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Contact Form

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Contact Details

By Telephone
For OHP (Medicaid) questions call: Local (541) 485-2155
TTY (877) 600-54731
Toll Free TTY (877) 600-5472
Fax (541) 485-0737

For all other products and questions call: Local (541) 431-1950
TTY (541) 431-1951
Toll Free (800) 910-3906
Toll Free TTY (866) 279-9750
Fax (541) 984-5685

In Person
UO Riverfront Research Park
1800 Millrace Drive Eugene, Oregon 97403

By Mail
Trillium Community Health Plan
P.O. Box 11756 Eugene, Oregon 97440-3956

Confidential Complaint Hotline:
(877) 367-1332

Trillium providers, vendors, staff and patients have the right to report concerns and complaints about Trillium. A hotline is available for making such complaints. No Trillium board member, shareholder, officer, director, staff person, subcontractor or participating provider may take any action against any participating provider, vendor, staff person or patient (including a patient's representatives or caregivers) for using the hotline or filing a complaint by other means.