Feel strongly about this business? Want to add a review of Dr C Gjertsen - Thornaby & Barwick Medical Group Stockton? Share your experiences by writing a Dr C Gjertsen - Thornaby & Barwick Medical Group Stockton review and help build a directory of recommended gp practices in Stockton. Do you own Dr C Gjertsen - Thornaby & Barwick Medical Group Stockton? If so, claim it now! This will enable you to update your business details and add search tags.