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  1. 🏠
  2. Medicare Advantage Plans
  3. Missouri
  4. Saint Charles County

2026 Medicare Advantage Plans in Saint Charles County, MO

Last update: September 1, 2026.

In Saint Charles County, MO, there are 46 Medicare Advantage plans available for 2026. Of these, 36 offer a $0 monthly premium, and about 43% are rated 4 stars or higher based on CMS quality ratings.

Medicare Advantage Special Needs Plans (SNPs) are not included in the figures shown above. View Special Needs Plans in Saint Charles County, MO. Or explore all Medicare Options available in Saint Charles County, MO.

  • PPO Plans
  • HMO Plans
  • HMO-POS Plans
  • PFFS Plans

At a Glance

County-level summary of Medicare Advantage plan availability and enrollment based on CMS data.

Average Monthly Premium
$16.37/mo
Plans with $0 Premium
36
Average MOOP Limit
$4,930 ($9,250 max. in 2026)
Star Ratings (Plan Mix)
4+ Stars: 43% · 3 Stars: 52% · Below 3: 5%
Average Part D Deductible
$484.21
Total MA/MAPD Enrollment
40,628
Plans with the Highest Enrollment
(as of September 8, 2026)
1. Aetna Medicare Signature (HMO-POS) — 7,658 enrollees
2. AARP Medicare Advantage Essentials from UHC ST-3 (HMO-POS) — 7,534 enrollees
3. AARP Medicare Advantage Extras from UHC ST-4 (HMO-POS) — 5,668 enrollees

Medicare Advantage PPO Plans

Preferred Provider Organization (PPO) plans allow members to use both in-network and out-of-network providers. Out-of-network care typically costs more, but PPOs offer greater flexibility in how care is accessed.

Total PPO Plans
21
Average Monthly Premium
$27.90/mo
Total PPO Enrollment
7,325
$0 Premium PPO Plans
15
Average MOOP
$5,412
Top PPO by Enrollment
AARP Medicare Advantage from UHC ST-0001 (PPO) — 1,690 enrollees
PPO Plans Without Drug Coverage
5

PPO Medicare Advantage plan comparison – Saint Charles County, Missouri, 2026
Health Plan Name CMS Rating* Premium Per Mo MOOP PDP Ded. CMS Plan ID
Humana Full Access H7617-008
☆☆☆☆☆
$0 $5,000 $400 H7617-008-0
Humana USAA Honor Giveback
☆☆☆☆☆
$0 $4,700 N/A H7617-012-0
Humana Value Choice H7617-023
☆☆☆☆☆
$0 $3,500 $615 H7617-023-0
AARP Medicare Advantage from UHC ST-0001
☆☆☆☆☆
$53 $4,500 $520 H2406-043-0
AARP Medicare Advantage from UHC ST-2
☆☆☆☆☆
$0 $6,700 $600 H2406-069-0
Aetna Medicare Elite
☆☆☆☆☆
$0 $4,500 $615 H1608-050-0
Aetna Medicare Enhanced
☆☆☆☆☆
$60 $7,500 $615 H1608-013-0
Aetna Medicare Signature
☆☆☆☆☆
$0 $4,200 $615 H1608-067-0
Anthem Veteran
☆☆☆☆☆
$0 $6,751 N/A H4909-021-0
Humana Full Access H5216-407
☆☆☆☆☆
$0 $5,000 $400 H5216-407-0
Humana USAA Honor Giveback
☆☆☆☆☆
$0 $4,700 N/A H5216-278-1
Humana Value Choice H5216-318
☆☆☆☆☆
$0 $3,500 $615 H5216-318-1
HumanaChoice H5216-032
☆☆☆☆☆
$63 $9,250 $615 H5216-032-0
Essence Advantage Choice
☆☆☆☆☆
$0 $5,400 $340 H6200-001-0
Essence Advantage Premier Plus
☆☆☆☆☆
$254 $2,000 $615 H6200-008-0
HealthSpring True Choice Savings
☆☆☆☆☆
$0 $4,250 $200 H7849-077-0
UHC Medicare Advantage AM-0002
☆☆☆☆☆
$106 $9,250 $600 R3444-012-0
Wellcare Patriot Giveback Open
☆☆☆☆☆
$0 $4,000 N/A H7518-002-0
Wellcare Simple Open
☆☆☆☆☆
$0 $6,000 $615 H7518-001-0
Humana USAA Honor Giveback
☆☆☆☆☆
$0 $5,500 N/A R1532-001-0
HumanaChoice R1532-002
☆☆☆☆☆
$50 $7,450 $615 R1532-002-0
What is the total number of PPO plans offered in Saint Charles?

Saint Charles County has 21 PPO plans for 2026, with 7,325 enrolled.

How much do PPO plans cost in Saint Charles?

The typical PPO premium in Saint Charles is $27.90, and 15 plans have no monthly premium.

Medicare Advantage HMO Plans

HMO plans typically require members to use in-network providers and facilities, except in emergencies. In return, HMOs often offer lower monthly premiums and reduced cost-sharing.

Total HMO Plans
11
Average Monthly Premium
$5.36/mo
Total HMO Enrollment
9,957
$0 Premium HMO Plans
10
Average MOOP
$3,923
Top HMO by Enrollment
Essence Advantage Select (HMO) — 2,765 enrollees
HMO Plans Without Drug Coverage
0

HMO Medicare Advantage plan comparison – Saint Charles County, Missouri, 2026
Health Plan Name CMS Rating* Premium Per Mo MOOP PDP Ded. CMS Plan ID
Essence Advantage
☆☆☆☆☆
$0 $3,400 $0 H2610-005-0
Essence Advantage Plus
☆☆☆☆☆
$59 $2,900 $0 H2610-006-0
Essence Advantage Select
☆☆☆☆☆
$0 $3,900 $340 H2610-016-0
Humana Essentials Plus Giveback H4461-045
☆☆☆☆☆
$0 $4,200 $615 H4461-045-0
Humana Total Complete H4461-046
☆☆☆☆☆
$0 $2,700 $615 H4461-046-0
HealthSpring Preferred
☆☆☆☆☆
$0 $2,300 $200 H0439-020-0
HealthSpring Preferred Savings
☆☆☆☆☆
$0 $6,750 $0 H0439-021-0
Humana Gold Plus Giveback H0028-065
☆☆☆☆☆
$0 $4,200 $615 H0028-065-0
Humana Gold Plus H0028-014
☆☆☆☆☆
$0 $2,700 $615 H0028-014-0
DEVOTED CORE 001 MO
☆☆☆☆☆
$0 $3,100 $385 H2041-001-0
DEVOTED GIVEBACK 002 MO
☆☆☆☆☆
$0 $7,000 $605 H2041-002-0
What is the average monthly premium for HMO plans?
HMO plans in Saint Charles cost $5.36 per month on average.
Which HMO plan is most popular in Saint Charles?
The most popular HMO plan in Saint Charles is Essence Advantage Select (HMO), with 2,765 enrollees.
How many HMO plans in Saint Charles do not include drug coverage?
There are 0 HMO plans in Saint Charles without prescription drug coverage.

Medicare Advantage HMO-POS Plans

HMO Point-of-Service (HMO-POS) plans combine HMO network requirements with limited out-of-network access. Care outside the network typically costs more, but HMO-POS plans provide added flexibility compared with standard HMOs.

  • Total HMO-POS Plans 12
  • Average Monthly Premium $5.91/mo
  • Total HMO-POS Enrollment 23,330
  • $0 Premium HMO-POS Plans 10
  • Average MOOP $4,708
  • Top HMO-POS by Enrollment Aetna Medicare Signature (HMO-POS) — 7,658 enrollees
  • HMO-POS Plans Without Drug Coverage 2

HMO-POS Medicare Advantage plan comparison – Saint Charles County, Missouri, 2026
Health Plan Name CMS Rating* Premium Per Mo MOOP PDP Ded. CMS Plan ID
AARP Medicare Advantage CareFlex from UHC ST-6
☆☆☆☆☆
$0 $6,700 $600 H2802-073-0
AARP Medicare Advantage Essentials from UHC ST-3
☆☆☆☆☆
$0 $3,200 $440 H2802-028-0
AARP Medicare Advantage Extras from UHC ST-4
☆☆☆☆☆
$0 $3,900 $520 H2802-052-0
AARP Medicare Advantage from UHC ST-1P
☆☆☆☆☆
$0 $2,900 $355 H2802-071-0
AARP Medicare Advantage Patriot No Rx MO-MA01
☆☆☆☆☆
$0 $4,900 N/A H2802-050-0
Aetna Medicare Eagle
☆☆☆☆☆
$0 $4,900 N/A H2663-069-0
Aetna Medicare Enhanced Extra
☆☆☆☆☆
$40 $5,900 $615 H2663-006-0
Aetna Medicare Signature
☆☆☆☆☆
$0 $3,400 $615 H2663-005-0
Aetna Medicare Value Plus
☆☆☆☆☆
$31 $4,200 $615 H2663-057-0
Anthem Medicare Advantage
☆☆☆☆☆
$0 $3,500 $210 H3447-038-2
Wellcare Giveback
☆☆☆☆☆
$0 $7,000 $615 H1664-006-0
Wellcare Simple
☆☆☆☆☆
$0 $6,000 $615 H1664-001-0
What is the total number of HMO-POS plans in Saint Charles?

There are 12 HMO-POS plans in 2026, covering 23,330 enrollees.

How much do HMO-POS plans cost in Saint Charles?

The average HMO-POS premium in Saint Charles is $5.91 per month, with 10 plans offering $0 premiums.

What is the leading HMO-POS plan in Saint Charles?

Aetna Medicare Signature (HMO-POS) is the top HMO-POS in Saint Charles, with 7,658 enrollees.

What is the number of HMO-POS plans without Part D coverage in Saint Charles?

2 HMO-POS plans in Saint Charles do not include prescription drug coverage.

Medicare Advantage PFFS Plans

PFFS plans allow members to visit any Medicare-approved provider who accepts the plan’s payment terms. This offers broader choice than network-based plans, but coverage depends on provider participation, so acceptance should be confirmed in advance.

Total PFFS Plans
2
Average Monthly Premium
$18.50/mo
Total PFFS Enrollment
16
$0 Premium PFFS Plans
1
Average MOOP
$6,750
Top PFFS by Enrollment
Humana Gold Choice H8145-006 (PFFS) — 16 enrollees
PFFS Plans Without Drug Coverage
1

PFFS Medicare Advantage plan comparison – Saint Charles County, Missouri, 2026
Health Plan Name CMS Rating* Premium Per Mo MOOP PDP Ded. CMS Plan ID
Humana Gold Choice H8145-006
☆☆☆☆☆
$37 $6,800 $615 H8145-006-0
Humana Gold Choice H8145-126
☆☆☆☆☆
$0 $6,700 N/A H8145-126-0

What is the average monthly premium for PFFS plans?

PFFS plans in Saint Charles cost $18.50 per month on average.

Which PFFS plan is most popular in Saint Charles?

The most popular PFFS plan in Saint Charles is Humana Gold Choice H8145-006 (PFFS), with 16 enrollees.

How many PFFS plans in Saint Charles do not include drug coverage?

There are 1 PFFS plans in Saint Charles without prescription drug coverage.

The table below shows CMS star ratings for Medicare Advantage plans in Saint Charles County, MO for 2026.

CMS Star Ratings for Medicare Advantage Plans in Saint Charles County, MO (2026)
Rating Category Number of Plans Percent of Plans
5 Stars No 5-star plans available. 0%
4 Stars (includes 5 Stars) 19 43%
3 Stars 23 52%
Below 3 Stars 2 5%
Not Rated 2 4%
Average Rating 3.65

* Medicare Advantage star ratings are determined by CMS each year using a standardized 5-star rating system.

  • CMS.gov, Medicare Advantage & Special Needs Plan Landscape Source Files — Version: 202608
  • CMS.gov, Medicare Part C & D Performance Data — Version: 2026
  • CMS.gov, Medicare Advantage & Part D Contract and Enrollment Data — Version: 2026-08

This page presents county-level Medicare Advantage (MA/MAPD) data, including plan counts, enrollment totals, averages, and percentage distributions, derived from CMS datasets using a standardized aggregation approach.

Data sources and methodology documentation .

  • Medicare.gov, "Compare types of Medicare Advantage Plans" — Last accessed 25 May, 2025
  • Medicare.gov, "Your coverage options" — Last accessed 25 May, 2025
  • AARP.org, "The Big Choice: Original Medicare vs. Medicare Advantage" — Last accessed 25 May, 2025

MedicarePlans.com is an independent, non-government informational resource and is not affiliated with or endorsed by the U.S. Government or the federal Medicare program.

Data provenance documentation is maintained in alignment with the U.S. Core Data for Interoperability (USCDI) Provenance standard .

Page content independently curated and maintained by David W. Bynon, Editorial Steward, using a standardized, data-driven methodology for accurate, non-commercial Medicare plan interpretation and resolution.

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