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Mar 25, 2026
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Cornerstone Healthcare 2.35M Settlement Over December 2023 Data Breach Exposure

Settlement Image

The Cornerstone Healthcare 2.35M Settlement Over December 2023 Data Breach Exposure settlement offers $2.35M in total, with individual payouts of $12.50K to eligible claimants who received a notification letter from cornerstone about the data incident discovered in december 2023. The deadline to file is May 8, 2026. Proof of purchase is required.

Deadline
39 days remaining

Deadline: May 8, 2026

Total Settlement Amount
$2.35M

Total amount allocated for all claims

Individual Payout Range
$12.50K

Estimated amount per eligible claim

Proof of Purchase
Required

Paper filers must include the Notice ID from the eligibility letter. For reimbursement of documented losses, provide third-party supporting records (e.g., receipts, bank/credit card statements) plus an explanation of how each expense is connected to the data incident; self-created documents alone are not sufficient. For a pro rata payment or credit monitoring, select the appropriate option on the claim form.

Settlement Summary

The Cornerstone Healthcare class action stems from a data incident the company discovered in December 2023, after which patients and employees were told their personal information may have been exposed. In healthcare, these events are especially serious because organizations typically store high-value identifiers—such as Social Security numbers, insurance details, and medical-related information—that can fuel identity theft and fraud. According to the settlement terms, people who received a notice letter and appear on Cornerstone’s class list may claim benefits from a $2.35 million fund, including reimbursement for certain documented losses and, for those whose SSNs were potentially affected, two years of three-bureau credit monitoring and identity protection. The lawsuit (Mireles v. Cornerstone Healthcare Group Management Services LLC) was filed on the theory that Cornerstone failed to use reasonable security measures, allowing the breach to occur and putting class members at risk; Cornerstone denies wrongdoing but agreed to settle to avoid the cost and uncertainty of continued litigation. The structure of the settlement reflects a common approach in data-breach cases: higher benefits for an “SSN subclass,” tiered caps for “ordinary” versus “extraordinary” losses, and pro rata cash payments for people without documentation—illustrating how courts and parties try to translate cyber-risk into measurable consumer harm even when direct financial losses vary widely. More broadly, this case fits into a growing wave of healthcare data-breach litigation where plaintiffs allege inadequate safeguards, delayed detection, or insufficient response, and defendants resolve claims through cash funds plus credit monitoring rather than admitting liability. Industry expectations are shaped by rules like HIPAA’s Security Rule (which requires administrative, physical, and technical safeguards to protect electronic protected health information) and, where applicable, state data-breach notification laws; while HIPAA doesn’t provide a direct private right of action, alleged failures to meet these security standards often become the factual backbone for state-law negligence and consumer-protection claims that drive settlements like this one.

Entities Involved

Cornerstone Healthcare Group Management Services LLC
Cornerstone Specialty Hospitals
Cornerstone Data Incident Settlement Administrator
EAG Claims (claims site/administrator platform)
Mireles v. Cornerstone Healthcare Group Management Services LLC
Three-bureau credit monitoring and identity protection services

Related Topics

Cornerstone data breach settlement
Cornerstone Specialty Hospitals class action
Cornerstone Healthcare Group Management Services LLC settlement
Mireles v Cornerstone settlement
data incident December 2023 notice
credit monitoring settlement claim
SSN subclass credit monitoring
identity theft reimbursement claim
patient data breach compensation
employee data breach settlement
privacy lawsuit settlement fund
online claim Cornerstone settlement
May 8 2026 claim deadline
three-bureau credit monitoring $1 million insurance
out-of-pocket loss reimbursement data breach

Eligibility Requirements

  • Received a notification letter from Cornerstone about the data incident discovered in December 2023
  • Is listed on the defendant’s settlement class list of affected individuals
  • To receive SSN-subclass benefits, the individual’s Social Security number was potentially impacted by the incident
  • Submit a valid claim by May 8, 2026 (unless opting out)
  • Do not exclude yourself by the April 8, 2026 opt-out deadline (if you want benefits)

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Important Notice About Filing Claims

Submitting false information in a settlement claim is considered perjury and will result in your claim being rejected. Fraudulent claims harm legitimate class members and may result in legal consequences.

If you are unsure about your eligibility for this settlement, please visit the official settlement administrator’s website using the link provided above. Review the eligibility criteria carefully before submitting a claim.

Class Action Champion is an independent information resource and is not affiliated with any settlement administrator, law firm, or court. We provide settlement information as a service to help connect eligible class members with legitimate settlements.