How Washington State All-Payer Claims Database (WA-APCD) data powers change
See how researchers, policymakers, and organizations are using Washington’s comprehensive claims data to improve care and inform decisions
See how different organizations have used data from the WA-APCD to improve Washingtonians’ health.
Compare the cost and quality across nine Accountable Communities of Health (ACH) in Washington.
Learn more about health care services provided in Washington, including outcomes and associated costs.
What Is the WA-APCD?
We are the state’s most complete source of health and dental insurance data, representing nearly 70 percent of the population.
The database contains claims data from more than 30 commercial health care payers, Apple Health (Medicaid) and its five managed care plans, as well as Medicare fee-for-service (FFS) and Medicare Advantage -- the health maintenance organization (HMO) for Medicare members.
Need Access to WA-APCD Data?
We offer four types of data products to qualified applicants, serving a wide array of data needs from small rural practices and non-profits to researchers at large universities and state agencies.
Learn more about how much data is available, which health plans are providing it, and how the data has evolved over time.