went back to the doctor today....

I know what you are going through earthmover
I got cortisone shots for to many years and that stuff did more harm then good in the long run, oh yes it made it feel better after a couple days and would be ok for a few weeks till I learned that the stuff eats up your bone mas if you have a bone disorder from contaminants I got into as a child.
It's harder for a good hard worker to stop working then it is a lazy @$$ to get up and do some work.
Sounds like they did allot of exploring in your shoulder
I hope you get your insurance thing fixed and things move forward for you.
In the mean time keep your strong chin up 8) and I know it is aggravating and it makes you mad, it does me some time's and I find myself hard to live with some times but it get's better when I think of the folks I see that are worse off then me. Hobby Hobby Hobby is a life saver and knowing I am helping here at home doing house chores that I can do to be proud of.