Dr Rosemary Gan is a respiratory medicine specialist with a particular interest in sleep apnoea. Her clinic is conviently located onsite at Nambour Selangor Private Hospital.

Dr Gan also reports on tests conducted at Nambour Selangor's Respiratory Function Lab. This service is availble for GPs, specialists, inpatients at Nambour Selangor and outpatients above 12 years of age.