Claims generated by AC are not clean and ready to submit. EZclaims lets us scrub and prepare them to payor specifications. Also, OA requires the patients data to be entered in to their system manually to prepare and file claims. I am not sure how good their practice management module i! We have been using EZclaims for more than 15 year and are comfortable with the program. We have 15 years of data in EZclaim format and are used to generating reports and statements.