List of Denny's Stores in Frederick, MD Outlet Note Regular Brands Denny's Maryland Frederick Rating 4.8 based on 89 votes Products Fast Food Restaurant Pancake House Coffee Shop Steakhouse NameAddressPhone Name/Address/Phone Denny's outlet - Frederick 1207 W Patrick St (301) 695-7400 Denny's outlet - Frederick 1207 N East St (301) 695-7400 Denny's outlet - Frederick 128 E 3rd St (301) 662-4032 People Also Viewed