The ARCH HEALTH PARTNERS, INC. D/B/A PALOMAR HEALTH MEDICAL GROUP Data Breach: Reported Filing Facts

Arch Health Partners, Inc., doing business as Palomar Health Medical Group, is a healthcare provider that manages comprehensive patient care services. Given the nature of their operations, the organization collects and maintains sensitive personal health information, including medical records, billing details, and insurance data necessary for treatment and administrative purposes. In 2025, the company officially reported a data security incident to the Illinois Attorney General, confirming that unauthorized access to their systems occurred. If you have received a data breach notification letter from Palomar Health Medical Group, it indicates that your personal or protected health information may have been compromised during this event. This notice is intended to inform you of the incident and provide guidance on the steps you can take to protect your identity and medical privacy.

State: Illinois
Reported: September 4, 2025

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

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.

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