General enquiries:
Department of Haematology and Oncology department
Great Ormond Street Hospital
Great Ormond Street
London
WC1N 3JH
Haematology
Service telephone number: 020 7829 8831
Service fax number: 020 7813 8410
Oncology
Service telephone number: 020 7829 8832
Service fax number: 020 7813 8588
GOSH Switchboard: 020 7405 9200