Medicare contract · plan years 2026 and 2027CMS landscape and crosswalk
Wellmark IA & SD, & BCBS MN, MT, NE, Nd,& WY (S5743)
S5743Contract
A company of BCBS MN, MT, NE, ND, WY, Wellmark IA and SD, sold as MedicareBlue Rx
1 plan in 2027 (1 in 2026) · 84,540 members in September 2026
Wellmark IA & SD, & BCBS MN, MT, NE, Nd,& WY is the BCBS MN, MT, NE, ND, WY, Wellmark IA and SD company that holds Medicare contract S5743, sold as MedicareBlue Rx. In 2027 it offers 1 plan (1 in 2026); every one of its 2026 plans continues in 2027. 84,540 people were in its plans in September 2026.
What plans does S5743 offer for 2027?
| Plan | Type | Monthly premium | Out-of-pocket limit | Area | For 2027 |
|---|---|---|---|---|---|
| MedicareBlue Rx StandardS5743-001 | PDP | $179.10 | none (drug plan) | Upper Midwest and Northern Plains (Iowa, Minnesota, Montana, Nebraska, North Dakota, South Dakota, and Wyoming) | 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).
Which employer and union group plans does it hold?
S5743 also holds 2 group plans offered through former employers and unions, with 38,359 members in September 2026 (plans with fewer than 11 not counted). They are not sold to individuals, so the landscape files list no premiums or benefits for them; the employer or union sends their 2027 terms.
| Plan ID | Plan name | Members, Sept. 2026 | 2027 |
|---|---|---|---|
| S5743-802 | Group MedicareBlue Rx | 38,359 | renews |
| S5743-805 | Group MedicareBlue Rx MN | fewer than 11 | renews |
Source: CMS monthly enrollment by plan and by county, September 2026 (CMS hides counts under 11); CMS plan crosswalk from 2026 to 2027 (Oct. 1, 2026).
How did CMS rate it for 2026?
The overall rating is not rated (health plan not rated, drug plan 3.5 of 5). Of its 2 rated measures, the lowest and the highest:
| Lowest-rated measures | Stars |
|---|---|
| MTM Program Completion Rate for CMR | 3 |
| Statin Use in Persons with Diabetes (SUPD) | 4 |
| Highest-rated measures | Stars |
|---|---|
| Statin Use in Persons with Diabetes (SUPD) | 4 |
| MTM Program Completion Rate for CMR | 3 |
Source: CMS Part C and D Star Ratings data tables, 2026 (October 2025).
What else should you check?
- All MedicareBlue Rx 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