Madison County Council for Developmentally Disabled, Inc. » Related Private Organizations Go back to directory. Add to Address Book. Madison County Council for Developmentally Disabled, Inc. Madison County Council for Developmentally Disabled, Inc. Contact: Mary Larsen, Executive Director 610 South Chamber Drive Fredericktown MO 63645 work Phone: 573-783-3770work Email: mlarsen@mccdd.orgINTERNET Website: www.mccdd.org Categories: RPO Updated 3 months ago.