Medicare Summary Notice (MSN) Law and Legal Definition
Medicare summary notice refers to a notice that contains information about health insurance claims. MSN is sent to the beneficiary upon filing a part A and part B claim by a doctor for the services offered under the original medicare plan. MSN contains details of services, amount billed provider, amount approved by medicare, amount paid by the medicare, and amount that the beneficiary should pay. Generally, MSN is sent on a quarterly basis. In the case of a beneficiary whose payment is due, MSN will be mailed as and when the claims are processed.