Regulator-posted notice

Breach notice filed by Centers for Medicare & Medicaid Services (April 2023)

Organization named: Centers for Medicare & Medicaid Services Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Unauthorized Access/Disclosure

What the sources say

HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice

Posted on the HHS Office for Civil Rights breach portal with a submission date of April 7, 2023.

Organization as reported: Centers for Medicare & Medicaid Services, MD
Entity type as reported: Health Plan
Category as reported: Unauthorized Access/Disclosure
Location of information as reported: Paper/Films
Submission date: April 7, 2023
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 10810, row:1949)
Archived copy: Held in the private archive (provenance)

The covered entity (CE), Centers for Medicare & Medicaid Services, reported that an employee of its business associate (BA) inadvertently mailed the protected health information (PHI) of 10,011 individuals to the wrong recipients. The PHI involved included names, addresses, claims information, diagnoses, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the BA implemented additional administrative and technical safeguards to better protect PHI.
The source's own words, from the revision above.

Figures, per source

10,011 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date April 7, 2023, revision observed 2026-10-18.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

2023-04-07Submission date (HHS Office for Civil Rights breach portal)
2026-10-18Observed by BreachRecords (revision 10810)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Centers for Medicare & Medicaid Services Named as the covered entity Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

3dbc27dd5742e041cc1e7fe18cc669e2901fbd3b86b7007ed27948ff4d406e1f
text/csv, 5,530,996 bytes, retrieved from HHS Office for Civil Rights breach portal, 2026-10-18 16:15 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

Request a correction

A record that disagrees with its source, names the wrong organization or duplicates another is corrected after review. This form is about Breach notice filed by Centers for Medicare & Medicaid Services (April 2023). We acknowledge every request within two business days. We reply by email.

The form is being set up. Check back soon.