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MonitoringIndiana AG filing · September 29, 2026

Baltimore Medical System Inc Discloses Patient Data Breach in Indiana

Baltimore Medical System Inc has reported a data breach to Indiana regulators, involving a security incident that occurred in July 2025. This breach exposed a comprehensive range of sensitive patient information, including medical and personal identifiers, which could lead to various forms of fraud for affected individuals.

State
Indiana
Breach date
July 2, 2025
Reported
September 29, 2026

What may have been exposed

  • 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

Baltimore Medical System Inc officially reported a data breach to Indiana authorities on September 29, 2026. This filing indicates that the security incident impacting their systems initially took place on July 2, 2025. The investigation into the full scope of the breach is currently ongoing, with authorities monitoring the situation.

The compromised information includes a wide array of highly sensitive personal and health data. Specifically, the exposed categories are Full Name, Date of Birth, Social Security Number, Medical Record Number, Health Insurance ID Number, Diagnosis and Treatment Information, Prescription Information, and Provider and Treatment Dates.

Exposure of this detailed health and personal information creates significant risks for affected individuals. Malicious actors could use this data for identity theft, to file fraudulent claims for medical services, or to gain unauthorized access to healthcare and prescriptions. The combination of personal identifiers with medical history makes this type of data particularly valuable to criminals.

Individuals who receive a breach notification from Baltimore Medical System Inc should carefully review the information provided. It is generally advised to remain vigilant by monitoring financial accounts and credit reports for any suspicious activity. Placing a fraud alert or freezing credit can also help prevent unauthorized access to financial services.

Additionally, review all Explanation of Benefits (EOB) statements from your health insurer for services you did not receive. Be wary of unsolicited communications requesting personal information, as these could be phishing attempts by those attempting to exploit the breach. These details are derived from official public filings made with regulatory bodies.

What to do if you were affected

Based on the categories of information reported in this filing, these steps can help limit the risk of identity theft and fraud.

  • Freeze your credit

    Place a free credit freeze with Equifax, Experian, and TransUnion. A freeze blocks new accounts from being opened in your name and can be lifted anytime.

  • Check for medical identity theft

    Review the Explanation of Benefits statements from your health insurer for services or claims you never received, which can signal misuse of your medical identity.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

What to know about the Baltimore Medical System Inc data breach

How many people were affected by the Baltimore Medical System Inc data breach, and what was exposed?
The filing does not give a count of affected people and lists the following information 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. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Where can I see the official Baltimore Medical System Inc breach notice?
Baltimore Medical System Inc's report is published by the Indiana Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#baltimore-medical-system-inc-2026 Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the Baltimore Medical System Inc data breach notice?
Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Is the Baltimore Medical System Inc data breach letter legit or a scam?
A notice from Baltimore Medical System Inc in the mail matches the breach Baltimore Medical System Inc reported to the Indiana Attorney General on September 29, 2026. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Baltimore Medical System Inc through a phone number or website you find yourself.
Did Baltimore Medical System Inc offer free credit monitoring?
Look for an enrollment code in your Baltimore Medical System Inc notice. Companies that offer free credit monitoring after a breach usually include it there, with a deadline to activate. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Signing up doesn't waive any legal rights you may have.
Can I sue Baltimore Medical System Inc over the data breach?
It depends on what was exposed, the law in Indiana and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
Is there a Baltimore Medical System Inc data breach class action lawsuit?
Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Baltimore Medical System Inc. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
How much could a Baltimore Medical System Inc data breach settlement or claim be worth?
There is no set amount, and no Baltimore Medical System Inc settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. The filing lists Full Name, Date of Birth, Social Security Number as involved. Keep receipts and records; they're what damages claims are built on.
Do I need a Baltimore Medical System Inc data breach lawyer or attorney?
An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.

Source: Indiana Attorney General filing

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