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ACO Oversight

In 2016, the Green Mountain Care Board was given the authority to develop rules and standards to regulate Accountable Care Organizations (ACOs) through Vermont’s Act 113: ‘An act relating to implementing an all-payer model and oversight of accountable care organizations.’ The GMCB has adopted Rule 5.000: Oversight of Accountable Care Organizations, which establishes standards and processes the GMCB will use to certify ACOs and annually review, modify, and approve their budgets, and mechanisms by which the GMCB will monitor and oversee the activities performance of ACOs.

Read more about ACO budget review and certification in our ACO Oversight explainer document.

Medicare-only ACOs new to Vermont can read more about the budget review process here.

Statute and Rule:


ACO Budget and Certification Guidance and Submissions for Fiscal Year:


      ACO-Related Board Meeting Presentations


ACO Quality Results

ACO Settlement Statements

ACO Compensation Disclosure

Medicaid Advisory Rate Case - OneCare Vermont 

Medicare ACO Agreement - OneCare Vermont

Mathematica Policy Research ACO Analyses