MA payer · 1 active contracts

HIGHMARK SENIOR HEALTH COMPANY

235,332

Total MA enrolled

452

Counties served

States served

Largest state

Top states by enrollment

1PA199,713
2OH7,947
3AL3,278
4NC2,783
5WV2,472
6VA2,408
7FL1,995
8TN1,868
9KS1,670
10KY1,570
11TX1,264
12NY1,260
13NE953
14IL873
15SC783

Top counties

by single-county enrollment

Allegheny, PA
Local PPO · contract H3916
32,823
Lancaster, PA
Local PPO · contract H3916
16,098
Westmoreland, PA
Local PPO · contract H3916
14,318
York, PA
Local PPO · contract H3916
11,835
Washington, PA
Local PPO · contract H3916
7,834
Berks, PA
Local PPO · contract H3916
7,216
Cumberland, PA
Local PPO · contract H3916
7,140
Butler, PA
Local PPO · contract H3916
7,112
Lehigh, PA
Local PPO · contract H3916
7,048
Erie, PA
Local PPO · contract H3916
6,748
Dauphin, PA
Local PPO · contract H3916
6,706
Beaver, PA
Local PPO · contract H3916
6,362
Centre, PA
Local PPO · contract H3916
6,142
Lebanon, PA
Local PPO · contract H3916
5,324
Northampton, PA
Local PPO · contract H3916
4,422

Plan-type mix (enrollment)

Local PPO

235,332 enrolled

Source: CMS Monthly MA Enrollment by State/County/Contract (May 2026, abridged). Enrollment counts ≤ 10 are excluded from the source file (HIPAA suppression).