UnitedHealthcare’s IBM Retiree Call Center

Find the right resource to contact with your questions.

Have questions and need to enroll?

For general questions prior to enrollment, call 1-877-852-0641, 8a.m. – 8 p.m.,CST, Monday - Friday. TTY users, call 711.

Already enrolled and have questions?

Call 1-877-852-0641, 8a.m. – 8 p.m., CST Mon - Fri. TTY users, call 711. Contact information can also be found on your member ID card or on the back cover of the Plan Guide.

Report fraud and abuse

If you think you've been a victim of identity theft or fraud, call any of these numbers:

• Call toll-free 1-800-MEDICARE (1-800-633-4227). TTY, call toll-free 1-877-486-2048, 24 hours a day, 7 days a week.
• The Fraud Hotline of the HHS Office of Inspector General, toll-free at 1-800-HHS-TIPS (1-800-447-8477). TTY, call toll-free 1-800-377-4950. You can also email HHSTips@oig.hhs.gov.
• The Federal Trade Commission's ID Theft Hotline toll-free at 1-877-438-4338 to make a report. TTY users, call toll-free 1-866-653-4261.

Learn more about fraud and abuse

File appeals and grievances

See what steps you need to take and download the process form for your plan.

Medical appeals and grievances

Prescription drug appeals and grievances

You can provide feedback directly to Medicare about your Medicare health or prescription drug plan.