Medicare Advantage in Chester County, PA, for 2027.
CMS lists 102 Medicare Advantage plans here for 2027, 3 more than 2026 (99). 36,872 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
9 plans with members in the county end or leave it, plus 80 with 10 or fewer members here. CMS moves 36 members to another plan, and 28,072 stay in the same plan.
| Plan | Insurer | Members | Why |
|---|---|---|---|
| Aetna Medicare Premier (HMO-POS) | CVS Health | 428 | Plan terminated |
| Personal Choice 65 Plus Rx (PPO) | Independence Health | 278 | Plan terminated |
| Aetna Medicare Enhanced (PPO) | CVS Health | 103 | Plan terminated |
| Jefferson Health Plans Flex Pro (PPO) | Thomas Jefferson University | 79 | Plan terminated |
| Community Blue Medicare PPO Signature (PPO) | Highmark Health | 29 | Plan leaves this county |
| Humana Gold Choice H8145-163 (PFFS) | Humana | 21 | Plan terminated |
| Humana Gold Choice H8145-055 (PFFS) | Humana | 18 | Plan terminated |
| Wellcare Patriot Giveback (HMO-POS) | Centene | 12 | Plan terminated |
| Aetna Medicare Advantra Signature (PPO) | CVS Health | 11 | Plan leaves this county |
Where CMS moves members
| 2026 plan | 2027 plan | Members |
|---|---|---|
| DEVOTED CHOICE PREMIUM 002 PA (PPO) | DEVOTED CHOICE 007 PA (PPO) | 24 |
| Wellcare Assist (HMO-POS) | Wellcare Simple (HMO-POS) | 12 |
Who holds the members
- Independence Health10,970
- CVS Health9,758
- UnitedHealth6,703
- Humana4,620
- Health Care Service1,243
- Elevance Health1,226
Individual Medicare Advantage members by parent company, October 2026.
Top rated plans sold here
- UHC Nursing Home Plan EX-F002 (PPO I-SNP)UnitedHealth5.0
- Aetna Medicare Advantra Premier (PPO)CVS Health4.5
- Aetna Medicare Advantra Signature Giveback (PPO)CVS Health4.5
- Aetna Medicare Elite (PPO)CVS Health4.5
- Complete Blue PPO Distinct (PPO)Highmark Health4.5
- Freedom Blue PPO Valor (PPO)Highmark Health4.5
- HumanaChoice - Diabetes and Heart (PPO C-SNP)Humana4.5
- UPMC for Life HMO No Rx (HMO)UPMC Health System4.5
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 102 plans, open each plan's benefits and star measures, and see what each insurer paid agents in 2026.
Open Chester 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 Pennsylvania 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.