Mainline Health Systems Data Breach Lawsuit Investigation
Did you receive a letter about the Mainline Health Systems data breach? Over 101,000 patients just learned hackers may have their Social Security numbers and medical records. Act now to protect your identity and learn if you can claim compensation.
File Your Claim Now Download Official Breach Notice (PDF)What Happened?
On May 21, 2025, Mainline Health Systems Inc discovered that an unauthorized party had infiltrated its network around April 10, 2024. The intruder accessed files containing both personally identifiable information (PII) and protected health information (PHI). The breach affected 101,104 individuals nationwide and was reported to the Maine Attorney General on June 23, 2025. Notification letters began going out on June 20, 2025.
What Information Was Exposed?
- Full names & addresses
- Dates of birth
- Social Security numbers
- Driver’s license & other government IDs
- Financial account & payment-card data
- Medical record and patient ID numbers
- Medicaid, health-insurance policy & group numbers
- Medical diagnoses, treatments & prescriptions
- Provider names and locations
Who Is Mainline Health Systems?
Founded in 1978, Mainline Health Systems is a community healthcare provider operating more than 30 clinics—including in-school locations—across Southeast Arkansas counties such as Ashley, Bradley, Chicot, Cleveland, Desha, Drew, Grant, and Lincoln. Its 60 providers offer primary care, pediatrics, dental care, chronic-care management, and behavioral-health services.
Steps to Protect Yourself
Mainline is offering complimentary credit monitoring to patients whose Social Security numbers were exposed. Even if you accept, take these additional precautions:
- Enroll immediately in the free credit monitoring.
- Review bank and credit-card statements for unfamiliar charges.
- Request fraud alerts or freezes with Equifax, Experian, or TransUnion.
- Obtain your free annual credit reports and look for new accounts.
- Watch for phishing emails or calls posing as Mainline or your bank.
Can You File a Data Breach Lawsuit Against Mainline Health Systems?
Victims of a data breach can often pursue compensation for out-of-pocket expenses, lost time, and emotional distress. Because medical and financial data were exposed, Mainline Health Systems may face significant liability under state and federal privacy laws. Class-action investigations are already under way.
Time limits apply. If you received a breach notice, consult legal counsel promptly to preserve your rights.
Take Action Now
Find out if you qualify for financial relief and free identity-theft protection.
File Your Claim NowFrequently Asked Questions
What should I do if Mainline Health Systems lost my Social Security number?
Enroll in the free credit monitoring, place a fraud alert or credit freeze, and monitor all financial statements for suspicious activity.
Is Mainline Health Systems offering free identity theft protection?
Yes. The company’s notice states that patients whose Social Security numbers were exposed are eligible for complimentary credit monitoring services.
How many people are affected by the Mainline Health Systems data breach?
According to filings with the Maine Attorney General, 101,104 individuals nationwide were impacted.
Can I sue Mainline Health Systems for the data breach?
Potentially. A class-action lawsuit investigation is in progress. Compensation may be available for financial losses, time spent, and distress.
What information did hackers obtain from Mainline Health Systems?
Hackers accessed names, addresses, dates of birth, Social Security numbers, medical records, insurance details, and certain financial data.