Rejection: 043:Billing provider Tax ID/EIN submitted does not match BCBSF files. Correct and resubmit the claim or complete and submit the form located HERE to update BCBSF prov
What happened: The provider's Tax ID is not loaded into the payer's system.
Resolution: Need to call the following number to update the provider information in the payer's system: 800.727.2227, opt 5, opt 2.
