How is Medicare Advantage developing in Pennsylvania?
Data through February 2026 · Updated June 15, 2026
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Pennsylvania's MA penetration is 57.8% — below the 57.8% national share by 0 points, ranking 22 of 52 with 1.876M MA enrollees of 3.245M Medicare beneficiaries as of February 2026.
#22
National rank (of 52)
February 2026
1.876M
MA enrollees
February 2026
14.3%
Dual-eligible share of Medicare
2025 Q4
Tracked counties in Pennsylvania — drill down
County table with momentum
| County | Penetration | YoY pts | D-SNP % | Carriers | Top carrier |
|---|---|---|---|---|---|
| Philadelphia | 62.1% | +0.9 | 32% | 6 | Centene |
| Allegheny | 58.4% | +0.87 | 20% | 6 | Highmark |
| Beaver | 56.8% | +0.87 | 17% | 3 | Highmark |
| Montgomery | 54.8% | +0.87 | 14% | 5 | Aetna |
| Bucks | 52.6% | +0.87 | 13% | 4 | Highmark |
| Chester | 51.2% | +0.8 | 12% | 4 | Aetna |
| Erie | 49.8% | +0.87 | 18% | 3 | Highmark |
| Crawford | 44.2% | +0.8 | 16% | 2 | Highmark |
Tracked carrier positions in Pennsylvania
| Carrier | Enrollment (K) | Plans | Stars | YoY trend | Note |
|---|---|---|---|---|---|
| BCBS | 342 | 6 | 4 | +2.8% | Highmark dominates Western PA; IBX in Eastern PA |
| UHC | 298 | 8 | 4 | +3.2% | Strong growth in suburban Philadelphia and Pittsburgh |
| Aetna | 186 | 5 | 4 | +2.1% | Philadelphia metro strength |
| Centene | 112 | 4 | 3 | +12.4% | Gaining in Philadelphia and Pittsburgh via $0 premium |
| Humana | 74 | 3 | 3.5 | -8.2% | Contracting in select PA markets; exiting some Western PA counties |
Carrier coverage is the curated major-carrier extract (March 2026) — not all carriers in the state.
Sales playbook one-pager
↓ Download the Pennsylvania sales playbook (PNG): a branded snapshot of penetration, runway class, carrier positions, D-SNP gap, and contestable members for this state. Runway class and score are a MedicareInsights modeled index, never citable as CMS data; source vintages are printed on the image.
So what / Now what
Pennsylvania is a switcher market — expansion means winning members from incumbent MA plans on benefits, network, and brand.
- Compare against neighboring states on the national table.
- Drill into the county table above; velocity, D-SNP share, and top-carrier columns show where and how growth is happening.
- Check 2026 plan exits for orphaned membership contestable in this market.
- Sales teams: see where this state ranks on the growth runway index and which competitive facts apply on the carrier battlecards.
Provenance — MA enrollment & penetration by state
- Source file
- CMS Medicare Monthly Enrollment (data.cms.gov, public API)
- Vintage
- February 2026
- Last updated
- June 15, 2026
- Refresh cadence
- Monthly (CMS publishes ~3 months in arrears)
- Method
- State-level rows pulled from the Medicare Monthly Enrollment API; MA share = MA_AND_OTH_BENES / TOT_BENES. Refreshed via automated pipeline from the CMS public API.
- Known limitations
- Penetration here is share of all Medicare beneficiaries (Parts A and/or B), not the KFF eligible-only basis, which runs ~4pts higher.