Blog | Marie Matteson, MS

Notes on stress, healthcare systems, medical billing, and what is really going on underneath the problem.

Written by Marie Matteson, MS

Office Ally Troubleshooting Tips That Stop Claim Denials

Marie T Matteson MS

Published on: 15/10/2026

Wrong birth dates, invisible extra spaces, and corrected claims bouncing as duplicates. Five Office Ally tools that catch billing problems before the payer does, and how to use each one.

Office Allymedical billingclaim denialsclaim rejectionsCMS 1500eligibility

Procedure Modifier Combination Is Not Compatible: How to Fix It in Office Ally

Marie T Matteson MS

Published on: 24/08/2026

The EOB says the procedure modifier combination is not compatible and the balance was already written off. Here is the correct order to reverse the write off, add the 25 modifier and resubmit the corrected claim in Office Ally.

Office Allymedical billingclaim denialsEOBmodifier 25Practice Matebilling mistakes