Rejecting my claims

On the 21 January 2015, I sent my claim to be reimbursed. This was rejected due to the date of service not being on the claim. I resubmitted the claim on the 30 January 2015. I was once again informed that it was rejected as date of service was not on the claim. I called and I was informed that the claim should not have been rejected.<br> <br> This is the second time my claim is being rejected for no reason at all. Please reimburse me.<br>