It's an UK Health thing; don't know where in England you are but here's a couple listings; London area, Kent, etc.:

http://redirect.nelincs.gov.uk/AtoZ/atozDetail?ID=7782

http://www.newham.gov.uk/HealthAndSo...vicesInNewham/

http://www.rbwm.gov.uk/web/social_me...overy_team.htm