Mosaic patient information obtained through Oracle Health/Cerner environment

ST. JOSEPH, Mo. (News-Press NOW) -- Mosaic Life Care announced Friday, it will begin mailing notification letters to certain patients whose information was involved in an Oracle Health/Cerner incident.

An unknown party had contacted Mosaic claiming they had patient information in their possession, which Mosaic had verified on April 29, 2025. Mosaic was able to identify the information was likely operating through Oracle Health/Cerner systems related to the data migration services it was performing.

On May 2, 2025, Oracle Health/Cerner was able to confirm that the files were received from its environment and had informed Mosaic that an unknown party accessed Oracle Health/Cerner's migration environment at least as early as Jan. 22, 2025, using compromised credentials.

Mosaic said in a press release, the incident did not involve access to or compromise of any of Mosaic owned, operated or administered systems.

The files involved in the incident contained information which varied by patient.

The information could have included patients' names, and one or more of the following: Social Security numbers, driver's license numbers, dates of birth, treating physicians, dates of services, medication information, insurance information and treatment and/or diagnostic information.

Moasic said it is offering complimentary identity monitoring services to patients, following this act. It also said it has established a dedicated, toll-free call center to help answer questions about the Oracle Health/Cerner incident.

The call center can be reached at 1-855-361-0316, Monday through Friday between 8 a.m. and 8 p.m., excluding major U.S. holidays.