TRYNYTYhealth:enablement
MA Enrollment Explorer / Puerto Rico / Maunabo

Medicare Advantage in Maunabo, Puerto Rico

2,742 people in Maunabo, Puerto Rico were enrolled in Medicare Advantage in October 2026, 83.8% of 3,273 eligible beneficiaries (−0.5 pts since October 2025). Elevance Health, Inc. is the largest parent organization with 45% of reported enrollment; 3 parent organizations have 11 or more members and the HHI is 4,066 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 20 to 21.

83.8%MA penetration, October 2026
2,742MA enrollees
45%leading parent's share
20.8%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Puerto Rico

Parent organizations in Maunabo

Parent organizationMembersChange since October 2025Share
Elevance Health, Inc.1,241−8445.4%
MHH Healthcare, L.P.1,187+14343.4%
Guidewell Mutual Holding Corporation308+8011.3%

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

Value-based care alongside MA

In PY 2024, 4 beneficiaries in Maunabo were assigned to 2 Medicare Shared Savings Program ACOs, 20.8% of assignable Original Medicare beneficiaries. Together, roughly 87% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.