Joining the ACO

OneCare is a statewide accountable care organization.

A map of Vermont that shows the boundaries of the health service areas in the state, and the locations - marked with pins - of the hospitals that participate in OneCare.

Thank you for your interest in joining the ACO. OneCare brings together health care workers and partners throughout Vermont to improve health outcomes for Vermonters and stabilize costs. We provide data and analytics, payment reform, and network performance management to health care providers.

By working together, providers in OneCare can improve health outcomes for patients in their community while stabilizing costs.

OneCare contracts with Vermont providers to participate in care coordination, quality improvement, and payment reform activities. We invest in primary care to help improve the health of Vermonters and to support preventive care provided by primary care, pediatric, adult, and internal medicine clinicians. 

How to Join the ACO

To join the OneCare provider network, your organization must be contracting with all of the following insurance plans:

  • Vermont Medicaid

  • Commercial Plan programs

Please download the fillable PDF form using the button below. You can enter your answers to the form right on your computer, or you can print it out and write directly on the form. Once you have completed the form, email it to Our team will evaluate your request and reach out to you to discuss next steps.


Please contact the contracting team with any questions.

Phone: 802-847-7220 Option 4 or toll-free at 877-644-7176 Option 4

Who’s in the ACO?

The 2023 OneCare Community


Primary Care Practices

Specialty Care Practices

Federally Qualified Health Centers

Individual Providers*

Skilled Nursing Facilities

Home Health Agencies

Designated Agencies for Mental Health & Substance Use

Area Agencies on Aging

Regional Housing Authorities (SASH)

* As of February 7, 2023; number fluctuates daily/monthly; visit our list of participating providers for up-to-date info