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  1. 🏠
  2. Medicare Advantage Plans
  3. Washington
  4. Island County

2026 Medicare Advantage Plans in Island County, WA

Last update: May 9, 2026. Enrollment data updated: May 2, 2026

In Island County, WA, there are 21 Medicare Advantage plans available for 2026. Of these, 12 offer a $0 monthly premium, and about 37% 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 Island County, WA. Or explore all Medicare Options available in Island County, WA.

  • 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
$26.14/mo
Plans with $0 Premium
12
Average MOOP Limit
$6,583 ($9,250 max. in 2026)
Star Ratings (Plan Mix)
4+ Stars: 37% · 3 Stars: 58% · Below 3: 5%
Average Part D Deductible
$472.00
Total MA/MAPD Enrollment
8,037
Plans with the Highest Enrollment
(as of May 2, 2026)
1. AARP Medicare Advantage Extras from UHC WA-14 (HMO-POS) — 2,026 enrollees
2. Kaiser Permanente Medicare Advantage Harbor (HMO) — 1,210 enrollees
3. AARP Medicare Advantage from UHC WA-12 (PPO) — 1,136 enrollees

Medicare Advantage PPO Plans

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

  • Total PPO Plans 11
  • Average Monthly Premium $26.82/mo
  • Total PPO Enrollment 2,862
  • $0 Premium PPO Plans 6
  • Average MOOP $7,082
  • Top PPO by Enrollment AARP Medicare Advantage from UHC WA-12 (PPO) — 1,136 enrollees
  • PPO Plans Without Drug Coverage 5

Comparison table of 2026 PPO Medicare Advantage Plans available in Island County, Washington
Health Plan Name CMS Rating* Premium Per Mo MOOP PDP Ded. CMS Plan ID
AARP Medicare Advantage from UHC WA-12
☆☆☆☆☆
$0 $6,700 $600 H2001-087-0
AARP Medicare Advantage from UHC WA-16
☆☆☆☆☆
$56 $6,700 $600 H2001-136-0
Humana USAA Honor Giveback
☆☆☆☆☆
$0 $9,150 N/A H7617-021-0
HumanaChoice H7617-016
☆☆☆☆☆
$87 $6,750 $615 H7617-016-0
AARP Medicare Advantage from UHC WA-0002
☆☆☆☆☆
$22 $8,500 $600 H1278-029-0
AARP Medicare Advantage from UHC WA-0004
☆☆☆☆☆
$43 $6,700 $600 H1278-032-0
AARP Medicare Advantage Patriot No Rx WA-MA01
☆☆☆☆☆
$0 $6,700 N/A H1278-031-0
Humana USAA Honor Giveback
☆☆☆☆☆
$0 $5,100 N/A H5216-455-0
Humana USAA Honor Giveback
☆☆☆☆☆
$0 $9,150 N/A H5216-427-1
HumanaChoice H5216-048
☆☆☆☆☆
$87 $6,750 $615 H5216-048-0
Wellcare Patriot Giveback Open
☆☆☆☆☆
$0 $5,700 N/A H5965-003-0
What is the total number of PPO plans offered in Island?

There are 11 PPO plans in 2026, covering 2,862 beneficiaries.

How much do PPO plans cost in Island?

The average PPO premium in Island is $26.82 per month, with 6 plans offering $0 premiums.

What is the most popular PPO plan in Island?

AARP Medicare Advantage from UHC WA-12 (PPO) is the top PPO in Island, with 1,136 enrollees.

What is the number of PPO plans without Part D coverage in Island?

There are 5 PPO plans in Island without prescription drug coverage.

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
4
Average Monthly Premium
$34.25/mo
Total HMO Enrollment
2,208
$0 Premium HMO Plans
2
Average MOOP
$5,200
Top HMO by Enrollment
Kaiser Permanente Medicare Advantage Harbor (HMO) — 1,210 enrollees
HMO Plans Without Drug Coverage
1

Comparison table of 2026 HMO Medicare Advantage Plans available in Island County, Washington
Health Plan Name CMS Rating* Premium Per Mo MOOP PDP Ded. CMS Plan ID
Kaiser Permanente Medicare Advantage Basic
☆☆☆☆☆
$0 $4,200 N/A H5050-001-0
Kaiser Permanente Medicare Advantage Harbor
☆☆☆☆☆
$74 $5,800 $100 H5050-017-0
Kaiser Permanente Medicare Advantage Key
☆☆☆☆☆
$0 $6,600 $0 H5050-022-0
Humana Gold Plus H5619-061
☆☆☆☆☆
$63 $4,200 $615 H5619-061-0

What is the average monthly premium for HMO plans?

HMO plans in Island cost $34.25 per month on average.

Which HMO plan is most popular in Island?

The most popular HMO plan in Island is Kaiser Permanente Medicare Advantage Harbor (HMO), with 1,210 enrollees.

How many HMO plans in Island do not include drug coverage?

There are 1 HMO plans in Island without prescription drug coverage.

Medicare Advantage HMO-POS Plans

HMO Point-of-Service (HMO-POS) plans combine HMO network rules 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
6
Average Monthly Premium
$19.50/mo
Total HMO-POS Enrollment
2,967
$0 Premium HMO-POS Plans
4
Average MOOP
$6,592
Top HMO-POS by Enrollment
AARP Medicare Advantage Extras from UHC WA-14 (HMO-POS) — 2,026 enrollees
HMO-POS Plans Without Drug Coverage
0

Comparison table of 2026 HMO-POS Medicare Advantage Plans available in Island County, Washington
Health Plan Name CMS Rating* Premium Per Mo MOOP PDP Ded. CMS Plan ID
AARP Medicare Advantage Essentials from UHC WA-6
☆☆☆☆☆
$0 $6,300 $355 H3805-017-0
AARP Medicare Advantage Extras from UHC WA-14
☆☆☆☆☆
$0 $6,700 $440 H3805-044-0
AARP Medicare Advantage from UHC WA-0005
☆☆☆☆☆
$38 $5,900 $355 H3805-015-0
AARP Medicare Advantage from UHC WA-0010
☆☆☆☆☆
$79 $4,900 $355 H3805-037-0
Wellcare Giveback
☆☆☆☆☆
$0 $9,250 $615 H0029-009-0
Wellcare Simple
☆☆☆☆☆
$0 $6,500 $615 H0029-011-0
What is the leading HMO-POS plan in Island?

AARP Medicare Advantage Extras from UHC WA-14 (HMO-POS) is the top HMO-POS in Island, with 2,026 enrollees.

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

0 HMO-POS plans in Island do not include prescription drug coverage.

The table below shows CMS star ratings for Medicare Advantage plans in Island County, WA for 2026.

CMS Star Ratings for Medicare Advantage Plans in Island County, WA (2026)
Rating Category Number of Plans Percent of Plans
5 Stars No 5-star plans available. 0%
4 Stars (includes 5 Stars) 7 37%
3 Stars 11 58%
Below 3 Stars 1 5%
Not Rated 2 10%
Average Rating 3.71

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

  • CMS.gov, Medicare Advantage Landscape Source Files — Last accessed May 2, 2026
  • CMS.gov, Medicare Part C & D Performance Data — Last accessed May 2, 2026
  • CMS.gov, Medicare Advantage & Part D Contract and Enrollment Data — Last accessed May 2, 2026

County-level figures shown on this page, including plan counts, enrollment totals, averages, and percentage distributions, reflect standard Medicare Advantage (MA/MAPD) plans only and are derived from CMS datasets using a standardized aggregation methodology.

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
  • Medicare.gov, "Joining a plan" — 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.

This page follows data provenance practices aligned with the 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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