What is the mailing address to submit CMS form 1500?

To submit CMS Form 1500, you should send it to the appropriate address specified by the Medicare Administrative Contractor (MAC) for your region. Typically, this address can be found on the MAC's website or in the Medicare claims processing guidelines. If you are submitting to a private payer, check their specific instructions for the correct mailing address. Always ensure that you are using the most current information, as addresses may change.