You may find some of the following sites interesting:
The National Health Service official government site
http://www.nhs.uk
The Department of Health
http://www.dh.gov.uk/en/home
NHS Partners Network
http://www.nhspartnersnetwork.com
Southwest Strategic Health Authority
http://www.southwest.nhs.uk
Somerset Primary Care Trust
http://www.somerset.nhs.uk/pct/index.html
Dorset Primary Care Trust
http://www.dorset-pct.nhs.uk
The Healthcare Commission
http://www.healthcarecommission.org.uk