John M Spicer List of directors and agents named John M Spicer. Found 2 results. JOHN M SPICER Registered Address: 9607 WATTS BRANCH RD ROCKVILLE MD 20850 Appointed in one company. Go To Profile JOHN M SPICER Registered Address: 9703 WATTS BRANCH DR ROCKVILLE MD 20850 Appointed in one company. Go To Profile