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Notification of Data Security Incident

January 26, 2023 - On or around November 28, 2022, Casa Colina, Inc. d/b/a Casa Colina Hospital and Centers for Healthcare, Casa Colina Hospital for Rehabilitative Medicine (“Casa Colina”), discovered certain unusual activity within its computer systems. Upon discovery, Casa Colina immediately secured its network, reset passwords, and engaged a third-party forensic firm to investigate the incident. Following a thorough investigation, Casa Colina determined that a limited amount of patient information may have been impacted in connection with this incident. However, at this time, there is no indication whatsoever that any information has been misused or will be in the future.

The type of information contained within the affected data included patient names, addresses, social security numbers, dates of birth, medical diagnosis and treatment information, health insurance information, and prescription information. Importantly, the information potentially impacted may vary for each individual and may include all, or just one, of the above-listed types of information.

At this time, Casa Colina is not aware of any evidence to suggest that any information has been misused. However, Casa Colina was unable to rule out the possibility that the information could have been accessed. Therefore, in an abundance of caution, Casa Colina has partnered with a third-party computer forensic company to perform a thorough review of the affected information to identify and subsequently notify all potentially affected individuals.

In response to this incident, Casa Colina has implemented additional security measures within its network and facilities and is reviewing its current policies and procedures related to data security. Although Casa Colina has no evidence of actual or attempted misuse of information as a result of this incident, patients are nonetheless encouraged to monitor their account statements and explanation of benefits forms for suspicious activity and to detect errors. Patients may also wish to contact the three major credit agencies to place a fraud alert on their credit report – the credit agencies’ contact information is: Equifax (888-378-4329); TransUnion (833-395-6938); and Experian (888-397-3472).

Casa Colina has established a hotline to answer questions about the incident and to address related concerns. The number for the hotline is (909) 450-0164. You may also contact us by email at, or by writing to 255 East Bonita Ave, Pomona, CA 91767.

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