Why Would My Health Insurance Send Me A Check? 
Do you remember how much you paid as premium to your insurer ? The check you have received might , in all probability , the excess amount you have been billed for . Now that that they have rectified their mistake by sending you the refund check . Please also check if your insurance company has decided to offer you a claim which might have been assessed in your favor , but that might be the remote reason as insurance companies very seldom decide on this favorably . However , you should check it with your insurer first . 