A great place to start is CINAHL Nursing and Allied Health Articles.
In the search box, try typing in confidentiality in healthcare. (You could also try confidentiality medical records.)
Scroll down to the Limit Your Results section.
Click in the box next to Full Text.
In the Published Date field, enter the desired date range (ex. 2016-2018).
Prefer a scholarly article? Click on the box next to Peer Reviewed.
Scroll back up and click the orange Search button.