Always got something to say? Want to submit a review of Dr B Sanders - Ongar Health Centre in Chelmsford? A Dr B Sanders - Ongar Health Centre Chelmsford review will help create a directory of recommended gp practices in Chelmsford. Are you the owner of Dr B Sanders - Ongar Health Centre Chelmsford, then claim it today. If you claim a business, you will be able to choose a new business profile photo.