Brienne Flagg DMD Top Dentist 122 Sandhill Drive, Suite 201 Middletown, Delaware, 19709 Phone: 302-449-1350 Company Name: Delaware Orthodontics Dentist Category: Orthodontics Profile Let this business know you found them on Delaware Today's Online Directories. Locations Middletown 122 Sandhill Drive, Suite 201 Middletown, Delaware 19709 Claim/Edit Listing