Medicare contract · plan years 2026 and 2027CMS landscape and crosswalk
Group Health Cooperative of Eau Claire (H7598)
H7598Contract
A company of Group Health Cooperative of Eau Claire, sold as Group Health Cooperative of Eau Claire
2 plans in 2027 (2 in 2026) · 1,372 members in September 2026
Group Health Cooperative of Eau Claire is the Group Health Cooperative of Eau Claire company that holds Medicare contract H7598, sold as Group Health Cooperative of Eau Claire. In 2027 it offers 2 plans (2 in 2026); every one of its 2026 plans continues in 2027. 1,372 people were in its plans in September 2026.
What plans does H7598 offer for 2027?
| Plan | Type | Monthly premium | Out-of-pocket limit | Area | For 2027 |
|---|---|---|---|---|---|
| Cooperative AdvantageH7598-003 | HMO D-SNP | $0 | $9,850 | 50 counties | renews |
| Cooperative Medicare AdvantageH7598-004 | HMO | $0 | $6,700 | 50 counties | renews |
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 crosswalk from 2026 to 2027 (Oct. 1, 2026).
How did CMS rate it for 2026?
The overall rating is not rated (too little data) (health plan not rated, drug plan not rated). Of its 6 rated measures, the lowest and the highest:
| Lowest-rated measures | Stars |
|---|---|
| Call Center – Foreign Language Interpreter and TTY Availability | 2 |
| Call Center – Foreign Language Interpreter and TTY Availability | 3 |
| Medication Adherence for Hypertension (RAS antagonists) | 3 |
| Medication Adherence for Cholesterol (Statins) | 4 |
| Highest-rated measures | Stars |
|---|---|
| MPF Price Accuracy | 5 |
| Special Needs Plan (SNP) Care Management | 5 |
| Medication Adherence for Cholesterol (Statins) | 4 |
| Medication Adherence for Hypertension (RAS antagonists) | 3 |
Source: CMS Part C and D Star Ratings data tables, 2026 (October 2025).
What else should you check?
- All Group Health Cooperative of Eau Claire plansEvery contract of the brand
- Star ratings of every contractThe 2026 ratings, and 2027 when CMS publishes them
- Find a plan by its IDFrom the card or a letter