Contact the Pulmonary Hypertension Service

Here is how to contact the Pulmonary Hypertension Service at Great Ormond Street Hospital.

Address

Pulmonary Hypertension service
Level 3, Zone M
Zayed Centre for Research
20 Guildford Street
London

WC1N 3JH

Service hours

Monday to Friday, 8am to 5.30pm (excluding bank holidays).

Contacts for patients and families

Pulmonary Hypertension administration

Pulmonary Hypertension Clinical Nurse Specialists

Non-urgent queries:

Urgent queries:

Contacts for healthcare professionals

Urgent clinical queries or urgent referrals

For emergency clinical advice:

Out of hours urgent clinical queries 

Non-urgent referrals
To refer a patient to the Pulmonary Hypertension Service:

Pulmonary Hypertension Clinical Nurse Specialists

Contact for educational and childcare settings

Reference:
0726WAD0121
Last review date:
6 August 2026