Welcome to the homepage. Imperial College Healthcare NHS Trust combines expertise in Diabetes and Endocrinology at St Mary’s, Charing Cross and Hammersmith Teaching Hospitals in London. These are among the top-ranking teaching hospitals in the country in the official national ratings. Patients from all over the UK and from overseas are referred to our specialist services. Imperial College London is renowned for its award-winning research programs and forms the core of the North West Thames specialist registrar training programme.