OAS CAHPS Public Reporting Results Refreshed on (Q4, 2018 – Q3, 2019)
folder_openPublic Reportingcalendar_todayPosted April 22, 2020

Outpatient and Ambulatory Surgery CAHPS (OAS CAHPS) Survey results based on responses from patients who received an outpatient surgery or procedure between October 2018 and September 2019 are now publicly available in three locations:

  • on (by clicking on "Hospital Compare data" box [under "Explore & download data" header] and then searching the term "OAS CAHPS");
  • through Hospital Compare (direct link to OAS CAHPS data: ); and
  • via downloadable databases on

You can access OAS CAHPS Survey results at the facility, state and national levels on any of the locations provided above.

As a reminder, OAS CAHPS Survey results are updated each calendar year quarter, as shown in Table 14.2 of the OAS CAHPS Survey Protocols and Guidelines Manual, Version 4.0, available here.

For more information about how the data were analyzed and for the patient-mix adjustment factors that were used to statistically adjust the results that are currently being publicly reported, click on "Patient Mix Adjustment Factors" in the Quick Links box on the Home page.

If you have any questions, please contact the OAS CAHPS Survey Coordination Team via e-mail at or call toll-free (866) 590-7468.