The Dartmouth Atlas of Health Care

For more than 20 years, The Dartmouth Atlas Project has documented glaring variations in how medical resources are distributed and used in the United States. The project uses Medicare and Medicaid data to provide information and analysis about national, regional, and local markets, as well as hospitals and their affiliated physicians.

Research

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Explore

Explore Medicare data with interactive visualizations

Understand

Let us share what we have learned from our data