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Annual Complaint Data Reports
The following documents are annual Complaint Data Reports with analyses by the Office of the Patient Advocate (OPA) based on data from California health care consumer assistance centers.
Measurement Year 2020
(Released May 2022) – This multi-departmental report provides information on health care complaints resolved in 2020. This report is the first released by the Center for Data Insights and Innovation (CDII) following the transition of OPA’s programs to CDII.
- Report to the Legislature for Measurement Year 2020 (PDF)
- Data Tables from the Measurement Year 2020 Report (PDF)
- Methodology from the Measurement Year 2020 Report (PDF)
- Glossary from the Measurement Year 2020 Report (PDF)
Measurement Year 2019
(Released October 2021) – This multi-departmental report provides information on health care complaints resolved in 2019.
- Report to the Legislature for Measurement Year 2019 (PDF)
- Data Tables from the Measurement Year 2019 Report (PDF)
- Methodology from the Measurement Year 2019 Report (PDF)
- Glossary from the Measurement Year 2019 Report (PDF)
Measurement Year 2018
(Released August 2020) – This multi-departmental report provides information on health care complaints resolved in 2018.
- Report to the Legislature for Measurement Year 2018 (PDF)
- Data Tables from the Measurement Year 2018 Report (PDF)
- Methodology from the Measurement Year 2018 Report (PDF)
- Glossary from the Measurement Year 2018 Report (PDF)
Measurement Year 2017
(Released March 2019) – This multi-departmental report provides information on health care complaints resolved in 2017.
- Report to the Legislature for Measurement Year 2017 (PDF)
- Data Tables from the Measurement Year 2017 Report (PDF)
- Methodology from the Measurement Year 2017 Report (PDF)
- Glossary from the Measurement Year 2017 Report (PDF)
Measurement Year 2016
(Released April 2018) – This third-year, multi-departmental report provides information on health care complaints resolved in 2016.
- Report to the Legislature for Measurement Year 2016 (PDF)
- Data Tables from the Measurement Year 2016 Report (PDF)
- Methodology from the Measurement Year 2016 Report (PDF)
Measurement Year 2015
(Released January 2017) – This second-year, multi-departmental report provides information on health care complaints resolved in 2015.
- Report to the Legislature for Measurement Year 2015 (PDF)
- Data Tables from the Measurement Year 2015 Report
Measurement Year 2014
(Released May 2016) – This baseline report is the first time in the state’s history that a multi-departmental report on health care complaint data has been issued.