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Pioneer ACO Model

The Pioneer ACO Model is designed for health care organizations and providers that are already experienced in coordinating care for patients across care settings. It will allow these provider groups to move more rapidly from a shared savings payment model to a population-based payment model on a track consistent with, but separate from, the Medicare Shared Services Program. And it is designed to work in coordination with private payers by aligning provider incentives, which will improve quality and health outcomes for patients across the ACO, and achieve cost savings for Medicare, employers and patients.

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There are 32 ACOs participating in the Pioneer ACO Model.

  • Alina Health (Minnesota and Western Wisconsin)
  • Atrius Health (Eastern and Central Massachusetts)
  • Banner Health Network (Phoenix, Arizona Metropolitan Area Maricopa and Pinal Counties)
  • Beacon, LLC (Central, Eastern, and Northern Maine)
  • Bellin Thedacare Healthcare Partners (Northeast Wisconsin)
  • Beth Israel Deaconess Physician Organization (Eastern Massachusetts)
  • Brown & Toland Physicians (San Francisco Bay Area, California)
  • Dartmouth-Hitchcock ACO (New Hampshire and Eastern Verrmont)
  • Fairview Health Systems (Minneapolis, Minnesota Metropolitan Area)
  • Franciscan Alliance (Indianapolis and Central Indiana)
  • Genesys PHO (Southeastern Michigan)
  • Healthcare Partners Medical Group (Los Angeles and Orange Counties, California)
  • Healthcare Partners of Nevada (Clark and Nye Counties, Nevada)
  • Heritage California ACO (Southern, Central, and Coastal California)
  • JSA Medical Group, a division of HealthCare Partners (Orlando, Tampa Bay, and surrounding South Florida)
  • Michigan Pioneer ACO (Southeastern Michigan)
  • Monarch Healthcare (Orange County, California)
  • Montefiore ACO (New York City (the Bronx) and lower Westchester County, New York)
  • Mount Auburn Cambridge Independent Practice Association (MACIPIA) (Eastern Massachusetts)
  • OSF Healthcare System (Central Illinois)
  • Park Nicollet Health Services Minneapolis, Minnesota Metropolitan Area)
  • Partners Healthcare (Eastern Massachusetts)
  • Physican Health Partners (Denver, Colorado Metropolitan Area)
  • Plus! (Tarrant, Johnson and Parker Counties in North Texas)
  • Presbyterian Healthcare Services (Central New Mexico)
  • Primecare Medical Network (Southern California (San Bernardino and Riverside Counties))
  • Renaissance Health Network (Southeastern Pennsylvania)
  • Seton Health Alliance (Central Texas (11 county area including Austin))
  • Sharp Healthcare System (San Diego County)
  • Steward Health Care System (Eastern Massachusetts)
  • Trinity Pioneer ACO, LC (Northwest Central Iowa)
  • University of Michigan (Southeastern Michigan)

Initiative Details

The payment models being tested in the first two years of the Pioneer ACO Model are a shared savings payment policy with generally higher levels of shared savings and risk for Pioneer ACOs than levels currently proposed in the Medicare Shared Savings Program. In year three of the program, participating ACOs that have shown a specified level of savings over the first two years will be eligible to move a substantial portion of their payments to a population-based model. These models of payments will also be flexible to accommodate the specific organizational and market conditions in which Pioneer ACOs work.

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