Below is a sample of the top portion of a Medicare Summary Notice (MSN) with explanations of the information you will find in each section. The top portion of the MSN is the same for both Part A and B services.

Remember that the MSN is not a bill. Do not send money to anyone in response to the MSN.

1. Date: Date MSN is sent.

2. Customer Service Information: Who to contact with MSN questions. Give your Medicare number (3), date of the MSN (1), and date of service you have a question about (9).

3. Medicare Number: The number on your Medicare card.

4. Name and Address: If incorrect, contact the Social Security Administration at 1-800-772-1213 immediately. If you have Railroad Retirement Board benefits, call your local RRB office or 1-800-808-0772.

5. Be Informed: Messages about ways to protect yourself and Medicare from fraud and abuse.