Google's health care ambitions now involve patient data

Google is working with large health care system Ascension, the latest foray into the health industry by the tech giant

The partnership is intended to use artificial intelligence to find patterns that could help doctors, but some are concerned about privacy and protecting patients' sensitive health information.

The two companies say acknowledged privacy concerns, but say the agreement is compliant with federal law and that health data will be kept secure.

The deal also means Ascension, which operates health centers in 21 states, will move its systems to Google's cloud computing platform.