At Trillium Community Health Plan (Trillium), we know all healthcare is local. Our Trillium staff are proud members of the co ... mmunities we serve and we’re dedicated to transforming the lives of our members through programs and services that focus on prevention, health equity, and access to high-quality care. Trillium serves Oregon Health Plan members through the Coordinated Care Organization (CCO) model, connecting members to a network of healthcare providers for medical, dental, behavioral and mental health services. We also offer Trillium Advantage, a Medicare Advantage plan with prescription drug coverage. Trillium Advantage is available to those who qualify for Medicaid through the state of Oregon and are eligible for Medicare. Our 56,000 members live in Lane, Western Douglas and Western Linn counties, and in Clackamas, Washington and Multnomah counties. At Trillium, our focus is on whole health and active local engagement to help all people live a healthier life. Trillium is a wholly-owned subsidiary of Centene Corporation. To learn more about our offerings, please contact us at 1-877-600-5472 (TTY: 711) or visit our website at www.TrilliumOHP.com. Follow us on Facebook at facebook.com/TrilliumCHP or Twitter @trilliumchp. read more