MA Enrollment Explorer / Parent organizations / MHH Healthcare, L.P.
MHH Healthcare, L.P.: Medicare Advantage enrollment and market share
MHH Healthcare, L.P. had 380,150 Medicare Advantage members in October 2026, #12 nationally with 1.0% of all MA enrollment. It gained 30,379 members (+8.7%) since October 2025, and has enrollment in 4 states and 109 counties with 11 or more members, leading the market in 64 of them. In the 2026 Annual Election Period (December to February) it gained 15,311 members (+4.3%). For 2027, 0 of its members are in plans that terminate and 47 in plans leaving their county.
380KMA members, October 2026
+8.7%change since October 2025 (+30,379)
1.0%national MA share, rank 12
2contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Puerto Rico | 360,181 | 52.8% |
| Oklahoma | 19,540 | 5.5% |
| Florida | 35 | 0.0% |
| Massachusetts | 11 | 0.0% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| San Juan, PR | 30,080 | +2,764 | 49.9% |
| Bayamon, PR | 18,055 | +827 | 46.6% |
| Caguas, PR | 15,630 | +797 | 58.0% |
| Carolina, PR | 14,681 | +1,316 | 48.1% |
| Ponce, PR | 12,728 | +1,160 | 40.9% |
| Mayaguez, PR | 11,605 | +1,131 | 67.6% |
| Arecibo, PR | 10,329 | +137 | 49.2% |
| Humacao, PR | 9,484 | +1,483 | 74.7% |
| Aguadilla, PR | 8,253 | +118 | 69.4% |
| Toa Baja, PR | 8,134 | +903 | 53.6% |
| Guaynabo, PR | 7,865 | +1,054 | 48.3% |
| Aguada, PR | 7,376 | +464 | 82.2% |
| San Sebastian, PR | 6,930 | −53 | 69.4% |
| Vega Baja, PR | 6,706 | +365 | 57.9% |
| Toa Alta, PR | 6,297 | +718 | 54.1% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H5577 MCS Classicare | HMO/HMOPOS | 284,055 | 332,942 | 360,519 |
| H3706 GlobalHealth | HMO/HMOPOS | 14,521 | 16,829 | 19,631 |
Star ratings for these contracts are in the MA Quality Dashboard.