Medicare Advantage insurer · Part of Centene Corporation · 2026
Wellcare By Trillium
According to the Centers for Medicare & Medicaid Services (CMS) 2026 plan-year files, Wellcare By Trillium markets 3 Medicare Advantage plans across 1 state; average CMS star rating 3.0★.
- 3
- Plans offered
- 3.0★
- Avg: Average
- 1
- States covered
- 0
- 5-star plans
The short answer
Wellcare By Trillium ranks #183 of 288 Medicare Advantage insurers by plan inventory (3 plans) but #185 by average CMS star (3.00★).
- #183
- inventory rank
- 3
- plans offered
- #185
- avg star rank
- 3.00★
- mean CMS rating
CMS assigns star ratings at the contract level; inventory breadth and average quality move on different axes.
Lower average CMS star band
Wellcare By Trillium in the lower-star third
Wellcare By Trillium ranks #185 of 212 rated insurers by mean CMS star (3.00★) - bottom-third quality band vs the rated corpus. Wellcare By Trillium's mean CMS star 3.00★ (PRE-BONUS) sits in the lower-star third of rated insurers (#185 of 212). Inside the Centene Corporation family. Product mix HMO POS; 0 plans at 5 stars. Enrollment is not disclosed in the public file for this plan year. According to PlainMedicare's CMS plan-year corpus ranking, Wellcare By Trillium ranks #183 of 288 Medicare Advantage insurers by plan count and #185 of 212 by average CMS star rating. Figures are CMS public-use data, informational only, not counseling.
PRE-BONUS · ONE-STATE · CONTRACT-MID · HMO-BOOK · plans #183/288 · stars #185/212
States Covered
Where Wellcare By Trillium sits on CMS quality
Average CMS star rating across the insurer's own Medicare Advantage plans, against every rated insurer in the CMS file
3★ Top 78% higher than 22% of 212 Medicare Advantage insurers
Each bar is a band; taller bars hold more Medicare Advantage insurers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source CMS Medicare Advantage Star Ratings 2026 · 2026-09-01
Plans Offered by Wellcare By Trillium
| Plan Name | Type | State | Stars | Action |
|---|---|---|---|---|
| TRILLIUM COMMUNITY HEALTH PLAN, INC. | HMO POS | OR | 3.0 | View details → |
| TRILLIUM COMMUNITY HEALTH PLAN, INC. | HMO POS | OR | 3.0 | View details → |
| TRILLIUM COMMUNITY HEALTH PLAN, INC. | HMO POS | OR | 3.0 | View details → |
Read our methodology - how this data is sourced, computed, and verified.
Read with Wellcare By Trillium
ABS(plans_count) peers first, then an ABS(avg_star) quality pole and a stamp-branched guide, not a fixed Related strip. This page stamps PRE-BONUS · ONE-STATE · CONTRACT-MID · HMO-BOOK.
ABS(plans_count) peer at 3 MA plans (Δ 0 wider vs Wellcare By Trillium); UNRATED · REGIONAL vs this page's PRE-BONUS · ONE-STATE · CONTRACT-MID.
ABS(plans_count) peer at 3 MA plans (Δ 0 wider vs Wellcare By Trillium); TOP-TIER · ONE-STATE vs this page's PRE-BONUS · ONE-STATE · CONTRACT-MID.
ABS(plans_count) peer at 3 MA plans (Δ 0 wider vs Wellcare By Trillium); BONUS-TIER · ONE-STATE vs this page's PRE-BONUS · ONE-STATE · CONTRACT-MID.
ABS(plans_count) peer at 3 MA plans (Δ 0 wider vs Wellcare By Trillium); BONUS-TIER · ONE-STATE vs this page's PRE-BONUS · ONE-STATE · CONTRACT-MID.
ABS(avg_star) pole at 3.0★ (Δ 0.0 vs Wellcare By Trillium's PRE-BONUS): CONTRACT-WIDE · ONE-STATE.
Wellcare By Trillium's PRE-BONUS mean sits under the 4.0★ Quality Bonus Payment line; star measure domains matter before you weigh HMO-BOOK networks.
Using Wellcare By Trillium's plan lineup
Star rating and plan availability, not the insurer's size alone.
- Wellcare By Trillium ranks 185 of 212 insurers by average CMS star rating (3.0★ average) - compare against the plans available in your own county. How star ratings work
- Weigh total cost, not just premium: compare plan details using Medicare.gov before you enroll. Medicare Plan Compare
- Check that your doctors and drugs are in-network before you enroll, and confirm the plan on Medicare.gov. Choosing a plan
Insurer-level averages combine every plan the organization files with CMS; the plan sold in your county may differ.
PlainMedicare is rendered directly from CMS Medicare Advantage and Part D public files, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a correction. Data current as of 2026-09-01.