Find the right resource to contact with your questions.
Medicare Advantage Plan questions
For questions regarding the UnitedHealthcare Group Medicare Advantage (PPO) plans, call 1-877-456-7240, 8 a.m. – 8 p.m., local time, Monday through Friday. TTY users, call 711.
HP Retiree Benefits Questions
For additional questions regarding your HP Retiree Benefits, or any other questions pertaining to enrollment or special situations, call the HP Benefits Center at 1 800 890-3100. Representatives are available Monday through Friday between 6 a.m. and 6 p.m. Pacific Time (8 a.m. and 8 p.m. Central Time)
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.
File appeals and grievances
See what steps you need to take, and download the process for your plan.
Learn more about filing appeals and grievances »
You can provide feedback directly to Medicare about your Medicare health or prescription drug plan.