The Office "will seek to learn more information about this mass collection of individuals' medical records to ensure that [the Health Insurance Portability and Accountability Act of 1996 or HIPAA] protection is fully implemented," said Office Director Roger Severino in a statement to the publication.
The Department of Health and Human Services did not respond to CNN Business & # 39; s request for comment.
The Journal reported that at least 150 Google employees had access to patient data, but Google said they adhere to regulatory standards, such as HIPAA. Google said that Ascension's data "cannot be used for any purpose other than to provide these services we provide under the agreement, and patient data cannot and will not be combined with Google consumer data."
Shortly after the journal report was published, both companies made allegations.
This is not the first time Google has gained control over the processing of user data.
CNN's Rachel Metz and Jordan Valinsky contributed to this report.