Cynthia A. Mumma DDS Top Dentist 1304 N. Broom St., Suite 1 Wilmington, Delaware, 19806 Phone: 302-440-1442 Company Name: Cynthia A. Mumma, DDS Dentist Category: General-Family Dentistry Profile Let this business know you found them on Delaware Today's Online Directories. Locations Wilmington 1304 N. Broom St., Suite 1 Wilmington, Delaware 19806 Claim/Edit Listing