Numbness in left foot and hand

My symptoms include numbness in the left foot and hand (almost constant). I also have a sore neck and back (mostly on left side). I have a pain that starts in my upper left chest (just under shoulder and travels down my left arm). I also get frequent headaches (daily). Sometimes I have some nausea and I'm filled with anxiety.

I was recently diagnosed with a hiatal hernia and esphogus issues and was told that I will be on the acid blockers for life.

Could all these symptoms be from the gerd/hiatal hernia. I've also thought of some kind of muscle and back/neck issue or heart issues.

I go back to the Dr. in 2 weeks but would like some piece of mind.