Medicare plan changes in Missouri for 2027
Across 115 counties in Missouri, the 2027 CMS file lists 2,195 county listings of Medicare Advantage plans with drug coverage, compared with 2,193 in 2026. By our count, 0 counties have none in 2027, including counties that do not appear in the CMS file at all.
Before you choose a plan
Compare plans for your ZIP code, drugs and doctors on the official Medicare Plan Finder, or call 1-800-MEDICARE (1-800-633-4227). Free, unbiased counselling is available from your State Health Insurance Assistance Program at shiphelp.org.
By county
| County | 2026 plans | 2027 plans | Change | Companies leaving |
|---|---|---|---|---|
| Adair County | 11 | 10 | -1 | None |
| Andrew County | 15 | 12 | -3 | Health Care Service Corporation |
| Atchison County | 13 | 13 | +0 | None |
| Audrain County | 22 | 21 | -1 | None |
| Barry County | 29 | 29 | +0 | None |
| Barton County | 21 | 22 | +1 | None |
| Bates County | 17 | 16 | -1 | Health Care Service Corporation |
| Benton County | 14 | 16 | +2 | None |
| Bollinger County | 14 | 15 | +1 | None |
| Boone County | 25 | 22 | -3 | None |
| Buchanan County | 10 | 7 | -3 | None |
| Butler County | 10 | 10 | +0 | None |
| Caldwell County | 13 | 16 | +3 | None |
| Callaway County | 25 | 24 | -1 | None |
| Camden County | 15 | 14 | -1 | None |
| Cape Girardeau County | 15 | 15 | +0 | None |
| Carroll County | 14 | 12 | -2 | Health Care Service Corporation |
| Carter County | 12 | 16 | +4 | None |
| Cass County | 23 | 22 | -1 | Health Care Service Corporation |
| Cedar County | 23 | 21 | -2 | None |
| Chariton County | 13 | 20 | +7 | None |
| Christian County | 30 | 30 | +0 | None |
| Clark County | 6 | 3 | -3 | None |
| Clay County | 28 | 28 | +0 | Health Care Service Corporation |
| Clinton County | 15 | 18 | +3 | None |
| Cole County | 17 | 16 | -1 | None |
| Cooper County | 16 | 15 | -1 | None |
| Crawford County | 38 | 38 | +0 | None |
| Dade County | 25 | 26 | +1 | None |
| Dallas County | 30 | 30 | +0 | None |
| Daviess County | 12 | 12 | +0 | None |
| DeKalb County | 16 | 13 | -3 | Health Care Service Corporation |
| Dent County | 21 | 24 | +3 | None |
| Douglas County | 25 | 25 | +0 | None |
| Dunklin County | 5 | 7 | +2 | None |
| Franklin County | 31 | 33 | +2 | None |
| Gasconade County | 26 | 27 | +1 | None |
| Gentry County | 11 | 11 | +0 | None |
| Greene County | 30 | 30 | +0 | None |
| Grundy County | 11 | 13 | +2 | None |
| Harrison County | 9 | 8 | -1 | None |
| Henry County | 17 | 16 | -1 | Health Care Service Corporation |
| Hickory County | 24 | 21 | -3 | None |
| Holt County | 16 | 13 | -3 | Health Care Service Corporation |
| Howard County | 14 | 13 | -1 | None |
| Howell County | 21 | 23 | +2 | None |
| Iron County | 19 | 21 | +2 | None |
| Jackson County | 28 | 28 | +0 | Health Care Service Corporation |
| Jasper County | 25 | 25 | +0 | None |
| Jefferson County | 38 | 38 | +0 | None |
| Johnson County | 14 | 15 | +1 | Health Care Service Corporation |
| Knox County | 12 | 11 | -1 | None |
| Laclede County | 25 | 25 | +0 | None |
| Lafayette County | 26 | 26 | +0 | Health Care Service Corporation |
| Lawrence County | 29 | 29 | +0 | None |
| Lewis County | 12 | 11 | -1 | None |
| Lincoln County | 35 | 32 | -3 | None |
| Linn County | 12 | 13 | +1 | None |
| Livingston County | 10 | 15 | +5 | None |
| Macon County | 12 | 11 | -1 | None |
| Madison County | 18 | 14 | -4 | CVS Health Corporation |
| Maries County | 19 | 18 | -1 | None |
| Marion County | 12 | 11 | -1 | None |
| McDonald County | 22 | 22 | +0 | None |
| Mercer County | 11 | 13 | +2 | None |
| Miller County | 17 | 20 | +3 | None |
| Mississippi County | 10 | 13 | +3 | None |
| Moniteau County | 16 | 15 | -1 | None |
| Monroe County | 11 | 10 | -1 | None |
| Montgomery County | 24 | 22 | -2 | None |
| Morgan County | 15 | 18 | +3 | None |
| New Madrid County | 9 | 7 | -2 | CVS Health Corporation |
| Newton County | 25 | 25 | +0 | None |
| Nodaway County | 9 | 11 | +2 | None |
| Oregon County | 17 | 18 | +1 | None |
| Osage County | 16 | 19 | +3 | None |
| Ozark County | 22 | 19 | -3 | None |
| Pemiscot County | 10 | 13 | +3 | None |
| Perry County | 22 | 24 | +2 | None |
| Pettis County | 10 | 9 | -1 | None |
| Phelps County | 23 | 23 | +0 | None |
| Pike County | 21 | 13 | -8 | None |
| Platte County | 28 | 28 | +0 | Health Care Service Corporation |
| Polk County | 30 | 30 | +0 | None |
| Pulaski County | 29 | 29 | +0 | None |
| Putnam County | 12 | 13 | +1 | None |
| Ralls County | 12 | 11 | -1 | None |
| Randolph County | 11 | 11 | +0 | None |
| Ray County | 26 | 22 | -4 | Health Care Service Corporation |
| Reynolds County | 15 | 18 | +3 | None |
| Ripley County | 10 | 14 | +4 | None |
| Saline County | 13 | 13 | +0 | None |
| Schuyler County | 11 | 10 | -1 | None |
| Scotland County | 6 | 3 | -3 | None |
| Scott County | 15 | 15 | +0 | None |
| Shannon County | 14 | 16 | +2 | None |
| Shelby County | 12 | 11 | -1 | None |
| St. Charles County | 38 | 38 | +0 | None |
| St. Clair County | 20 | 17 | -3 | None |
| St. Francois County | 23 | 23 | +0 | None |
| St. Louis County | 38 | 38 | +0 | None |
| St. Louis city | 38 | 38 | +0 | None |
| Ste. Genevieve County | 20 | 16 | -4 | None |
| Stoddard County | 14 | 17 | +3 | None |
| Stone County | 29 | 29 | +0 | None |
| Sullivan County | 12 | 18 | +6 | None |
| Taney County | 29 | 29 | +0 | None |
| Texas County | 16 | 18 | +2 | None |
| Vernon County | 18 | 17 | -1 | None |
| Warren County | 37 | 37 | +0 | None |
| Washington County | 37 | 37 | +0 | None |
| Wayne County | 10 | 10 | +0 | None |
| Webster County | 29 | 29 | +0 | None |
| Worth County | 12 | 12 | +0 | None |
| Wright County | 25 | 25 | +0 | None |
Stand-alone Part D drug plans in Missouri for 2027
9 plans in 2027, compared with 10 in 2026. Lowest monthly drug plan premium: $5.30 (2026: $9.60).
| Plan | Company | Monthly premium | Deductible | Star rating |
|---|---|---|---|---|
| Wellcare Value Script (PDP) | Wellcare | $5.30 | $700 | Not Applicable |
| Wellcare Classic (PDP) | Wellcare | $7.30 | $700 | Not Applicable |
| Humana Basic Rx Plan (PDP) | Humana | $13.30 | $700 | Not Applicable |
| Humana Value Rx Plan (PDP) | Humana | $49.30 | $687 | Not Applicable |
| HealthSpring Assurance Rx (PDP) | HealthSpring | $85.10 | $700 | Not Applicable |
| SilverScript Choice (PDP) | Aetna Medicare | $119.20 | $700 | Not Applicable |
| Humana Premier Rx Plan (PDP) | Humana | $146.30 | $350 | Not Applicable |
| AARP Medicare Rx Saver from UHC (PDP) | UnitedHealthcare | $167.40 | $700 | Not Applicable |
| AARP Medicare Rx Preferred from UHC (PDP) | UnitedHealthcare | $205.20 | $300 | Not Applicable |
Sources
- Centers for Medicare & Medicaid Services, CY2027 Medicare Advantage and Part D Landscape file (data last updated 18 October 2026)
- Centers for Medicare & Medicaid Services, CY2026 Medicare Advantage and Part D Landscape file (September 2026 release)
- US Census Bureau, 2024 Gazetteer Files, counties
Checked 29 October 2026. Plans and premiums can change before 1 January 2027. Confirm any plan on Medicare.gov before you enrol.