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critical severity September 05, 2025 · 1 min read

OAC 550 Owner LLC Data Breach Notice (Massachusetts Attorney General)

If you were named in this filing, here’s what the filing says was exposed, and what to do about it.

OAC 550 Owner LLC notified Massachusetts residents of a data breach in a filing reported to the Massachusetts Office of Consumer Affairs on September 05, 2025, and the notice lists medical records and credit or debit card numbers among the information exposed.

OAC 550 Owner LLC Data Breach Notice (Massachusetts Attorney General)

What to do now

Steps that match what this notice says was exposed

Every step below is free and you do it yourself, and none of it depends on OAC 550 Owner LLC.

  1. Read your next explanation of benefits. Medical identity theft shows up as treatment you did not receive, billed to your policy and written into your medical record. Your insurer can flag the policy, and you can request an accounting of disclosures from the provider named here.

One more, whatever was exposed: a breach notice is a favourite disguise for a phishing email. If a message about this arrives, do not use its links — go to the company’s site yourself, or call the number on your statement.

Report details & sourcing

Severity Critical identifiers that cannot be reissued, alongside documents or accounts that can be misused now
Disclosed September 05, 2025
Last reviewed July 22, 2026
Affected 1
Data exposed Medical recordsCredit or debit card numbers
By GalaxyWarden Threat Research · Editorial & sourcing standards
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
Sources: Massachusetts Office of Consumer Affairs breach notification
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