NHS referrals are typically made via the GP, Obstetrician or Midwife.

Private patients may self refer for consultation but it is helpful to have as much prior information as possible.

Enquiries are welcome to discuss referral and timing of scans


Referral is usually initiated by GP, midwife or obstetrician. All mothers are seen at the Evelina London Fetal Cardiology Unit, St Thomas Hospital, London, SE1 7EH.

Tel: 020 7188 2308


Professor Simpson sees patients privately either for initial consultation or for further evaluation if a cardiac abnormality has been suspected or diagnosed elsewhere. He will also continue cardiac care after birth and through childhood.

Tel: 020 7188 9687, 020 7188 2308


Web: Evelina Children's Hospital


The Evelina London Children's Hospital is located opposite the Houses of Parliament within the St Thomas Hospital Campus. The nearest Tube stops are Waterloo and Westminster.