Federally-Listed PSOs

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.

There are 93 total PSOs listed by AHRQ.

PLEASE NOTE: To search for a PSO by State, use the 2 letter state abbreviation. Example: Kansas = KS

Mid-Atlantic Patient Safety Organization - P0024
Component of Parent Org(s):
  • Maryland Patient Safety Center, Inc.
Effective Date and Time of Initial Listing: December 10, 2008 12:01 AM ET
PSO Mailing Address: 6820 Deerpath Road, Elkridge, MD 21075-6234
PSO Phone Number: 410-540-9210
Point of Contact: Bonnie DiPietro
Point of Contact Phone: 410-540-5095
Point of Contact Email: bdipietro@mapso.org (link is external)
Two Bona Fide Contract Requirement: Next attestation period is 12/10/2020 through 12/09/2022
Disclosures & Finding: None
Subject to FDA-Regulated Reporting Entity Guidance: No