Flapjack ditty

If I work for the company the provides long care services to my grandfather, can I look at his nurses notes from my company. Even if I don't work at the facility he is in?

My reason for asking is that I work for a facility, a girl who works for the company is reading all the electronic nursing notes and complaining to our supervisor and we are getting our bottoms chewed. She's even asked us to change our charting. I'm ...