Plan year 2027 · Medicare AdvantageCMS files of Sept. 22 and Oct. 1, 2026

Cooperative Advantage, 2027

H7598Contract003Plan

HMO D-SNP · special needs plan, dual-eligible · 50 counties in Wisconsin

Run by Group Health Cooperative of Eau Claire (contract H7598), sold as Group Health Cooperative of Eau Claire, owned by Group Health Cooperative of Eau Claire

Renews for 2027

2026 star rating, contract H7598: not rated (too little data)

Cooperative Advantage (H7598-003) costs $0 a month in 2027, down $21.10 from 2026, with an in-network out-of-pocket limit of $9,850 ($9,250 in 2026).

What changes from 2026 to 2027?

The changed lines are marked and come first. In-network amounts; members keep paying the Part B premium unless the plan reduces it.
What you pay or get	2026	2027	Change
Monthly premium	$21.10	$0	down $21.10
In-network out-of-pocket limit	$9,250	$9,850	up $600
Drug deductible	$615	$700	up $85
Eyewear, yearly limit	$500 a year	not offered	dropped
Hearing aids, yearly limit for both ears	$666.67 a year	not offered	dropped
Over-the-counter items, yearly	$1,080 a year	$300 a year	down $780
10 lines do not change
Part B premium reduction, monthly	none	none	no change
Primary care visit	20% of the cost	20% of the cost	no change
Specialist visit	20% of the cost	20% of the cost	no change
Emergency room	20% of the cost	20% of the cost	no change
Medical deductible, in network	none	none	no change
Hospital stay, in network	not filed	not filed	no change
Skilled nursing facility, in network	not filed	not filed	no change
Ground ambulance, in network	20% of the cost	20% of the cost	no change
Comprehensive dental, yearly limit	$1,000 a year	$1,000 a year	no change
Counties served	50	50	no change

Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision); CMS plan benefit package files, 2027 and 2026; CMS plan crosswalk from 2026 to 2027 (Oct. 1, 2026). Plan details can change during the year; confirm on Medicare Plan Finder.

What will prescriptions cost?

Your share for a 30-day supply at a retail pharmacy, as filed with CMS; tiers whose share changes are marked
Tier	What the tier holds	2026	2027
Tier 1	Preferred Generic	not offered	$0
Tier 2	Generic	not offered	25% of the cost
Tier 3	Preferred Brand	not offered	25% of the cost
Tier 4	Non-Preferred Drug	not offered	25% of the cost
Tier 5	Specialty Tier	not offered	25% of the cost

Source: CMS plan benefit package files, 2027 and 2026. Insulin is capped at $35 a month by law. A drug's tier is set by the plan's formulary.

How does it compare with plans sold where it is?

In the counties it serves, 16 dual-eligible special needs plans are sold for 2027, this one included. Against the others, 3 plans have a lower out-of-pocket limit, 12 the same. On the premium, 11 the same, 4 a higher one.

Out-of-pocket limits of the 16 dual-eligible special needs plans

$0 to under $2,0000 plans

$2,000 to under $4,0000 plans

$4,000 to under $6,0002 plans

$6,000 to under $8,0000 plans

$8,000 to $10,000 (this plan)14 plans

Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision).

Where is it sold, and what does it cost there?

The premium and the out-of-pocket limit are the same in all 50 counties: $0 a month and $9,850.

Wisconsin

Adams Ashland Barron Bayfield Buffalo Burnett Chippewa Clark Columbia Crawford Douglas Dunn Eau Claire Florence Forest Grant Green Iowa Iron Jackson Juneau La Crosse Lafayette Langlade Lincoln Marathon Marquette Menominee Monroe Oconto Oneida Pepin Pierce Polk Portage Price Richland Rusk Sauk Sawyer Shawano St. Croix Taylor Trempealeau Vernon Vilas Washburn Waupaca Waushara Wood

Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision).

Who runs this plan?

Plan ID: H7598-003
Legal name of the contract: Group Health Cooperative of Eau Claire
Sold as: Group Health Cooperative of Eau Claire
Parent company: Group Health Cooperative of Eau Claire
Plan type: HMO D-SNP
2026 star rating of the contract: not rated (too little data) overall; health plan not rated, drug plan not rated
Members, September 2026: 356
Plan website, as filed with CMS: www.group-health.com

Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision); CMS 2026 Star Ratings (October 2025); CMS monthly enrollment by plan and by county, September 2026 (CMS hides counts under 11). CMS publishes the 2027 Star Ratings in October 2026.

What else should you check?

Other 2027 plans in Eau Claire, WIWhere most of its members live; premiums and limits side by side
Every Group Health Cooperative of Eau Claire plan for 2027Its contracts, counties and plans that end
The other 1 plan of contract H7598Same company, same contract
Is your prescription covered?Coverage share and tier for 2,259 drugs

Data, not advice. These are the plan's filed amounts, not a quote for you; confirm on Medicare Plan Finder or call the plan before you enroll.