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Mainline Health Systems Data Breach Investigation
Shamis & Gentile P.A., one of the nation's premier class action law firms specializing in data breach cases, is investigating the Mainline Health Systems Inc data breach.
If you were affected by the data breach, your sensitive personally identifiable information may have been exposed, and you may be eligible for compensation.
About Mainline Health Systems Inc
Mainline Health Systems Inc is a healthcare provider based in Southeast Arkansas. Founded in 1978, the organization operates more than 30 locations, including 16 in-school clinics and 13 health clinics, across several counties including Ashley, Bradley, Chicot, Cleveland, Desha, Drew, Grant, and Lincoln.
With 60 providers, Mainline medical services offered include primary care, pediatrics, dental care, chronic care management and behavioral health.
What Happened?
On May 21, 2025, Mainline Health Systems Inc discovered a data breach that occurred on or about April 10, 2024. Exposed patient information included personally identifiable information (PII) and protected health information (PHI).
The cybersecurity incident affected 101,104 individuals in the United States. Mainline began notifying impacted patients on June 20, 2025 and published a Notice of Data Security Incident on its own website.
Exposed Information
- Full name
- Date of birth
- Social Security number
- Driver’s license number
- Financial account number
- Financial account access information
- Payment card number
- Payment card access information
- Medical record number
- Patient ID
- Medicaid number
- Health insurance policy number
- Health insurance group number
- Medical diagnosis information
- Medical treatment procedure information
- Clinical information
- Prescription information
- Provider location
- Provider name
The data breach was also reported to the Maine Attorney General’s office on June 23, 2025.
Your Rights and Next Steps
If you received a notification from Mainline Health Systems Inc about this data breach, you have important rights. You may be entitled to seek compensation for any harm or inconvenience caused by this cybersecurity incident.
- Credit monitoring services: Sign up for free credit monitoring services if offered by Mainline.
- Monitor your accounts carefully: Check your financial statements regularly for suspicious activity or unauthorized transactions. If you notice anything unusual, contact your financial institution immediately.
- Fraud alert and credit reports: A fraud alert informs creditors to take extra steps to verify your identity before opening new accounts in your name. Consumers are also entitled to one free credit report annually from each credit bureau. You can request a fraud alert or a credit report by contacting any one of the three major credit bureaus.
- Seek legal help: Lawyers are ready to help you understand your rights and pursue compensation.
Lawyers are ready to help you understand your options and guide you through the process of joining a class action lawsuit.
You May Be Entitled to Compensation
If your personal and protected health information was exposed in the Mainline Health Systems data breach, you may be eligible for compensation. Lawsuits related to data breaches can provide financial relief for victims, including reimbursement for out-of-pocket expenses, time spent addressing the breach or payment for emotional distress.
Lawyers are ready to help you take the next steps. To find out if you qualify and to join a lawsuit, complete the form below.
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