TRYNYTYhealth:enablement
MSSP ACO Explorer / States / Massachusetts

Medicare Shared Savings Program ACOs in Massachusetts

In PY 2024, 471,404 Medicare beneficiaries in Massachusetts were assigned to 114 Shared Savings Program ACOs with 11 or more members in the state, 66.5% of the state's assignable fee-for-service beneficiaries. 1 of its 14 counties are fully rural under HRSA's definition and 9 are partly rural.

66.5%ACO penetration, PY 2024
471,404assigned beneficiaries
114ACOs with 11 or more members
1 of 14counties fully rural (HRSA)
Open the County MapAll ACOs

Largest ACOs in Massachusetts, PY 2024

ACOAssigned in stateShare of state ACO membersACO savings rateACO earned savings
Mass General Brigham ACO, LLC130,02827.6%2.4%$39.2M
CareMax National Care Network, LLC45,1459.6%6.4%$49.9M
Beth Israel Deaconess Physician Organization, LLC41,6548.8%0.3%$0
UMASS Memorial Accountable Care Organization, INC.41,3828.8%4.9%$11.9M
Lahey Clinical Performance Accountable Care Organization, LLC37,7268.0%2.0%$0
Atrius Health, Inc.36,5447.8%7.9%$28.8M
Wellforce ACO, LLC35,4677.5%2.3%$9.8M
Pioneer Valley Accountable Care, LLC27,3175.8%3.5%$10.5M
Caravan Health ACO 50 LLC17,0523.6%1.4%$0
Southcoast Accountable Care Organization, LLC14,4733.1%3.3%$4.6M
BMC Integrated Care Services, Inc.9,2452.0%2.3%$2.4M
Mount Auburn Cambridge Independent Practice Association, Inc.8,9231.9%-1.4%$0
Trinity Health Of New England CIN LLC5,1241.1%0.9%$0
OBHS ACO 2, LLC2,9460.6%4.5%$7.4M
C3 MSSP LLC2,4230.5%8.2%$10.4M
Aledade Accountable Care 205, LLC2,1620.5%4.1%$5.1M
BHS Accountable Care LLC1,9680.4%3.4%$3.6M
Lifespan Health Alliance, LLC1,8760.4%4.1%$8.0M
SoNE Health ACO LLC1,3460.3%6.7%$3.1M
LTC ACO, LLC1,1400.2%20.2%$48.7M
EPC ACO, LLC8920.2%16.7%$81.1M
SolutionHealth ACO LLC6760.1%-1.0%-$552K
Value Based Long Term Care LLC4800.1%-1.2%$0
Integra Community Care Network, LLC.4570.1%4.7%$4.9M
PROSPECT HEALTH SERVICES RI, INC2760.1%2.0%$0
PBACO Holding, LLC2640.1%8.9%$107.9M
Dartmouth Health Performance Network, LLC2430.1%1.8%$0
Responsive Care Solutions, LLC1770.0%3.7%$0
Sound Physicians Long Term Care Management, LLC1680.0%20.9%$83.8M
The Physicians Alliance LLC1590.0%2.0%$0
MaineHealth Accountable Care Organization1530.0%3.0%$6.0M
NH-Cares ACO LLC1300.0%1.4%$0
HARTFORD HEALTHCARE ACCOUNTABLE CARE ORGANIZATION, INC.1180.0%7.1%$6.7M
Aledade Accountable Care 101, LLC1070.0%3.1%$8.9M
BEST CARE COLLABORATIVE, LLC910.0%1.4%$3.0M
Trinity Integrated Care, LLC870.0%1.2%$12.8M
Treasure Coast Integrated Healthcare, LLC750.0%4.9%$9.5M
TH-PTN, LLC740.0%3.0%$6.4M
NCH ACO, LLC660.0%-1.9%$0
NYP-CU-WC Integrated Services, LLC600.0%-0.5%$0

Assigned beneficiaries are counted where they live. Savings rate and earned savings are each ACO's overall results, not results within the state. CMS suppresses county counts of 1 to 10; totals count each at the calibrated average shown on the Methodology page.