In 2013 she was hired as a senior advisor by the Centers for Medicare & Medicaid Services, a federal agency within the United States Department of Health and Human Services, to assist in implementing policies for Medicaid, Medicare, and the Children's Health Insurance Program, as well as the Federally Facilitated Marketplace under the Patient Protection and Affordable Care Act. She was later appointed as the Chief Operating Officer and Chief of Staff Services at the agency and served as Acting Director of the agency's Center for Consumer Information and Insurance Oversight. In 2014, while eight months pregnant, Cohen advocated for maternity coverage in the Affordable Care Act before Congress.
