We'd love you to write a review of Dr S Mahmood - Cambridge Medical Group Stockton – could you? Share your experiences and help build a directory of the best gp practices in Stockton by adding a Dr S Mahmood - Cambridge Medical Group Stockton review. Is Dr S Mahmood - Cambridge Medical Group Stockton your business? Claim it now. Business owners who claim a business can easily add new tags, photos and update their listing.