Medicare Advantage in Naguabo, Puerto Rico
4,640 people in Naguabo, Puerto Rico were enrolled in Medicare Advantage in October 2026, 84.2% of 5,512 eligible beneficiaries (−0.4 pts since October 2025). MHH Healthcare, L.P. is the largest parent organization with 60% of reported enrollment; 3 parent organizations have 11 or more members and the HHI is 4,389 (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.
Parent organizations in Naguabo
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| MHH Healthcare, L.P. | 2,761 | +190 | 59.6% |
| Elevance Health, Inc. | 1,078 | −13 | 23.3% |
| Guidewell Mutual Holding Corporation | 792 | +153 | 17.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 6 beneficiaries in Naguabo were assigned to 3 Medicare Shared Savings Program ACOs, 10.4% of assignable Original Medicare beneficiaries. Together, roughly 86% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.