Division of Medicaid & Medical Assistance
Delaware Health and Social Services
1901 N. Du Pont Highway, Lewis Building
New Castle, DE 19720
Rosanne Mahaney is the director of the Delaware Division of Medicaid & Medical Assistance within the Department of Health and Social Services. The Division administers four medical assistance programs that serve more than 220,000 low-income Delawareans. As Delaware’s Medicaid director, Ms. Mahaney oversees the Medicaid, Children’s Health Insurance Program (CHIP), State Prescription Assistance, and Chronic Renal Disease programs. Ms. Mahaney has worked for the Department of Health and Social Services in various management positions for over 30 years.