• Skip to main content
  • Skip to secondary menu
  • Skip to footer
Medicare Plans

Medicare Plans

Open Medicare Plan Data.

  • Medicare Options
  • Costs
  • Answers
    • Eligibility
    • Options
    • Enrollment
    • Costs
    • Coverage
  • Medicare Advantage
  • Special Needs
  • Medicare Supplement
  • Prescription Drugs
  1. 🏠
  2. Medicare Advantage Plans
  3. Washington
  4. Cowlitz County

2027 Medicare Advantage Plans in Cowlitz County, WA

Last update: November 8, 2026.

For 2027, Cowlitz County, WA includes 21 Medicare Advantage plans. Enrollment across these plans totals approximately 11,937, with 13 $0 premium options and 79% rated 4 stars or higher.

  • PPO Plans
  • HMO Plans
  • HMO-POS Plans

At a Glance

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

  • Average Monthly Premium: $27.43/mo
  • $0 Premium Plans: 13
  • Average MOOP: $6,745 ($9,250 max. in 2027)
  • Star Ratings (Plan Mix): 4+ Stars: 79% · 3 Stars: 21% · Below 3: 0%
  • Average Part D Deductible: $466.38
  • Total MA/MAPD Enrollment: 11,937
  • Plans with the Highest Enrollment
    (as of November 10, 2026)
    1. AARP Medicare Advantage from UHC WA-14 (HMO-POS) — 2,442 enrollees
    2. Kaiser Permanente Senior Advantage Standard (HMO-POS) — 2,322 enrollees
    3. Kaiser Permanente Senior Advantage Enhanced (HMO-POS) — 2,245 enrollees

This page and its statistics exclude Medicare Advantage Special Needs Plans (SNPs). Special Needs Plans in Cowlitz County, WA are summarized separately. Visit Medicare Options in Cowlitz County, WA to see more options. For a broader perspective, explore Washington Medicare Advantage plans, including statewide premiums, out-of-pocket costs, CMS ratings, and enrollment comparisons.

Medicare Advantage PPO Plans

Preferred Provider Organization (PPO) plans allow members to choose care from both in-network and out-of-network providers. Out-of-network care usually costs more, but PPOs offer greater flexibility in how members access care.

Total PPO Plans
10
Average Monthly Premium
$21.70/mo
Total PPO Enrollment
1,149
$0 Premium PPO Plans
7
Average MOOP
$7,510
Top PPO by Enrollment
Humana Value Choice (PPO) — 453 enrollees
PPO Plans Without Drug Coverage
4

2027 PPO Medicare Advantage plans in Cowlitz County, Washington (comparison chart)
Plan Name CMS Stars* Premium/Mo MOOP Rx Ded. CMS ID
AARP Medicare Advantage from UHC WA-18
☆☆☆☆☆
$10 $7,150 $685 H2001-146-0
AARP Medicare Advantage Patriot No RX WA-MA3
☆☆☆☆☆
$0 $7,150 N/A H2001-148-0
Humana USAA Honor Giveback
☆☆☆☆☆
$0 $9,150 N/A H7617-021-0
HumanaChoice H7617-016
☆☆☆☆☆
$110 $7,000 $700 H7617-016-0
Humana USAA Honor Giveback
☆☆☆☆☆
$0 $5,100 N/A H5216-455-0
Humana USAA Honor Giveback
☆☆☆☆☆
$0 $9,150 N/A H5216-427-1
Humana Value Choice
☆☆☆☆☆
$0 $6,050 $700 H5216-428-1
HumanaChoice H5216-048
☆☆☆☆☆
$97 $7,000 $700 H5216-048-0
DEVOTED CHOICE 001 WA
☆☆☆☆☆
$0 $7,500 $461 H8917-001-0
DEVOTED CHOICE GIVEBACK 002 WA
☆☆☆☆☆
$0 $9,850 $461 H8917-002-0
What is the average monthly premium for PPO plans in Cowlitz?
PPO plans in Cowlitz cost $21.70 per month on average.
Which PPO plan has the highest enrollment in Cowlitz?
The most popular PPO plan in Cowlitz is Humana Value Choice (PPO), with 453 enrollees.
How many PPO plans in Cowlitz do not include prescription drug coverage?
4 PPO plans in Cowlitz do not include prescription drug coverage.

Medicare Advantage HMO Plans

Health Maintenance Organization (HMO) plans are built around a defined network of doctors and hospitals. Care is generally covered only within the network, except in emergencies, but this structure often results in lower premiums and out-of-pocket costs.

Total HMO Plans
4
Average Monthly Premium
$21.50/mo
Total HMO Enrollment
598
$0 Premium HMO Plans
3
Average MOOP
$5,600
Top HMO by Enrollment
Humana Gold Plus H1036-322 (HMO) — 301 enrollees
HMO Plans Without Drug Coverage
0

2027 HMO Medicare Advantage plans in Cowlitz County, Washington (comparison chart)
Plan Name CMS Stars* Premium/Mo MOOP Rx Ded. CMS ID
Humana Gold Plus H1036-322
☆☆☆☆☆
$0 $5,990 $300 H1036-322-0
Humana Gold Plus H5619-061
☆☆☆☆☆
$86 $4,200 $700 H5619-061-0
Humana Gold Plus H5619-174
☆☆☆☆☆
$0 $5,900 $300 H5619-174-0
Humana Total Complete
☆☆☆☆☆
$0 $6,310 $400 H5619-133-0
What is the total number of HMO plans offered in Cowlitz?

There are 4 HMO plans in 2027, covering 598 enrollees.

How much do HMO plans cost in Cowlitz?

The average HMO premium in Cowlitz is $21.50 per month, with 3 plans offering $0 premiums.

What is the top HMO by enrollment in Cowlitz?

Humana Gold Plus H1036-322 (HMO) is the top HMO in Cowlitz, with 301 enrollees.

What is the number of HMO plans without Part D coverage in Cowlitz?

0 HMO plans in Cowlitz do not include prescription drug coverage.

Medicare Advantage HMO-POS Plans

HMO-POS plans are structured like HMOs, requiring in-network care for the lowest costs, while allowing limited out-of-network access at higher cost. This provides added flexibility compared with standard HMO plans.

Total HMO-POS Plans
7
Average Monthly Premium
$39.00/mo
Total HMO-POS Enrollment
10,190
$0 Premium HMO-POS Plans
3
Average MOOP
$6,307
Top HMO-POS by Enrollment
AARP Medicare Advantage from UHC WA-14 (HMO-POS) — 2,442 enrollees
HMO-POS Plans Without Drug Coverage
1

2027 HMO-POS Medicare Advantage plans in Cowlitz County, Washington (comparison chart)
Plan Name CMS Stars* Premium/Mo MOOP Rx Ded. CMS ID
Kaiser Permanente Senior Advantage Enhanced
☆☆☆☆☆
$134 $4,000 $0 H9003-001-0
Kaiser Permanente Senior Advantage Standard
☆☆☆☆☆
$49 $5,250 $0 H9003-006-0
Kaiser Permanente Senior Advantage Value
☆☆☆☆☆
$0 $6,750 $0 H9003-009-0
AARP Medicare Advantage from UHC WA-0005
☆☆☆☆☆
$55 $6,700 $685 H3805-015-0
AARP Medicare Advantage from UHC WA-14
☆☆☆☆☆
$35 $7,150 $685 H3805-044-0
AARP Medicare Advantage from UHC WA-6
☆☆☆☆☆
$0 $7,150 $685 H3805-017-0
AARP Medicare Advantage Patriot No Rx WA-MA02
☆☆☆☆☆
$0 $7,150 N/A H3805-035-0

What is the average monthly premium for HMO-POS plans?

HMO-POS plans in Cowlitz cost $39.00 per month on average.

Which HMO-POS plan is most popular in Cowlitz?

The most popular HMO-POS plan in Cowlitz is AARP Medicare Advantage from UHC WA-14 (HMO-POS), with 2,442 enrollees.

How many HMO-POS plans in Cowlitz do not include drug coverage?

There are 1 HMO-POS plans in Cowlitz without prescription drug coverage.

CMS quality ratings for Medicare Advantage plans in Cowlitz County, WA (2027) are summarized below.

Medicare Advantage Plan Ratings in Cowlitz County, WA (2027)
Rating Category Number of Plans Percent of Plans
5 Stars No 5-star plans available. 0%
4 Stars (includes 5 Stars) 15 79%
3 Stars 4 21%
Below 3 Stars 0 0%
Not Rated 2 10%
Average Rating 4.11

* CMS assigns Medicare Advantage star ratings annually based on plan quality and performance measures.

Medicare Advantage plans listed on this page are available to eligible beneficiaries residing in Cowlitz County, Washington, including communities such as Castle Rock, Kalama, Kelso, Longview, Woodland, and other areas throughout the county. Plan availability is determined by county of residence, not by city.

  • CMS.gov, Medicare Advantage & Special Needs Plan Landscape Source Files — Version: 202609
  • CMS.gov, Medicare Part C & D Performance Data — Version: 2026
  • CMS.gov, Medicare Advantage & Part D Contract and Enrollment Data — Version: 2026-10

All plan counts, enrollment totals, averages, and percentage distributions are calculated at the county level using CMS data and include standard Medicare Advantage (MA/MAPD) plans only, based on a consistent aggregation methodology.

Data sources and methodology documentation .

  • Medicare.gov, "Understanding Medicare Advantage Plans" — Last accessed 25 May, 2025
  • Medicare.gov, "Compare Original Medicare & Medicare Advantage" — Last accessed 25 May, 2025
  • NCOA.org, "5 Steps to Choosing the Right Medicare Plan for You" — Last accessed 25 May, 2025

MedicarePlans.com is an independent informational resource and has no affiliation with, or endorsement from, the U.S. Government or the federal Medicare program.

Data provenance is documented in accordance 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.

Footer

About This Site

  • About MedicarePlans.com
  • How We Use CMS Data
  • How We Make Money
  • Editorial Policy
  • Why We Exist

Policies & Standards

    • Privacy Policy
    • Contact Us
    • Terms of Use
    • Medicare Publishing Excellence Standards
    • Medicare Plans Research

Trademark Notice

MedicarePlans.com uses U.S. trademarks, service marks, and registered trademarks solely for purposes of identification, description, and factual reference. All such use constitutes nominative fair use and does not imply affiliation, endorsement, or sponsorship by any trademark holder.

© 2026 MedicarePlans.com. All Rights Reserved
MedicarePlans.com is an independent, non-commercial Medicare data platform.
Editorial stewardship: David W. Bynon