Access Carroll is a medical nonprofit organization that offers free healthcare to residents in Carroll County, MD, with low incomes and no health insurance. The number of patients treated by Access Carroll more than doubled between 2006 and 2008, when more than 2,300 patients were seen in 5,700 visits. And with the economy projected to continue its downward spiral this year, organizations such as Access Carroll will be in greater demand, said Tammy Black, executive director of Access Carroll.