion and bronchoscopy +/- biopsy. He is also experienced in the inpatient and outpatient care of general medical patients.

Dr Ratoff is a member of the RM Partners Cancer Alliance Clinical Oversight Group which provides clinical opinion on transformation activities and sets clinical priorities. He has previously served as Lead Cancer Clinician for ESTH.

Dr Ratoff is a keen educator and enjoys teaching junior doctors. He is involved with education days for local GPs and has run practical procedure training courses for the KSS Deanery.


Clinical Units: