This is a question for an experienced workers compensation attorney you should be discussing that with your lawyer.

Do people from the Illinois Dept of Insurance/Workers Comp make it habit to show up at your house?

I suspect they are investing you for workers compensation fraud do not speak with them insist on having a lawyer even if you have to go pay for one...

How long can a work comp case take after you retain a lawyer?

Mr . Hoffman 's analysis is spot on. Years ,and years

What can who want a worker do to hire a foreign worker?

This is not a workers comp issue. You should look for a labor lawyer.

an IME is an attempt to through a wrench into your case

Does my employer have to pay vacation time?

My colleagues advice , should be followed with all due haste .

Can I take any legal action?

I have to agree with all my colleagues .You will need to discuss this issue with an experienced Workers Compensation lawyer.ASAP

What can I do

My colleagues have given great advice./ Have you found the right one for you ? Lawyer that is.

My colleagues are 3 for 3 . Just be sure you hire an attorney ,as soon as possible.

I have to agree with mr. Hoffman's assessment. You should be talking to an experienced workers compensation attorney regarding your matter.