Missouri Medicare is competitive across major metros (St. Louis, Kansas City, Springfield) with strong regional carriers like BCBS Kansas City and Anthem BCBS Missouri. Missouri also has the unique "anniversary rule" for Medigap switching — a major underused benefit.
Missouri Medicare landscape (2026):
- ~1,275,000 Missouri Medicare beneficiaries
- ~50% on Medicare Advantage; ~50% on Original Medicare
- Top Medicare Advantage carriers: Humana, UnitedHealthcare (AARP), Aetna, Anthem BCBS, Cigna, BCBS Kansas City
- St. Louis and Kansas City metros have 50-65 MA plan options
- Rural Missouri has thinner plan choice (20-30 plans)
Plan recommendations by metro:
St. Louis (St. Louis County):
- Barnes-Jewish Hospital + Washington University Medicine dominant academic network
- Mercy Hospital, SSM Health, St. Luke's competitive networks
- Anthem BCBS strong; Humana competitive on price
Kansas City (Jackson County, MO side):
- University of Kansas Health System (KS side) and Saint Luke's (MO side) primary networks
- BCBS Kansas City is a strong regional carrier with broad market presence
- Coordinated care with Kansas City KS metro
Springfield (Greene County):
- CoxHealth and Mercy Hospital primary networks
- Smaller market — fewer plan choices but BCBS Missouri usually has good fit
Rural Missouri (Ozarks, NW MO):
- Limited specialist availability locally
- Beneficiaries often drive 60+ miles to St. Louis, Kansas City, or Springfield for specialty care
- Original Medicare + Medigap usually better than network-restricted MA
Missouri Medigap — anniversary rule advantage:
Missouri has the Medigap anniversary rule:
- Within 30 days of your policy anniversary date, you can switch to a same-plan-letter Medigap from a different carrier without medical underwriting
- Example: anniversary date is March 15. Window is March 1 - April 14 (30 days before through 30 days after).
- Switch from Aetna Plan G to Mutual of Omaha Plan G if MO Plan G is cheaper
- Most Missourians on Medigap don't know about this
This is a major savings opportunity: if your current Medigap rate has crept up, the anniversary rule gives you an annual chance to shop without health questions. We track your anniversary date and re-shop annually.
Missouri Medicaid:
- Missouri expanded Medicaid effective July 2021 after voters approved Amendment 2 (similar to Oklahoma)
- Adults under 138% FPL qualify
- About 275,000 Missourians gained coverage as a result
- For dual-eligibles, D-SNPs are typically the best path
Missouri-specific considerations:
- Snowbird origin: Missouri retirees commonly winter in Florida (Gulf Coast, Sun City Center area), Arizona, and Texas. Original Medicare + Medigap supports two-state coverage.
- Major academic centers: Missouri has strong specialty medicine destinations — Washington University in St. Louis, University of Missouri-Columbia. Network depth matters.
- Dual-state metros: Kansas City spans MO/KS state line. Plan choice and Medigap pricing differ depending on which side you live on.
- Rural healthcare access: Many Missouri counties have hospital closures, limiting local options. Telehealth coverage in your plan matters.
Top metros we serve:
- [St. Louis Medicare & ACA](/metro/st-louis-mo/)
- [Kansas City Medicare & ACA](/metro/kansas-city-mo/)
What to do next: Call (866) 534-1886. We have licensed advisors covering Missouri. We track Medigap anniversary dates and re-shop annually for our members (rare in the industry — most brokers don't), and we help members navigate the MO/KS Kansas City metro coordination. Free.