Medicare Advantage in Whatcom County, WA, for 2027.
CMS lists 28 Medicare Advantage plans here for 2027, 17 fewer than 2026 (45). 25,172 people in the county had an individual Medicare Advantage plan in October 2026.
Sources: CMS CY2027 plan file (October 2026 release), CMS CY2026 plan file (September 2026 release), CMS enrollment by county (CPSC), October 2026, CMS 2027 Plan Crosswalk (October 1, 2026), CMS 2027 Star Ratings Data Tables (October 8, 2026). Member counts are floors because CMS hides counts of 10 or fewer.
The county in numbers
Plans that end here for 2027
18 plans with members in the county end or leave it, plus 54 with 10 or fewer members here. CMS moves 0 members to another plan, and 5,095 stay in the same plan.
| Plan | Insurer | Members | Why |
|---|---|---|---|
| Wellcare Simple (HMO-POS) | Centene | 4,070 | Plan terminated |
| AARP Medicare Advantage Extras from UHC WA-14 (HMO-POS) | UnitedHealth | 3,325 | Plan leaves this county |
| Kaiser Permanente Medicare Advantage Harbor (HMO) | Kaiser Foundation Health Plan | 2,434 | Plan terminated |
| Kaiser Permanente Medicare Advantage Anchor (HMO) | Kaiser Foundation Health Plan | 2,383 | Plan terminated |
| AARP Medicare Advantage Essentials from UHC WA-6 (HMO-POS) | UnitedHealth | 1,446 | Plan leaves this county |
| AARP Medicare Advantage from UHC WA-12 (PPO) | UnitedHealth | 915 | Plan terminated |
| Wellcare Giveback (HMO-POS) | Centene | 343 | Plan terminated |
| AARP Medicare Advantage from UHC WA-0003 (PPO) | UnitedHealth | 297 | Plan terminated |
| UHC Complete Care WA-13 (HMO-POS C-SNP) | UnitedHealth | 235 | Plan terminated |
| AARP Medicare Advantage from UHC WA-16 (PPO) | UnitedHealth | 222 | Plan terminated |
Who holds the members
- UnitedHealth9,418
- Kaiser Foundation Health Plan6,530
- Centene4,689
- Humana2,406
- Molina Healthcare926
- CVS Health669
Individual Medicare Advantage members by parent company, October 2026.
Top rated plans sold here
- UHC Care Advantage WA-E001 (PPO I-SNP)UnitedHealth5.0
- UHC Nursing Home Plan WA-F001 (PPO I-SNP)UnitedHealth5.0
- AARP Medicare Advantage Patriot No RX WA-MA3 (PPO)UnitedHealth4.5
- AARP Medicare Advantage from UHC WA-18 (PPO)UnitedHealth4.5
- Humana Gold Plus - Diabetes and Heart (HMO C-SNP)Humana4.5
- Humana USAA Honor Giveback (PPO)Humana4.5
- HumanaChoice H7617-016 (PPO)Humana4.5
- UHC Dual Advantage WA-V2 (PPO D-SNP)UnitedHealth4.5
2027 overall Star Rating, 4.5 or more. Each plan's measure stars are in the county lookup.
See every plan, premium and copay in the free lookup.
Sort all 28 plans, open each plan's benefits and star measures, and see what each insurer paid agents in 2026.
Open Whatcom in the lookupWorking this county for AEP?
The AEP 2027 County Kit puts this county and your others in one file: the plans that end, where members land, what is still sold and a crosswalk sheet, with every number tied to its CMS file.
See the AEP 2027 County KitAll Washington county pages. Facts from public CMS files, prepared by Health and Tech Now. Not plan advice. Check a plan's Summary of Benefits before you enroll.