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

Cooperative Medicare Advantage, 2027

H7598Contract004Plan

HMO · 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 Medicare Advantage (H7598-004) costs $0 a month in 2027, the same as in 2026, with an in-network out-of-pocket limit of $6,700 ($6,000 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
In-network out-of-pocket limit	$6,000	$6,700	up $700
Specialist visit	$35 copay	$45 copay	up $10
Hospital stay, in network	$295 a day for days 1–6, then $0 a day for days 7–90	$450 a day for days 1–6, then $0 a day for days 7–90	up $775for a 5-day stay
Skilled nursing facility, in network	$0 a day for days 1–20, then $218 a day for days 21–100	$10 a day for days 1–20, then $221 a day for days 21–100	up $230for a 30-day stay
Eyewear, yearly limit	$500 a year	$250 a year	down $250
Hearing aids, yearly limit for both ears	$666.67 a year	$500 a year	down $166.67
Over-the-counter items, yearly	$220 a year	$160 a year	down $60
Drug tier 4, non-preferred drug	50% of the cost	35% of the cost	down 15 points
13 lines do not change
Monthly premium	$0	$0	no change
Drug deductible	$275	$275	no change
Part B premium reduction, monthly	none	none	no change
Primary care visit	$0 copay	$0 copay	no change
Emergency room	$130 copay	$130 copay	no change
Medical deductible, in network	none	none	no change
Ground ambulance, in network	$295 copay	$295 copay	no change
Comprehensive dental, yearly limit	$1,000 a year	$1,000 a year	no change
Counties served	50	50	no change
Drug tier 1, preferred generic	$0	$0	no change
Drug tier 2, generic	$15	$15	no change
Drug tier 3, preferred brand	19% of the cost	19% of the cost	no change
Drug tier 5, specialty tier	29% of the cost	29% of the cost	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	$0	$0
Tier 2	Generic	$15	$15
Tier 3	Preferred Brand	19% of the cost	19% of the cost
Tier 4	Non-Preferred Drug	50% of the cost	35% of the cost
Tier 5	Specialty Tier	29% of the cost	29% 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, 78 plans open to everyone are sold for 2027, this one included. Against the others, 49 plans have a lower out-of-pocket limit, 23 a higher one. On the premium, 32 the same, 45 a higher one.

Out-of-pocket limits of the 78 plans open to everyone

$0 to under $2,0000 plans

$2,000 to under $4,0004 plans

$4,000 to under $6,00036 plans

$6,000 to under $8,000 (this plan)30 plans

$8,000 to $10,0003 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 $6,700.

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: H7598-004
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
2026 star rating of the contract: not rated (too little data) overall; health plan not rated, drug plan not rated
Members, September 2026: 1,016
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 St. Croix, 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.