HEDIS and Performance Measurement

The Healthcare Effectiveness Data and Information Set (HEDIS) is one of health care’s most widely used performance improvement tools. More than 227 million people are enrolled in plans that report HEDIS results. Visitors to this page often check HEDIS FAQs, QRS FAQs, or ask a question through MyNCQA.

HEDIS Measures

HEDIS® includes more than 90 measures across 6 domains of care:

  • Effectiveness of Care.
  • Access/Availability of Care.
  • Experience of Care.
  • Utilization and Risk Adjusted Utilization.
  • Health Plan Descriptive Information.
  • Measures Reported Using Electronic Clinical Data Systems

HEDIS Medicare Health Outcomes Survey

Under contract to CMS, NCQA supports the implementation of the HEDIS Medicare Health Outcomes Survey and the Medicare Health Outcomes Survey – Modified.

HEDIS Data Submission

NCQA collects HEDIS data from health plans and other health care organizations.

Audits protect results’ validity and reliability.

Measurement Certification Programs

NCQA screens, trains and certifies organizations that collect or audit data for health plans and providers.

HEDIS Reports and Research

Accountable health care requires both measurement and transparency. That is why we publish what we learn from HEDIS in many forums and formats.

HEDIS Users Group (HUG)

HUG members are health care professionals who produce, report and interpret HEDIS data. Members can access the latest news about measuring performance and gain insight into how HEDIS evolves.

The Future of HEDIS

HEDIS’ digital future has begun. New digital measures reduce the burden of reporting quality results. Other changes assure that HEDIS will be useful, valid and reliable for a new era of medicine.


Visitors to this page often check HEDIS FAQs or ask a question through MyNCQA.

HEDIS® is a registered trademark of the National Committee for Quality Assurance (NCQA).

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