Platforms like Apple Health can aggregate patient health data from connected hospitals if the patient authenticates themselves.

“for example at Apple has something called Apple health and it has this big heart icon on it and if you're one of the 800 hospitals that they've already hooked up with like as general or bring women's and you're a patient there you if you authenticate yourself to it if you give it you're using password it will download into your iPhone your Labs your meds your diagnosis your um uh procedures as well as all the um wearable stuff that your blood pressure that you get as an outpatient”