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Overview: The CAHPS for ACOs survey was developed to collect information about patient experience and care received from Accountable Care Organizations (ACOs) participating in the Medicare Shared Savings Program (Shared Savings Program) and the Pioneer ACO Model. ACOs are groups of doctors, hospitals, and other health care providers, who come together voluntarily to give coordinated high quality care to their Medicare patients. The Shared Savings Program rewards ACOs that lower their growth in health care costs while meeting performance standards on quality of care and putting patients first. The CAHPS for ACOs survey was first implemented in 2012. 

About the survey:  The CAHPS for ACOs survey is administered annually to samples of Medicare beneficiaries that receive care from ACOs. The survey uses a mixed mode data collection that includes two survey mailings and follow-up phone calls to beneficiaries that did not respond to the mailed questionnaire.  The survey includes the core questions contained in the CAHPS Clinician & Group Survey (Version 2.0), plus additional questions to measure access to and use of specialist care, experience with care coordination, patient involvement in decision-making, experiences with a health care team, health promotion and patient education, patient functional status, and general health.

Public reporting and policy relevance:  The ACO quality standard is comprised of 4 quality domains that align with the National Quality Strategy and each domain is 25 percent of an ACO’s quality score.  The Patient/Caregiver Experience and Care Coordination/Patient Safety domains align with the National Quality Strategy goal of Better Care for Individuals and the Preventive Health and At-Risk Population domains align with the National Quality Strategy goal of Better Health for Populations.  The 8 scored CAHPS for ACOs Summary Survey Measures (SSMs) comprise the Patient/Caregiver Experience domain.  For more information on the Shared Savings Program quality standard please see the Shared Savings Program quality webpage.

ACO quality scores and financial data are reported on and survey results may be reported on Physician Compare and used in the Physician Value Based Modifier (VM) Program, please visit the VM website for additional information on the Value Modifier. 

For more information, please visit the CAHPS for ACOs website:  You may also contact the CAHPS for ACOs project team at