Address: 77 Gray's Inn Road, London WC1X 8TS Telephone: 0207 405 9360 Website: http://www.graysinnmedical.co.uk/ Description: A medical practice has existed on this site and the adjacent house for over 136 years (since 1879). I am sure if you ask they'll still apply leeches!
Address: 64-66 Lambs Conduit Street, London WC1N 3NA Telephone: 020 3077 0044 Website: http://www.holbornmedicalcentre.com Description: Arguably the closest general practice to college. Generally well liked.
Address: King's Cross Suite 3.7, 344-354 Gray's Inn Road London WC1X 8BP Telephone: 020 3553 3227 Website: http://www.londondoctorsclinic.co.uk/ Description: This is a private GP practice. In August 2016 it was £55 for a 15 min consultation. Don't know why you wouldn't go to an NHS GP?