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Understanding of the Efficiency and Effectiveness of the Health Care System

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 data to provide information and analysis about national, regional, and local markets, as well as hospitals and their affiliated physicians. This research has helped policymakers, the media, health care analysts and others improve their understanding of our health care system and forms the foundation for many of the ongoing efforts to improve health and health systems across America. LEARN MORE

Medicare beneficiaries are 27 times more likely to undergo bariatric surgery in Muskegon, Michigan than in San Francisco, according to Variation in the Care of Surgical Conditions: Obesity, a recent report examining unwarranted variations in surgical treatment for obesity.
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The Dartmouth Atlas of Health Care is based at The Dartmouth Institute for Health Policy and Clinical Practice and is supported by a coalition of funders led by the Robert Wood Johnson Foundation, including the WellPoint Foundation, the United Health Foundation, the California HealthCare Foundation, and the Charles H. Hood Foundation.