Lansing Urgent Care Data Breach Exposes Social Security Numbers

Lansing Urgent Care, a physician-owned urgent care company serving the greater Lansing, Michigan area, disclosed a data breach involving sensitive patient information.

Lansing Urgent Care posted a notice of the data event on its website.

On Aug. 17, 2026, a ransomware group known as INC Ransom posted a claim on a dark web site stating it had obtained data belonging to Lansing Urgent Care.

Lansing Urgent Care did not discover the incident until Sept. 11, 2026, when it discovered that certain data was accessed and exposed by an unknown third party. Upon initially detecting the incident, the company took steps to confirm that its systems were secure and launched an investigation into the nature and scope of the activity.

The investigation remains ongoing. Lansing Urgent Care has begun a process to identify at-risk data and is conducting a diligent review to determine what information was involved and to whom it belongs.

The types of information that may have been exposed include full name, address, Social Security number, date of birth, health insurance information and medical information, including treatment, diagnosis and prescription information.

Lansing Urgent Care's response to the breach

Lansing Urgent Care encouraged all patients to remain vigilant against incidents of identity theft and fraud by reviewing account statements and monitoring free credit reports for suspicious activity over the next 12 to 24 months.

For questions about the breach, Lansing Urgent Care set up a dedicated phone line at 844-573-1119. Individuals may also contact the company by writing to Lansing Urgent Care at 505 N. Clipper St., Lansing, MI 48912.