Northwick Park Hospital HA1 3UJHarrow GUM Department,Northwick Park Hospital,Watford Road,Harrow,Middlesex, HA1 3UJ Telephone: 020 8869 3142 / 020 8869 3239 www.pcch.demon.co.uk Walk in clinic times: Monday 9.30am to 12pm 2pm to 4pm Tuesday 4pm to 6pm Wednesday 3pm to 5pm (under 25's only)Thursday 9.30am to 12pm 2pm to 4pm Friday 9.30am to 12pm Appointment times: Wednesday 9.30am to 12pm Saturday 9.15am to 1pm Note walk-in clinics have a limited capacity. Tickets are issued 15 minutes before clinics start. Appointments are bookable via reception. This service offers PEP (Post Exposure Prophylaxis). Same day HIV test results at these times. Rapid HIV test available. Access for disabled users. Map of the Harrow area.