Contact Details

For Questions by Telephone
OHP (Medicaid):
(541) 485-2155 Local
(541) 431-1901 TTY
(877) 600-5472 Toll Free
(877) 600-5473 Toll Free TTY
(541) 485-0737 Fax

Advantage (Medicare):
(844) 861-1156 Toll Free
                   711 TTY
(855) 350-4799 Fax

Marketplace (Health and Dental):
(541) 431-1950 Local
(541) 431-1951 TTY
(800) 910-3906 Toll Free
(866) 279-9750 Toll Free TTY
(541) 984-5685 Fax

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 | (541) 338-2936

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.

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