MedicarePartD.guide

A non-government resource built from CMS public data

Great Plain Medicare Advantage Gold (HMO I-SNP)

Available to residents of Lyon County, IA for 2026. Contract H1787, plan 002, segment 0.

Plan details

Monthly premium$0.00
Drug deductible$0.00
Plan typeInstitutional SNP
Contract / planH1787-002-0
Offered byGreat Plains Medicare Advantage
Parent organizationSanford Health
Formulary drugs3,478

CMS star ratings

Overall
—
Health plan (Part C)
—
Drug plan (Part D)
3.5 out of 5 stars for Drug plan (Part D)

Drug tiers — preferred pharmacy, initial coverage

TierCost-sharing
Tier 1$0.00
Tier 2$10.00
Tier 3$45.00
Tier 4$95.00
Tier 533%
Tier 6$0.00

Also available in 7 other IA counties