Medicare Advantage in Santa Isabel, Puerto Rico
3,905 people in Santa Isabel, Puerto Rico were enrolled in Medicare Advantage in October 2026, 84.3% of 4,631 eligible beneficiaries (+0.8 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 3,538 (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 21 to 22.
Parent organizations in Santa Isabel
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Elevance Health, Inc. | 1,754 | −283 | 45.0% |
| MHH Healthcare, L.P. | 1,088 | −30 | 27.9% |
| Guidewell Mutual Holding Corporation | 1,055 | +559 | 27.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 2 beneficiaries in Santa Isabel were assigned to 1 Medicare Shared Savings Program ACOs, 5.8% of assignable Original Medicare beneficiaries. Together, roughly 85% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.