TRYNYTYhealth:enablement
MA Enrollment Explorer / New Jersey / Morris County

Medicare Advantage in Morris County, New Jersey

35,534 people in Morris County, New Jersey were enrolled in Medicare Advantage in October 2026, 33.1% of 107,278 eligible beneficiaries (−0.1 pts since October 2025). CVS Health Corporation is the largest parent organization with 40% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 3,103 (highly concentrated). For 2027, 1,940 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 40 to 35.

33.1%MA penetration, October 2026
35,534MA enrollees
40%leading parent's share
58.2%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in New Jersey

Parent organizations in Morris County

Parent organizationMembersChange since October 2025Share
CVS Health Corporation14,153−15140.0%
UnitedHealth Group, Inc.12,994−1,10236.7%
Humana Inc.3,558+1,43710.0%
Clover Health Holdings, Inc.1,979+5425.6%
Horizon Mutual Holdings, Inc1,785+3495.0%
Elevance Health, Inc.449−641.3%
Centene Corporation400−411.1%
Health Care Service Corporation61−1570.2%
Longevity Health Founders, LLC38new0.1%

CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.

Value-based care alongside MA

In PY 2024, 30,120 beneficiaries in Morris County were assigned to 157 Medicare Shared Savings Program ACOs, 58.2% of assignable Original Medicare beneficiaries. Together, roughly 72% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.