William Covell MD 124 Sleepy Hollow Dr Ste 203 Middletown, Delaware, 19709 Phone: 302-449-3030 Company Name: Primary Care Doctor Category: Internal Medicine Profile Let this business know you found them on Delaware Today's Online Directories. Locations Middletown 124 Sleepy Hollow Dr Ste 203 Middletown, Delaware 19709 Claim/Edit Listing