Rejection: SUBSCRIBER PRIMARY IDENTIFIER- INVALID; MUST BE 9 NUMERIC CHARACTERS FOR PAYER
What happened: Claims were more than likely supposed to go to Medicare IL.
Resolution: The Office Ally payer ID for Medicare IL is: MCRIL. Payer IDs can vary from what the payer has in their system. For claims to go to Medicare IL, need to be sent to MCRIL (see attached picture below).
