MA payer · 2 active contracts

EXCELLUS HEALTH PLAN, INC.

254,077

Total MA enrolled

Counties served

States served

Largest state

Top states by enrollment

1NY253,312
2FL513
3PA105
4SC67
5NC52
6MA17
7AZ11

Top counties

by single-county enrollment

Monroe, NY
HMO/HMOPOS · contract H3351
75,136
Erie, NY
HMO/HMOPOS · contract H3351
34,261
Onondaga, NY
Local PPO · contract H3335
17,567
Ontario, NY
HMO/HMOPOS · contract H3351
14,159
Oneida, NY
Local PPO · contract H3335
11,372
Wayne, NY
HMO/HMOPOS · contract H3351
11,134
Broome, NY
Local PPO · contract H3335
8,498
Niagara, NY
HMO/HMOPOS · contract H3351
7,411
Livingston, NY
HMO/HMOPOS · contract H3351
6,326
Chautauqua, NY
HMO/HMOPOS · contract H3351
4,784
Oswego, NY
Local PPO · contract H3335
4,715
Steuben, NY
Local PPO · contract H3335
4,310
Chemung, NY
Local PPO · contract H3335
3,674
Cayuga, NY
Local PPO · contract H3335
3,562
Herkimer, NY
Local PPO · contract H3335
3,432

Plan-type mix (enrollment)

HMO/HMOPOS

169,188 enrolled

Local PPO

84,889 enrolled

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