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2027 Medicare Special Needs Plans in King County, WA

Last update: .

In King County, WA, there are 29 Medicare Special Needs Plans available for 2027. Approximately 34,584 beneficiaries are enrolled, and about (2027 Star Ratings Coming Soon) are rated 4 stars or higher based on CMS quality ratings.

Special Needs Plans (SNPs) are one coverage option. Other options may include standard Medicare Advantage plans, Medicare prescription drug coverage, and Medicare Supplement insurance. Visit Medicare Options in King County, WA to explore other types of coverage available locally.

At a Glance

Average Monthly Premium
$4.57/mo
Plans with $0 Premium
19
Average MOOP Limit
$8,839 ($9,250 max.)
Star Ratings (Plan Mix)
(2027 Star Ratings Coming Soon)
Average Part D Deductible
$569.48
Total SNP Enrollment
34,584
SNP Plans with the Highest Enrollment
(as of October 5, 2026)
1. UHC Dual Complete WA-S2 (D-SNP) — 11,127 enrollees
2. Humana Gold Plus SNP-DE H1036-325 (D-SNP) — 3,832 enrollees
3. Humana Dual Select H5619-166 (D-SNP) — 2,906 enrollees

D-SNP Plans (Dual Eligible Special Needs Plans)

Dual Eligible Special Needs Plans (D-SNPs) in King County are Medicare Advantage plans for individuals eligible for both Medicare and Medicaid.

Total D-SNP Plans
18
Average Monthly Premium
$2.90/mo
Beneficiaries Enrolled
31,720
$0 Premium D-SNPs
10
Zero Cost D-SNPs
10
D-SNP with the Highest Enrollment
UHC Dual Complete WA-S2 (D-SNP) with 11,127 enrollees
D-SNPs without Drug Coverage
0
D-SNP Medicare plan comparison – King County, Washington, 2027
Special Needs Plan CMS Rating* Premium Per Mo MOOP PDP Ded. CMS Plan ID
Community Health Plan of WA Dual Complete
☆☆☆☆☆
 $6 9850.00 $700 H5826-014-0
Community Health Plan of WA Dual Select
☆☆☆☆☆
 $6 9850.00 $700 H5826-017-0
Humana Dual Select H5619-165
☆☆☆☆☆
 $0 9850.00 $700 H5619-165-0
Humana Dual Select H5619-166
☆☆☆☆☆
 $0 9850.00 $700 H5619-166-0
Humana Gold Plus SNP-DE H1036-325
☆☆☆☆☆
 $0 9850.00 $700 H1036-325-0
Molina Medicare Complete Care
☆☆☆☆☆
 $6 9850.00 $700 H5823-013-1
Molina Medicare Elect
☆☆☆☆☆
 $8 8875.00 $700 H5823-015-0
UHC Dual Advantage WA-V1
☆☆☆☆☆
 $0 6700.00 $555 H5008-015-0
UHC Dual Advantage WA-V2
☆☆☆☆☆
 $6 6700.00 $700 H2001-080-0
UHC Dual Complete WA-Q1
☆☆☆☆☆
 $0 9850.00 $210 H2001-079-0
UHC Dual Complete WA-Q2
☆☆☆☆☆
 $0 9850.00 $75 H5008-019-0
UHC Dual Complete WA-S2
☆☆☆☆☆
 $0 9850.00 $700 H2001-081-0
UHC Dual Complete WA-S4
☆☆☆☆☆
 $0 9850.00 $700 H5008-020-0
Wellcare Coordinated Care Dual Access
☆☆☆☆☆
 $0 9850.00 $700 H0029-008-0
Wellcare Coordinated Care Dual Liberty Sync
☆☆☆☆☆
 $0 9850.00 $700 H0029-007-0
Wellpoint Dual Advantage
☆☆☆☆☆
 $6 9850.00 $700 H8849-016-0
Wellpoint Dual Advantage Plus
☆☆☆☆☆
 $6 9850.00 $700 H8849-017-0
Wellpoint Full Dual Advantage
☆☆☆☆☆
 $6 9850.00 $700 H8849-015-0
What is the total number of D-SNP plans in King County?

King County has 18 D-SNP plans for 2027, with 31,720 enrollees.

How much do D-SNP plans cost in King County?

The typical D-SNP premium in King County is $2.90, and 10 plans have no monthly premium.

I-SNP Plans (Institutional Special Needs Plans)

Institutional Special Needs Plans (I-SNPs) are Medicare Advantage plans for individuals in long-term or institutional care settings. Plan availability varies by county.

  • Total I-SNP Plans: 4
  • Average Monthly Premium: $20.08/mo
  • Beneficiaries Enrolled: 830
  • $0 Premium Plans: 2
  • Zero Cost Plans:
  • Top I-SNP by Enrollment: UHC Nursing Home Plan WA-F001 (I-SNP) — 564 enrollees
  • Plans without Drug Coverage: 0
I-SNP Medicare plan comparison – King County, Washington, 2027
Health Plan Name CMS Rating* Premium Per Mo Network
AgeRight Advantage Health Plan
☆☆☆☆☆
 $0 9850.00 $475 H1372-001-0
AgeRight Advantage Plus Health Plan
☆☆☆☆☆
 $74 6000.00 $300 H1372-002-0
UHC Care Advantage WA-E001
☆☆☆☆☆
 $6 4000.00 $270 H0710-030-0
UHC Nursing Home Plan WA-F001
☆☆☆☆☆
 $0 9850.00 $700 H0710-031-0
What is the total number of I-SNP plans in King County?

There are 4 I-SNP plans in 2027, covering 830 enrollees.

How much do I-SNP plans cost in King County?

The average I-SNP premium in King County is $20.08 per month, with 2 plans offering $0 premiums.

What is the most popular I-SNP plan in King County?

UHC Nursing Home Plan WA-F001 (I-SNP) is the top I-SNP in King County, with 564 enrollees.

What is the total number of I-SNP plans in King County?

There are 4 I-SNP plans in 2027, covering 830 enrollees.

C-SNP Plans (Chronic Condition Special Needs Plans)

Chronic Condition Special Needs Plans (C-SNPs) are a category of Medicare Advantage plans offered to beneficiaries with qualifying chronic conditions, as defined by CMS program rules.

  • Total C-SNP Plans 7
  • Average Monthly Premium $0.00/mo
  • Beneficiaries Enrolled 2,034
  • $0 Premium C-SNPs 7
  • Average MOOP $8,086
  • Most Popular C-SNP Humana Gold Plus - Diabetes and Heart (C-SNP) with 2,034 enrollees
  • C-SNPs Without Drug Coverage 0
C-SNP Medicare plan comparison – King County, Washington, 2027
Health Plan Name CMS Rating* Premium Per Mo Network
Aetna Medicare Chronic Care
☆☆☆☆☆
 $0 7150.00 $700 H3748-020-0
DEVOTED C-SNP ENHANCED 003 WA
☆☆☆☆☆
 $0 7050.00 $650 H3515-003-0
DEVOTED C-SNP GIVEBACK EXTRAS 004 WA
☆☆☆☆☆
 $0 8300.00 $700 H3515-004-0
DEVOTED C-SNP PLUS 005 WA
☆☆☆☆☆
 $0 9850.00 $650 H3515-005-0
Humana Gold Plus - Diabetes and Heart
☆☆☆☆☆
 $0 4550.00 $500 H1036-306-0
UHC Complete Care Support WA-1A
☆☆☆☆☆
 $0 9850.00 $230 H3805-049-0
UHC Complete Care Support WA-3A
☆☆☆☆☆
 $0 9850.00 $0 H3805-051-0
What is the average monthly premium for C-SNP plans in King County?
C-SNP plans in King County cost $0.00 per month.
Which C-SNP plan has the highest enrollment in King County?
The most popular C-SNP plan in King County is Humana Gold Plus - Diabetes and Heart (C-SNP), with 2,034 enrollees.
How many C-SNP plans are available in King County?
In 2027, King County offers 7 C-SNP plans with 2,034 enrollees.
Primary CMS datasets used for this Medicare Special Needs Plan county resource.
Data Source Publisher CMS Version
Landscape Source Files Centers for Medicare & Medicaid Services CY2027 Landscape (202609.1)
Medicare Part C & D Performance Centers for Medicare & Medicaid Services 2027 Star Ratings Data Tables
Plan Benefits Package Centers for Medicare & Medicaid Services PBP Benefits-2027
Monthly Enrollment by Contract/Plan/State/County Centers for Medicare & Medicaid Services 2026-09

This page presents county-level Medicare Special Needs Plans (SNP) data, including plan counts, enrollment totals, averages, and percentage distributions, derived from CMS datasets using a standardized aggregation approach.

Data sources and methodology documentation.

Secondary Medicare references and explanatory resources.
Publisher Reference Last Accessed
Medicare.gov Compare types of Medicare Advantage Plans 20 August, 2026
Medicare.gov Your coverage options 22 August, 2026
AARP.org The Big Choice: Original Medicare vs. Medicare Advantage 24 August, 2026

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