Contact Us

Find the right resource to contact with your questions.

If you have questions about how the plan works, call UnitedHealthcare 1-844-884-1848, 8 am – 8 pm CST, Monday through Friday. TTY users, call 711.

For enrollment and eligibility questions, call MCHCP 1-800-487-0771, 8:30 am – 4:30 pm CST, Monday through Friday. TTY users, call 1-800-735-2966 or 711

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

Appeals address:

Appeals and Grievance Department
P.O. Box 6103, MS CA124-0157
Cypress, CA  90630-0023

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