My practice was recently credentialed with Medicare and I have two patients scheduled for the following week. This will be our first time billing Medicare and I am sure some things may be different. One of our patients provided us with a Medicare card that has the MBI on it and a AARP Medicare Supplement Plan that has a Membership ID on it. Which one should I be using when I file the claim? Also, the AARP Medicare Supplement Plan has a Payer ID and the Medicare card does not. Where would I find the Payer ID for Medicare other than calling them to find ou?
Thank you in advance,
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