• GastroenterologyThe Gastroenterology department is an internationally-renowned centre of clinical excellence. It has clinics at the Trust's four hospitals St Mark's, Central Middlesex, Northwick Park and Ealing Hospital.
  • General surgeryWithin the General surgery service the whole range of surgical gastroenterology is provided, performing high volumes of routine general and specialist gastrointestinal surgery.
  • GeneticsThe North West Thames Regional Genetics Service (Kennedy-Galton Centre) is based at Northwick Park and St Mark's Hospitals in Harrow. We are the regional genetics service for residents of Hertfordshire, Bedfordshire, Hillingdon, Brent, Harrow, Ealing, Hammersmith, Hounslow, Kensington, Chelsea, Westminster and Edgware.
  • GUM (sexual health)A full range of sexual health advice and care is provided at the Patrick Clements Genitourinary Medicine Centre at Central Middlesex Hospital and the Genito Urinary Medicine Centre at Northwick Park Hospital and on level 8 of Ealing Hospital.
  • GynaecologyOur gynaecology services are based over at Central Middlesex, Ealing, Northwick Park and St Mark's Hospital. The service provides comprehensive care for women with a wide range of gynaecological conditions.
  • Gynaecology cancer servicesPatients with suspected gynaecological cancer are referred either through our rapid access service for suspected cancer by direct referral from other specialties in the hospital either as inpatients or outpatients. Our rapid access service ensures a speedy pathway from initial consultation through to diagnosis and subsequent definitive management.