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Provider Digest | Volume 200

Date: 01/21/26

Trillium Provider Listening Session: CCO Transition in Lane County

As PacificSource Community Solutions (PacificSource) prepares to end its role as a coordinated care organization (CCO) in Lane County, Trillium Community Health Plan (Trillium) is committed to working with the Oregon Health Authority (OHA), PacificSource, providers, and community-based organizations to ensure a smooth transition for new members transitioning to our health plan.

To learn more, Trillium invites our Lane County provider partners to attend a virtual Provider Listening Session on Thursday, January 22, 12:00-1:00 p.m.

What’s happening: PacificSource will end its role as a coordinated care organization in Lane County in early 2026. This means Oregon Health Plan (OHP) members currently covered by PacificSource will move to Trillium. Trillium, PacificSource, and OHA are working to ensure a smooth process that supports both members and providers. Learn more about these changes. 

About the listening session: Trillium invites affected Lane County providers to attend a virtual listening session on January 22. This session will provide important information about what to expect, answer your questions, and gather your feedback to support a smooth transition for you and your patients. 

Provider Listening Session (Virtual Only):

For more information about the transition:

We look forward to connecting with you. If you have any questions about the upcoming listening session, please contact us at ORProviderExperience@trilliumchp.com.

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Effective April 1, 2026: New Trillium Medicaid Prior Authorization Requirements

Trillium Community Health Plan (Trillium) requires prior authorization (PA) as a condition of payment for many services. We are committed to delivering cost effective quality care to our members. This effort requires us to ensure that our members receive only treatment that is medically necessary according to current standards of practice. Prior authorization is a process initiated by the physician in which we verify the medical necessity of a treatment in advance using independent objective medical criteria and/or in network utilization, where applicable.

It is the ordering/prescribing provider’s responsibility to determine which specific codes require prior authorization.

Please verify eligibility and benefits prior to rendering services for all members. Payment, regardless of authorization, is contingent on the member’s eligibility at the time service is rendered. NON-PAR PROVIDERS & FACILITIES REQUIRE AUTHORIZATION FOR ALL HMO SERVICES EXCEPT WHERE INDICATED.

Changes may include:

  • Removing PA requirements based on criticality of review and clinical need.
  • Creating a more uniform set of prior authorization requirements across our markets and lines of businesses, including adding and changing some PA requirements, to simplify processes, reduce confusion for providers, and support future efforts to expand real-time responses to requests.

For the complete CPT/HCPCS code listing, please see the Online Prior Authorization Tool on our website.

Please view the following table for prior authorization requirements effective April 1, 2026. 

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Lane County Public Health Advisory: Measles in Linn County

Oregon Health Authority (OHA) and Linn County public health officials are investigating the first cases of measles for 2026 in Linn County. Lane County Public Health is aware that additional cases may occur in Oregon.

Healthcare personnel are on the front line for many infectious disease outbreaks and are well placed to help identify and prevent further spread of measles. One critical action you can take is to screen patients at the time they call for an appointment.

  • If you suspect measles, contact the Lane County Public Health Department immediately at 541-682-4041. (This number is operational 24 hours per day, 365 days per year.)
  • For more information about recognizing a potential case of measles, protecting your staff, and what to do if you suspect your patient has measles, view this Lane County Public Health Alert (PDF).

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Interim Return-to-Work Guidance for Health Care Personnel with Acute Respiratory Illness

Oregon Health Authority (OHA) has released interim return-to-work guidance for health care personnel (HCP) with acute repiratory illness. Evidence-based work exclusion policies for HCP with acute respiratory illness are essential to preventing the transmission of pathogens and protecting both HCP and patients. You can review the interim guidance (PDF) on the OHA website. 

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Trillium Provider Orientation Sessions

Please join our Provider Engagement team for a hosted virtual orientation session for all new contracted providers and currently contracted providers who would like updates for 2026.

All sessions will contain the same content and will cover the following topics important to providers, including:

  • Trillium website – tips and tour of resources  
  • Introduction to provider portals      
  • Credentialing     
  • Claims submission     
  • Prior authorization check tool   
  • Interpreter services     
  • Family planning and women’s healthcare services   
  • Population Health case management services      
  • Behavioral Health services    
  • Free clinical trainings      
  • Access and availability provider appointment standards     
  • How to connect with your dedicated Provider Engagement Account Manager 

Note: If you need accommodations or would like to schedule an individual session for your team/provider group, please contact ORProviderExperience@TrilliumCHP.com.

We look forward to connecting with you!

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