39516761
9781133279013
Optum is the author of 'Paperless Medical Office: Using CareTracker for Billers and Coders Workbook: Using e-Medsys for Billing and Coding : Using CareTracker for Billers and Coders Workbook: Using e-Medsys for Billing and Coding', published 2014 under ISBN 9781133279013 and ISBN 1133279015.
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