Try to get the name of the surgeon they are sending you to & Google/search to find out his ratings & specialties.

Do you have a wc atty on your side - a very good one ?

Can you tell a little more about the injury or list your symptoms, we might be able to suggest other options? not too many names, dates or details since you have an active claim.

Do you know if you have vascular (arterial or venous) - or nerve TOS?
or more one than the other?

You don't have to do any surgery that a wc doctor suggests and especially if not a expert surgeon.