UnitedHealthcare®
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Contact us

Find the right resource to contact with your questions.


If you have not yet enrolled in a plan, or do not know your group number, contact Customer Service at one of the numbers noted below based on your expected plan type.

Plan types

UnitedHealthcare® Group Medicare Advantage
For benefits and plan administration questions, please call 1-800-457-8506, 8 a.m. - 8 p.m. local time, Monday through Friday. TTY users, please call 711.

UnitedHealthcare® Senior Supplement
Plan materials for Senior Supplement enrollees are not yet available for download. Please contact Customer Service for more information at 1-800-851-3802, 8 a.m. - 8 p.m. local time, Monday through Friday. TTY users, call 711.

UnitedHealthcare® MedicareRx for Groups (PDP)
For benefits and plan administration questions, please call 1-888-556-6648, 8 a.m. - 8 p.m. local time, Monday through Friday. TTY users, call 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.
Learn more about filing appeals and grievances »

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

Questions? We're here to help.
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Last updated: 09.25.2019 at 12:01 AM  Y0066_092519AMR_M