TRYNYTYhealth:enablement
MA Enrollment Explorer / Puerto Rico / Cayey

Medicare Advantage in Cayey, Puerto Rico

10,552 people in Cayey, Puerto Rico were enrolled in Medicare Advantage in October 2026, 83.9% of 12,581 eligible beneficiaries (−0.4 pts since October 2025). MHH Healthcare, L.P. is the largest parent organization with 42% of reported enrollment; 3 parent organizations have 11 or more members and the HHI is 3,742 (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.

83.9%MA penetration, October 2026
10,552MA enrollees
42%leading parent's share
3.3%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Puerto Rico

Parent organizations in Cayey

Parent organizationMembersChange since October 2025Share
MHH Healthcare, L.P.4,455+51542.3%
Elevance Health, Inc.4,310−29140.9%
Guidewell Mutual Holding Corporation1,775+28416.8%

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

Value-based care alongside MA

In PY 2024, 9 beneficiaries in Cayey were assigned to 4 Medicare Shared Savings Program ACOs, 3.3% of assignable Original Medicare beneficiaries. Together, roughly 84% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.