Blue Cross Hmo Where Can I Use Blue Cross HMO?

Where can i use Blue Cross HMO? - blue cross hmo

Recently, I received a letter from my parents' health insurance

Since I have never been on the physicians have no idea how and where to use it.

Can someone please clear things out?

Can I to every doctor and use this card for cheaper medical care? or should I ask before you make an appointment?

plz help me out