Mass General Brigham ACO, LLC

Boston, MA · serves 7 states, 111 counties
ENHANCED · Two-Sided · agreement period 2 · A4641

Independent ACO

Performance at a glance

Spend under management

$2.2B

Savings rate

2.3%

Earned shared savings

$38M

Earned / physician

$3,413

Assigned beneficiaries

147,747

Quality score

82.8

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Multi-year trend

Savings rate against the hospital-led peer median, 2021–2024.

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Beneficiary profile

Care acuity (HCC)

1.044

Dual-eligible

11.9%

Age 65+

93%

Per-capita spend

$15,000

Peer context

Ranks 123rd of 202 hospital-led ACOs nationally by savings rate.

BMC Integrated Care Services, Inc. 2.3%Lahey Clinical Performance Accountable Care Organization, LLC 2.0%Pioneer Valley Accountable Care, LLC 3.5%Beth Israel Deaconess Physician Organization, LLC 0.3%UMASS Memorial Accountable Care Organization, INC. 4.9%

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Source: CMS Medicare Shared Savings Program Financial & Quality Public Use Files (PY2021–2024), the SSP ACO roster, county-assignment PUF, and public-reporting distribution disclosures. Figures are ACO-level, de-identified, and unaudited. Earned savings reflect the sharing rate and quality gate. © Healthcare DealHub.