After graduating at King’s College Hospital Medical School in the early 1980’s, Dr Kwan trained in Renal and General Medicine in a number of London Teaching Hospitals, including King’s, St. George’s and The Royal London. Dr Kwan was first appointed as a Consultant Nephrologist in 1994; he then rose through the ranks of Clinical Director, Divisional Director and Medical Director at Epsom & St Helier Hospitals.

In 2010, Dr Kwan took a sabbatical and worked abroad for a couple years, where he gained substantial international experience. He is now a consultant nephrologist and general physician at Darent Valley Hospital, Kent. He is also an honorary consultant at King’s College Hospital, where he has regular clinical sessions.

Dr Kwan has extensive clinical experience in treating all types of kidney patients for over 30 years, with the last 20 being at the Consultant level. He gained a number of national accolades including the Winner of UK Hospital Doctor of the Year in Innovation, 2004, and Runner-up in Renal Team, 2007. Dr Kwan has published over 65 peer-reviewed papers in numerous high-impact journals.

Dr Kwan was awarded a MBE in the Queen's Birthday Honours List for Services to the NHS in 2020.