A woman was emptying out a storage unit at the McAllen, Texas-based storage facility when she found the files, according to the report.
The medical files include medical records and employee files from 2002 to 2011, and contain information such as Social Security numbers and Medicaid and Medicare numbers, according to the report.
The files appear to be records from Xtra Mile Ambulance Service Company, which is no longer in business, according to the report.
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Montana joins state coalition investigating Anthem breach
5 things putting your medical practice at risk for a breach
Patient identity theft jumps 22% in 2014
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