Comprehensive study on US health care spending by county reveals wide variation Researchers present the most comprehensive study on U.S. health care spending and variations across 3,110 counties by four payers, 148 health conditions, 38 age/sex groups, and seven types of care. That's ... Institute for Health Metrics and Evaluation Medical Xpress

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The analysis identified some of the drastic fluctuations in health care expenses from coast to coast. For example, Nassau County in New York City's metropolitan area is spending $13,332, the highest per capita health care expenditure in the U.S. That's nearly four times some of the lowest figures in the country, like Clark County's $3,410 in Idaho.

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