Plan year 2027 · Medicare AdvantageCMS files of Sept. 22 and Oct. 1, 2026
Great Plains Medicare Advantage, 2027
H1787Contract001Plan
HMO I-SNP · special needs plan, institutional · 50 counties in Iowa, North Dakota, South Dakota
Run by Sanford Health Plan (contract H1787), sold as Great Plains Medicare Advantage, owned by Sanford Health
Great Plains Medicare Advantage (H1787-001) costs $5 a month in 2027, down $7 from 2026, with an in-network out-of-pocket limit of $9,850 ($9,250 in 2026). It takes in the members of H8967-001.
What changes from 2026 to 2027?
| What you pay or get | 2026 | 2027 | Change |
|---|---|---|---|
| Monthly premium | $12 | $5 | ▼down $7 |
| In-network out-of-pocket limit | $9,250 | $9,850 | ▲up $600 |
| Drug deductible | $615 | $700 | ▲up $85 |
| Comprehensive dental, yearly limit | $2,000 a year | not offered | ▼dropped |
| Counties served | 31 | 50 | ▲up 19 |
| 11 lines do not change | |||
| Part B premium reduction, monthly | none | none | no change |
| Primary care visit | $0 copay | $0 copay | no change |
| Specialist visit | 20% of the cost | 20% of the cost | no change |
| Emergency room | $90 copay | $90 copay | 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 |
| Eyewear, yearly limit | not offered | not offered | no change |
| Hearing aids, yearly limit for both ears | $2,000 a year | $2,000 a year | no change |
| Over-the-counter items, yearly | not offered | not offered | 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.
How does it compare with plans sold where it is?
In the counties it serves, 7 institutional special needs plans are sold for 2027, this one included. Against the others, 2 plans have a lower out-of-pocket limit, 4 the same. On the premium, 2 plans have a lower premium, 4 a higher one.
Out-of-pocket limits of the 7 institutional special needs 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: $5 a month and $9,850.
Iowa
North Dakota
South Dakota
Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision).
Which 2026 plans move into it, and what changes for their members?
For 2027 this plan takes in the members of 1 other plan, beside its own 305 members. In 2027 it costs $5 a month with a $9,850 limit; each row compares that with the plan its members had in 2026.
| 2026 plan | Members, Sept. 2026 | Members who move | Premium 2026 | Premium change | Limit 2026 | Limit change |
|---|---|---|---|---|---|---|
| Great Plains Medicare AdvantageH8967-001 | 299 | 233 | $41.50 | ▼down $36.50 | $8,315 | ▲up $1,535 |
Source: CMS plan crosswalk from 2026 to 2027 (Oct. 1, 2026); CMS monthly enrollment by plan and by county, September 2026 (CMS hides counts under 11); CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision). Each moving plan's own page lists every line that changes for its members.
Who runs this plan?
- Plan ID
- H1787-001
- Legal name of the contract
- Sanford Health Plan
- Sold as
- Great Plains Medicare Advantage
- Parent company
- Sanford Health
- Plan type
- HMO I-SNP
- 2026 star rating of the contract
- not rated (too little data) overall; health plan not rated, drug plan 3.5 of 5
- Members, September 2026
- 305
- Plan website, as filed with CMS
- www.greatplainsmedicareadvantage.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 Minnehaha, SDWhere most of its members live; premiums and limits side by side
- Every Great Plains Medicare Advantage plan for 2027Its contracts, counties and plans that end
- The other 1 plan of contract H1787Same 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.