Medicare Advantage in Rio Grande, Puerto Rico
9,298 people in Rio Grande, Puerto Rico were enrolled in Medicare Advantage in October 2026, 97.7% of 9,520 eligible beneficiaries (+0.8 pts since October 2025). MHH Healthcare, L.P. is the largest parent organization with 53% of reported enrollment; 3 parent organizations have 11 or more members and the HHI is 4,153 (highly concentrated). For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 21 to 22.
Parent organizations in Rio Grande
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| MHH Healthcare, L.P. | 4,910 | +608 | 52.9% |
| Elevance Health, Inc. | 3,218 | −365 | 34.7% |
| Guidewell Mutual Holding Corporation | 1,157 | +135 | 12.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 17 beneficiaries in Rio Grande were assigned to 8 Medicare Shared Savings Program ACOs, 15.2% of assignable Original Medicare beneficiaries. Together, roughly 98% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.