Contact Us

Find the right resource to contact with your questions.

Question about the plan

For general questions about the plan, call 1-866-887-9533, 8 a.m. – 8 p.m. PT, Monday through Friday. TTY users, call 711.


Question about Enrollment

Call UC Retirement Administration Service Center (RASC) at 1-800-888-8267, 8:30 a.m.–4:30 p.m. PT, Monday through Friday.

Questions about Behavioral Health?

For general questions or to get started using your behavioral health benefits, please contact UBH Customer Service at 800-453-8440.


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.

Questions? We're here to help. Find the right resources to contact with your questions.

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Frequently asked questions