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The HPC Accountable Care Organization (ACO) Certification Program

A program designed to accelerate care delivery transformation in Massachusetts and promote a high quality, efficient health system.

Pursuant to G.L., c. 6D, §15, the HPC is required to "establish a process for certain registered provider organizations to be certified as accountable care organizations." The purpose of the Certification program is to complement existing local and national care transformation and payment reform efforts, validate value-based care, and promote investments by payers in efficient, high-quality, and cost-effective care.

In 2016-2017, the HPC collaborated with MassHealth and other state purchasers to develop a certification program that aligns with payment reform efforts. Detailed information on the 2017 certification standards can be found in the Application Requirements and Platform User Guide (PUG).

A total of 18 ACOs achieved certification under these standards. The first round of ACO Certification marked a significant milestone in the implementation of Chapter 224, making Massachusetts the first state to implement state-wide, all-payer standards for care delivery. Certification is effective for a term of two years, and the HPC certified ACOs in 2017 and 2018.  The HPC’s ACO Certification program complements its PCMH Certification program.  Questions about the ACO Certification program may be sent to

For 2019, the HPC developed updated application requirements and will be engaging stakeholders on the design of a new voluntary Distinction program for certified ACOs. In late 2018 and early 2019, the HPC engaged stakeholders extensively in the process to update standards and received feedback from a variety of respondents, including certified ACOs, public health and advocacy organizations, and professional and trade associations. The HPC’s Care Delivery Transformation Committee presented the final standards at its February 27 meeting, and the HPC will release a detailed Application Requirements and Platform User Guide in early summer 2019.

HPC-Certified ACOs

2017 ACO seal

Atrius Health, Inc.

Baycare Health Partners, Inc., inclusive of Pioneer Valley Accountable Care, LLC; and Baystate Health Care Alliance, LLC

Beth Israel Deaconess Physician Organization, LLC (Beth Israel Deaconess Care Organization)

Boston Accountable Care Organization, Inc.

Cambridge Public Health Commission D/B/A Cambridge Health Alliance

Children’s Medical Center Corporation, inclusive of Children’s Hospital Integrated Care Organization, LLC; and Boston Children’s Health Accountable Care Organization (Boston Children’s Accountable Care Organization)

Community Care Cooperative, Inc.

Lahey Health System, Inc., inclusive of Lahey Clinical Performance Network, LLC; and Lahey Clinical Performance Accountable Care Organization, LLC

The Mercy Hospital, Inc., inclusive of Mercy Health Accountable Care Organization, LLC; and Riverbend Medical Group, Inc.

Partners HealthCare System, Inc., inclusive of Partners HealthCare Accountable Care Organization, LLC

Reliant Medical Group, Inc., inclusive of Fallon 365 Care

Signature Healthcare Corporation D/B/A Signature Healthcare

Southcoast Health System, Inc., inclusive of Southcoast Accountable Care Organization, LLC; and Southcoast Health Network, LLC

Steward Health Care Network, Inc., inclusive of Steward Integrated Care Network, Inc.; and Steward Medicaid Care Network, Inc.

Wellforce, Inc., inclusive of Wellforce Care Plan, LLC; Lowell General Hospital/Lowell General Physician Hospital Organization; Circle Health Alliance, LLC; New England Quality Care Alliance, Inc.; and NEQCA Accountable Care, Inc

ACOs 2018

Health Collaborative of the Berkshires, LLC

Mount Auburn Cambridge Independent Practice Association, Inc.

Merrimack Valley Accountable Care Organization, LLC

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