Steffie Woolhandler is Distinguished Professor of Public Health at City University of New York at Hunter College, and a primary care physician in the South Bronx. Among her best known research is work with David Himmelstein on the high administrative costs in the U.S. health care system, medical bankruptcy, and access to medical care for the oppressed. She co-founded Physicians for a National Health Program, an organization that advocates single-payer national health insurance for the United States.