Contact us

Have a question or concern?

Call us

For benefit questions or to learn more about the Aetna® Medicare Advantage plan for State of Illinois retirees, call Aetna Member Services:

1-855-223-4807 (TTY: 711)
Monday to Friday
8 AM to 8 PM CT.
 

Send us mail

Would you rather reach us by mail? Just send your letters to:

Aetna Medicare

P.O. Box 981106

El Paso, TX 79998-1106

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Looking for something else?

Below is information members often look for when they visit our site. If you still don’t see the information you need below, try clicking the search tool. It’s in the top right corner of the webpage.

Enroll

If you’re ready to join the State of Illinois Aetna Medicare plan, go to mybenefits.illinois.gov or call MyBenefits Service Center at 1-844-251-1777 or 1-844-251-1778 (TTY: 711), Monday to Friday 8 AM to 6 PM CT.

Change address or phone number

If you’re moving or getting a new phone number, contact the State of Illinois MyBenefits Service Center at 1-844-251-1777 or 1-844-251-1778 (TTY: 711), Monday to Friday, 8 AM to 6 PM CT.

Fraud and abuse

Medicare fraud and abuse affect all of us. We can help you understand what fraud and abuse mean, and what you should do next.
Find out more

Grievances

You can file a complaint (called a grievance) about us, a network provider or the quality of your care. You can file your grievance over the phone or online.
Find out more