Medicare Advantage · State · 2026 plan year

Medicare Advantage in Missouri

According to the Centers for Medicare & Medicaid Services (CMS) 2026 plan-year files, 156 plans across 115 counties; find your county to compare every plan available where you live.

156
Plans available
3.8★
Avg CMS rating
$20.81
Avg premium/mo
2
5-star plans

The short answer

Missouri ranks #9 of 49 by Medicare Advantage plan inventory (156 plans) but #22 by average CMS star (3.83★).

#9
inventory rank
156
plans statewide
#22
avg star rank
3.83★
mean CMS rating

Plan inventory and average star are independent CMS signals; a large catalog is not the same as the highest mean quality score.

Product mix · MO plans_unique

How 149 Missouri plans split by CMS plan type

Exclusive CMS plan-type codes for this state's representative plans_unique rows, orthogonal to the star-bucket chart below. Source: CMS landscape, 2026.

Wider statewide MA inventory

Missouri in the wider-inventory third

Missouri ranks #9 of 49 states and territories by Medicare Advantage plan count (156 plans) - top-third inventory breadth in the CMS file. According to CMS 2026 plan-year filings, Missouri beneficiaries can choose from 156 distinct Medicare Advantage plans marketed across 115 counties - a top-third inventory book (#9 of 49 by plan count). 2 plans reached the top 5-star tier (year-round Special Enrollment rights for those contracts). County (FIPS) service areas still decide what is sold where you live - open a county below before the October 15 - December 7 Annual Election Period closes.

plans #9/49 · stars #22/49 · 115 counties · avg prem $20.81/mo

Quality across a wider MA book in Missouri

Missouri offers 156 Medicare Advantage plans across 115 counties. Mean star 3.8★ across a wider inventory book (star rank #22/49); compare county contracts, not only the state average. Confirm premiums and networks on <a class="underline" href="https://www.medicare.gov/plan-compare/" target="_blank" rel="external noopener">Medicare.gov Plan Compare</a>.

Where Missouri sits on CMS quality

Average CMS star rating across the state's own Medicare Advantage plans, against every state and territory in the CMS file

3.83★ Top 43% higher than 57% of 49 states and territories

3.25★–3.5★: 1 states and territories (2%). Below this entry. 3.5★–3.75★: 13 states and territories (27%). Below this entry. 3.75★–4★: 23 states and territories (47%). This entry sits in this band. 4★–4.25★: 10 states and territories (20%). Above this entry. 4.25★–4.5★: 1 states and territories (2%). Above this entry. 4.5★–4.75★: 0 states and territories (0%). Above this entry. 4.75★–5★: 1 states and territories (2%). Above this entry. This state 3.25★ 5★ every state and territory, bucketed by value

Each bar is a band; taller bars hold more states and territories. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Advantage Star Ratings 2026 · 2026-09-01

Counties in Missouri

Click a county to see all Medicare Advantage plans available in your area.

Adair
24 plans
4.0
$23.26/mo avg
Andrew
32 plans
3.9
$20.79/mo avg
Atchison
31 plans
3.9
$23.94/mo avg
Audrain
42 plans
3.8
$19.23/mo avg
Barry
59 plans
3.9
$16.97/mo avg
Barton
46 plans
3.8
$17.36/mo avg
Bates
40 plans
3.7
$20.91/mo avg
Benton
34 plans
3.8
$24.17/mo avg
Bollinger
34 plans
3.9
$24.05/mo avg
Boone
48 plans
3.8
$19.87/mo avg
Buchanan
19 plans
4.0
$19.37/mo avg
Butler
24 plans
3.9
$20.91/mo avg
Caldwell
33 plans
4.0
$23.05/mo avg
Callaway
45 plans
3.8
$19.48/mo avg
Camden
36 plans
3.9
$22.50/mo avg
Cape Girardeau
33 plans
4.0
$17.76/mo avg
Carroll
30 plans
3.9
$21.09/mo avg
Carter
25 plans
3.9
$19.05/mo avg
Cass
46 plans
3.7
$18.33/mo avg
Cedar
45 plans
3.9
$18.25/mo avg
Chariton
31 plans
4.0
$23.28/mo avg
Christian
61 plans
3.8
$16.81/mo avg
Clark
16 plans
4.0
$26.11/mo avg
Clay
56 plans
3.8
$18.34/mo avg
Clinton
39 plans
3.8
$22.73/mo avg
Cole
39 plans
3.8
$24.55/mo avg
Cooper
35 plans
3.8
$23.72/mo avg
Crawford
68 plans
3.8
$21.29/mo avg
Dade
55 plans
3.9
$18.31/mo avg
Dallas
60 plans
3.8
$16.64/mo avg
Daviess
29 plans
4.0
$23.39/mo avg
DeKalb
36 plans
3.9
$22.08/mo avg
Dent
40 plans
3.9
$16.74/mo avg
Douglas
53 plans
3.8
$18.41/mo avg
Dunklin
13 plans
3.9
$23.41/mo avg
Franklin
56 plans
3.8
$21.53/mo avg
Gasconade
51 plans
3.8
$27.68/mo avg
Gentry
26 plans
3.9
$22.16/mo avg
Greene
66 plans
3.8
$17.68/mo avg
Grundy
23 plans
4.0
$22.56/mo avg
Harrison
17 plans
3.9
$19.06/mo avg
Henry
43 plans
3.8
$23.81/mo avg
Hickory
48 plans
4.0
$18.46/mo avg
Holt
33 plans
3.9
$21.37/mo avg
Howard
30 plans
4.0
$23.35/mo avg
Howell
41 plans
3.8
$18.63/mo avg
Iron
41 plans
4.0
$16.91/mo avg
Jackson
61 plans
3.8
$18.23/mo avg
Jasper
58 plans
3.9
$18.17/mo avg
Jefferson
72 plans
3.8
$21.30/mo avg
Johnson
32 plans
3.6
$22.61/mo avg
Knox
25 plans
4.0
$24.05/mo avg
Laclede
55 plans
3.8
$18.41/mo avg
Lafayette
52 plans
3.7
$18.20/mo avg
Lawrence
61 plans
3.9
$17.87/mo avg
Lewis
25 plans
3.9
$23.91/mo avg
Lincoln
59 plans
3.8
$22.54/mo avg
Linn
26 plans
3.9
$21.86/mo avg
Livingston
25 plans
4.0
$22.37/mo avg
Macon
25 plans
3.9
$23.91/mo avg
Madison
40 plans
4.0
$16.82/mo avg
Maries
46 plans
3.9
$22.80/mo avg
Marion
25 plans
3.9
$23.91/mo avg
McDonald
48 plans
3.8
$17.49/mo avg
Mercer
23 plans
4.0
$22.56/mo avg
Miller
40 plans
3.9
$22.93/mo avg
Mississippi
26 plans
4.0
$23.32/mo avg
Moniteau
36 plans
3.8
$22.95/mo avg
Monroe
24 plans
4.0
$23.26/mo avg
Montgomery
51 plans
3.9
$27.93/mo avg
Morgan
34 plans
3.8
$21.26/mo avg
New Madrid
26 plans
4.0
$22.67/mo avg
Newton
53 plans
3.8
$17.00/mo avg
Nodaway
20 plans
3.9
$19.67/mo avg
Oregon
30 plans
3.9
$17.43/mo avg
Osage
37 plans
3.8
$23.21/mo avg
Ozark
40 plans
3.9
$18.80/mo avg
Pemiscot
24 plans
3.9
$22.48/mo avg
Perry
41 plans
3.9
$18.41/mo avg
Pettis
22 plans
3.9
$22.54/mo avg
Phelps
44 plans
3.9
$19.87/mo avg
Pike
37 plans
3.9
$19.10/mo avg
Platte
55 plans
3.7
$17.84/mo avg
Polk
62 plans
3.8
$16.58/mo avg
Pulaski
48 plans
3.9
$16.53/mo avg
Putnam
26 plans
3.9
$21.86/mo avg
Ralls
25 plans
3.9
$23.91/mo avg
Randolph
24 plans
4.0
$23.26/mo avg
Ray
52 plans
3.8
$18.91/mo avg
Reynolds
39 plans
3.9
$21.77/mo avg
Ripley
27 plans
4.0
$22.55/mo avg
Saline
28 plans
4.0
$20.40/mo avg
Schuyler
24 plans
4.0
$23.26/mo avg
Scotland
16 plans
4.0
$26.11/mo avg
Scott
33 plans
4.0
$17.76/mo avg
Shannon
34 plans
4.0
$22.02/mo avg
Shelby
25 plans
4.0
$24.05/mo avg
St. Charles
74 plans
3.8
$21.12/mo avg
St. Clair
37 plans
3.9
$18.80/mo avg
St. Francois
39 plans
4.0
$16.35/mo avg
St. Louis
77 plans
3.8
$20.81/mo avg
St. Louis City
76 plans
3.8
$20.81/mo avg
Ste. Genevieve
44 plans
3.9
$22.27/mo avg
Stoddard
33 plans
4.0
$19.72/mo avg
Stone
58 plans
3.8
$16.96/mo avg
Sullivan
26 plans
3.9
$21.86/mo avg
Taney
59 plans
3.8
$17.96/mo avg
Texas
39 plans
3.9
$20.84/mo avg
Vernon
44 plans
3.9
$21.37/mo avg
Warren
70 plans
3.8
$20.86/mo avg
Washington
68 plans
3.8
$20.88/mo avg
Wayne
23 plans
4.0
$18.06/mo avg
Webster
63 plans
3.8
$16.87/mo avg
Worth
29 plans
4.0
$23.39/mo avg
Wright
53 plans
3.8
$18.41/mo avg

Wider inventory markets: start with how to choose a plan then open your county.

Note: PlainMedicare provides publicly available CMS data for informational purposes only. This is not medical or insurance advice. Consult a licensed Medicare counselor or insurance agent before making enrollment decisions. Plan availability and premiums change annually, always verify with Medicare.gov or 1-800-MEDICARE.
Data sourced from the Centers for Medicare & Medicaid Services (CMS). Retrieved and formatted by PlainMedicare

Using Missouri's Medicare Advantage market

Plan availability and star ratings vary by county, not just by state.

  • Missouri beneficiaries can choose from 156 distinct Medicare Advantage plans across 115 counties (#9 of 49 states by plan count) - look up your own county for what's actually sold there. Browse by county
  • The state's mean CMS star rating ranks #22 of 49 - see how star ratings are built before comparing plans. How star ratings work
  • Weigh total cost, not just premium: compare plan details using Medicare.gov before you enroll. Medicare Plan Compare

State-level figures average every county's filings; the plans actually sold where you live can differ from the state total.

PlainMedicare is rendered directly from CMS Medicare Advantage and Part D public files, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a correction. Data current as of 2026-09-01.

CMS lists 131,985 Medicare Advantage and Part D plan records in the current public files. PlainMedicare refreshes this registry with each annual release.