Medicare Advantage in Guayanilla, Puerto Rico
4,420 people in Guayanilla, Puerto Rico were enrolled in Medicare Advantage in October 2026, 65.6% of 6,739 eligible beneficiaries (−1.9 pts since October 2025). MHH Healthcare, L.P. is the largest parent organization with 37% of reported enrollment; 3 parent organizations have 11 or more members and the HHI is 3,363 (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 22 to 23.
Parent organizations in Guayanilla
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| MHH Healthcare, L.P. | 1,649 | −34 | 37.3% |
| Elevance Health, Inc. | 1,455 | −273 | 33.0% |
| Guidewell Mutual Holding Corporation | 1,311 | +346 | 29.7% |
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 Guayanilla were assigned to 3 Medicare Shared Savings Program ACOs, 6.7% of assignable Original Medicare beneficiaries. Together, roughly 68% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.
