Medicare Advantage in Mercer County, PA, for 2027.
CMS lists 82 Medicare Advantage plans here for 2027, 5 fewer than 2026 (87). 20,946 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
5 plans with members in the county end or leave it, plus 28 with 10 or fewer members here. CMS moves 2,612 members to another plan, and 15,618 stay in the same plan.
| Plan | Insurer | Members | Why |
|---|---|---|---|
| UPMC for Life PPO Rx Choice (PPO) | UPMC Health System | 552 | Plan leaves this county |
| AARP Medicare Advantage from UHC PA-0011 (PPO) | UnitedHealth | 84 | Plan leaves this county |
| HealthSpring Preferred (HMO) | Health Care Service | 80 | Plan terminated |
| Provider Partners Pennsylvania Community Plan (HMO I-SNP) | Rifkin Managed Care Holding | 22 | Plan terminated |
| HealthSpring True Choice (PPO) | Health Care Service | 12 | Plan leaves this county |
Where CMS moves members
| 2026 plan | 2027 plan | Members |
|---|---|---|
| Complete Blue PPO Signature (PPO) | Complete Blue PPO Signature (PPO) | 1,732 |
| UPMC for Life Complete Care (HMO D-SNP) | UPMC for Life Complete Care (HMO D-SNP) | 880 |
| Wellcare Assist (HMO-POS) | Wellcare Simple (HMO-POS) | 10 or fewer |
Who holds the members
- CVS Health8,298
- UPMC Health System5,250
- Highmark Health4,600
- UnitedHealth1,830
- Humana563
- Centene100
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 Signature Giveback (PPO)CVS Health4.5
- Aetna Medicare Premier Plus (PPO)CVS Health4.5
- Community Blue Medicare HMO Signature (HMO)Highmark Health4.5
- Complete Blue HMO Distinct (HMO)Highmark Health4.5
- Complete Blue PPO Distinct (PPO)Highmark Health4.5
- Complete Blue PPO Merit (PPO)Highmark Health4.5
- Complete Blue PPO Signature (PPO)Highmark Health4.5
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 82 plans, open each plan's benefits and star measures, and see what each insurer paid agents in 2026.
Open Mercer 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.