- Entity
- county:washington-grays-harbor-53027
- Digest
- 2027-county-ma-aggregate
- Population Scope
- Standard Medicare Advantage plans only; Special Needs Plans (SNPs) excluded
- Source URL
- https://www.medicareplans.com/medicare-advantage/washington/grays-harbor/
- Glossary Scope
- cms_landscape
- Fragment Scope
- semantic-digest
- Method
- https://webmem.com/protocol/serialization/html/
- fragment-county-plan-index
- Total Standard Medicare Advantage Plans
- 4
- PPO Plans
- 0
- HMO Plans
- 4
- HMO-POS Plans
- 0
- PFFS Plans
- 0
- Average Monthly Premium
- 136.75
- Average MOOP
- 4450
- Average Part D Deductible
- 0
- $0 Premium Plans
- 1
- Plans Without Part D Coverage
- 1
- Average CMS Star Rating
- 4.5
- $0 Premium Plan Share
- 25
- 5-Star Plan Share
- 0
- 4+ Star Plan Share
- 100
- 3-Star Plan Share
- 0
- Below 3-Star Plan Share
- 0
- Not-Rated Plan Share
- 0
- HMO Average Monthly Premium
- 136.75
- HMO Average MOOP
- 4450
- HMO Enrollment
- 324
- HMO $0 Premium Plans
- 1
- HMO Plans Without Part D Coverage
- 1
- Entity
- county:washington-grays-harbor-53027
- Digest
- 2027-county-ma-aggregate
- Population Scope
- Standard Medicare Advantage plans only; Special Needs Plans (SNPs) excluded
- Source URL
- https://www.medicareplans.com/medicare-advantage/washington/grays-harbor/
- Glossary Scope
- cms_landscape
- Fragment Scope
- semantic-digest
- Method
- https://webmem.com/protocol/serialization/html/
- fragment-washington-grays-harbor-53027-landscape-stats
- Plans Indexed
- 4
- Standard Medicare Advantage Plans
-
-
Kaiser Permanente Medicare Advantage Basic
H5050-001-0 -
Kaiser Permanente Medicare Advantage Essential
H5050-009-0 -
Kaiser Permanente Medicare Advantage Optimal
H5050-004-0 -
Kaiser Permanente Medicare Advantage Vital Sound
H5050-032-0
-
Kaiser Permanente Medicare Advantage Basic
- Total Standard Medicare Advantage Enrollment
- 324
2027 Medicare Advantage Plans in Grays Harbor County, WA
Last update: .
For 2027, Grays Harbor County, WA includes 4 Medicare Advantage plans. Enrollment across these plans totals approximately 324, with 1 $0 premium options and 100% rated 4 stars or higher.
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.
| Plan Name | CMS Stars* | Premium/Mo | MOOP | Rx Ded. | CMS ID |
|---|---|---|---|---|---|
| Kaiser Permanente Medicare Advantage Basic | $0 | $4,200 | N/A | H5050-001-0 | |
| Kaiser Permanente Medicare Advantage Essential | $119 | $3,950 | $0 | H5050-009-0 | |
| Kaiser Permanente Medicare Advantage Optimal | $373 | $3,150 | $0 | H5050-004-0 | |
| Kaiser Permanente Medicare Advantage Vital Sound | $55 | $6,500 | $0 | H5050-032-0 |
What is the total number of HMO plans offered in Grays Harbor?
There are 4 HMO plans in 2027, covering 324 enrollees.
How much do HMO plans cost in Grays Harbor?
The average HMO premium in Grays Harbor is $136.75 per month, with 1 plans offering $0 premiums.
What is the top HMO by enrollment in Grays Harbor?
Kaiser Permanente Medicare Advantage Vital Sound (HMO) is the top HMO in Grays Harbor, with 217 enrollees.
What is the number of HMO plans without Part D coverage in Grays Harbor?
1 HMO plans in Grays Harbor do not include prescription drug coverage.
CMS quality ratings for Medicare Advantage plans in Grays Harbor County, WA (2027) are summarized below.
| Rating Category | Number of Plans | Percent of Plans |
|---|---|---|
| 5 Stars | No 5-star plans available. | 0% |
| 4 Stars (includes 5 Stars) | 4 | 100% |
| 3 Stars | 0 | 0% |
| Below 3 Stars | 0 | 0% |
| Not Rated | 0 | 0% |
| Average Rating | 4.5 | |
* 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 Grays Harbor County, Washington, including communities such as Aberdeen, Cosmopolis, Elma, Hoquiam, McCleary, Montesano, Oakville, Ocean Shores, Westport, 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.