TRYNYTYhealth:enablement
MA Enrollment Explorer / Maryland / Caroline County

Medicare Advantage in Caroline County, Maryland

1,834 people in Caroline County, Maryland were enrolled in Medicare Advantage in October 2026, 23.8% of 7,697 eligible beneficiaries (+0.8 pts since October 2025). CareFirst, Inc. is the largest parent organization with 36% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 2,800 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 93 members here are in plans that terminate or leave the county. MA plans offered go from 12 to 12.

23.8%MA penetration, October 2026
1,834MA enrollees
36%leading parent's share
10.1%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Maryland

Parent organizations in Caroline County

Parent organizationMembersChange since October 2025Share
CareFirst, Inc.657+9136.4%
Humana Inc.609+4133.8%
LifeBridge Health, Inc.267+4314.8%
UnitedHealth Group, Inc.155−628.6%
CVS Health Corporation11606.4%

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

Value-based care alongside MA

In PY 2024, 450 beneficiaries in Caroline County were assigned to 29 Medicare Shared Savings Program ACOs, 10.1% of assignable Original Medicare beneficiaries. Together, roughly 32% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.