She has worked in the department of Gynaecology at the John Radcliffe Hospital as a GP with a Special Interest in Gynaecology where her enthusiasm for helping women manage various aspects of the menopause started. She has been awarded the Advanced Certificate of Menopause Care by the Faculty of Sexual and Reproductive Healthcare and is an Accredited British Menopause Society specialist and Menopause trainer. Dr Barber was Clinical Lead for the NHS Menopause service at the John Radcliffe in Oxfordshire, a tertiary referral centre, until March 2021 when she became the Clinical Lead for the NHS Community Gynaecology Service in Oxfordshire.
In 2022 Dr Barber was nominated and successfully elected to the British Menopause Society Medical Advisory Council.