Conversations keep coming back to a handful of entities like Kaiser Permanente or Geisinger Health System that both insure and provide healthcare for their patients.

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The study by the Geisinger Health System of Pennsylvania is expected to have preliminary results within a year, but there is not yet any timetable.

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Health Commissioner Nirav Shah also said he met with researchers from the U.S. Environmental Protection Agency and Geisinger Health System in Pennsylvania within the past two weeks.

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We have long known that some places, like the Intermountain Healthcare in Utah or the Geisinger Health System in rural Pennsylvania, offer high-quality care at costs below average.

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President Obama has touted "staff models" like the Geisinger Health System in Pennsylvania and the Mayo Clinic in Minnesota that employ doctors and then succeed in reducing costs by closely managing what they do.

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It teamed up last year with Pennsylvania-based Geisinger Health System to engage patients at risk of developing type 2 diabetes and cardiovascular disease, and increase the likelihood they will take their drugs as prescribed.

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