Donna’s research program focuses on health services and health policy; primarily in relation to aging, ageism, and end-of-life care. Her work is oriented to myth busting, to ensure effective and accessible healthcare services for older and younger people. Her investigations often involve population data and mixed-methods research. She has over 300 articles, books, book chapters, and other peer-reviewed communications in print. She is frequently and widely consulted for expert commentary on aging, end-of-life care, health policy, healthcare services, and health system trends and issues.