Would you be willing to add a review of Dr N Wetterhahn - Longrove Surgery Barnet? Share your experiences and help build a directory of the best gp practices in Barnet by adding a Dr N Wetterhahn - Longrove Surgery Barnet review. Do you own Dr N Wetterhahn - Longrove Surgery Barnet? If so, claim it now! This will allow you to amend your details and improve your listing.