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Q&A: Figuring out who is the primary insurer
Author(s):
Medicare is usually the secondary payer, but not always. Check with the patient to see what other type of coverage is involved.
Q: There is much confusion in our billing office regarding when Medicare is primary or secondary. We constantly have rejections because of this issue. Is there an easy way to determine a patient's Medicare status?
A: The answer to knowing when Medicare is primary or secondary lies in talking to the patient to elicit information and knowing a few guidelines. The Centers for Medicare & Medicaid Services provides a great resource called "Welcome to Medicare Secondary Payer," which can be found at http://www.cms.hhs.gov/COBGeneralInformation/. Basically, there are some standard situations in which Medicare is almost always the secondary payer:
