Contact Us

Member Services

Trillium Advantage
UO Riverfront Research Park
1800 Millrace Drive
Eugene, OR 97403

PHONE: 1-844-867-1156
TTY: 711

Office Hours:
From October 1 to February 14, you can call us 7 days a week from 8 a.m. to 8 p.m. From February 15 to September 30, you can call us Monday through Friday from 8 a.m. to 8 p.m

Member Services can assist you with the following:

  • Locating a Primary Care Physician or Specialist
  • Part C (Medical) Coverage Information and Requests
  • Part D (Prescription Drug) Coverage Information and Requests
  • Part C (Medical) Grievances, Complaints or Appeals
  • Part D (Prescription Drug) Grievances, Complaints or Appeals
  • Pharmacy Reimbursement Requests

If you are not a member, but would like more information about joining the plan you can ask to speak with a Medicare Advisor/Sales Agent*.
* If you ask to speak to a Medicare Advisor/Sales Agent you will be directed to a licensed insurance agent/broker.


Last Updated: 09302016
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