Below is a list of PSOs that are currently listed by AHRQ. A health care provider can only obtain the confidentiality and privilege protections of the Patient Safety Act by working with a Federally-listed PSO.
Use the categories on the left to filter the list of PSOs or search a PSO name.
Note: AHRQ updates the PSO information contained within the directories weekly, as needed; changes are made when there are newly listed PSOs and/or when existing information requires revision. Changes that would otherwise be effective on a weekend day or holiday will be effective on the next business day. Information contained in the directories is based on attestations that the PSOs provide.
To update PSO contact information, please use the Change of Listing Information form; to update profile information, please go to the PSO PPC Web site.
The "Listed PSO" logo is available for use by PSOs that are currently listed by the HHS Secretary. Health care providers considering working with a PSO are advised to review this directory to ensure that the entity's PSO certifications have been accepted in accordance with Section 3.104(a) of the Patient Safety Rule.
The “AHRQ Common Formats” logo may be displayed by any organization that is using the Common Formats developed by AHRQ. Please note that an entity does not need to be listed as a PSO to use the Common Formats and thus display the logo. The Formats are available in the public domain to facilitate their widespread adoption and implementation. Entities that display the logo should use the Common Formats as a whole; however, entities that have a limited focus may display the logo when using Common Formats that pertain only to that area.