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See the full Margaret Mary Health breach case facts
MonitoringIndianaFiled May 29, 2026

Understanding your Margaret Mary Health data breach notification letter

If a Margaret Mary Health letter arrived in your mailbox, here is what it means, why you received it, and the free steps you can take right now.

Why you received this letter

Margaret Mary Health, an Indiana healthcare provider, reported a data breach impacting patient information in May 2026. The incident, which occurred in February 2026, exposed various sensitive personal and medical data categories. Individuals should review official notifications and take steps to protect their identities.

Information the filing reports as involved

  • Full Name
  • Date of Birth
  • Social Security Number
  • Medical Record Number
  • Health Insurance ID Number
  • Diagnosis and Treatment Information
  • Prescription Information
  • Provider and Treatment Dates

What to do after the letter

  1. Confirm the notice is genuine

    A legitimate Margaret Mary Health notice references the specific incident reported to the Indiana Attorney General and describes which categories of your information were involved. Compare the letter against the public filing before acting on any links or phone numbers it contains.

  2. Keep the letter — it is your proof of connection

    The notification letter is the document that ties your personal information to this incident. Keep the original and photograph it. If you later request a case review, this letter is the strongest evidence that you were among the affected individuals.

  3. Protect your accounts and credit

    Depending on what was exposed, consider a free credit freeze with all three bureaus, new passwords for reused credentials, and monitoring of financial statements. These steps are free and do not require you to wait for anyone's permission.

  4. Check the record against the public filing

    You can verify the Margaret Mary Health incident against the filing reported to the Indiana Attorney General. This registry summarizes what was filed; it does not provide legal advice.

This page summarizes a data breach reported to the Indiana Attorney General for informational purposes. DataBreachInformation.com is a neutral reference registry and does not provide legal advice.

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