MA Enrollment Explorer / Parent organizations / Health First Shared Services, Inc.
Health First Shared Services, Inc.: Medicare Advantage enrollment and market share
Health First Shared Services, Inc. had 37,194 Medicare Advantage members in October 2026, #69 nationally with 0.10% of all MA enrollment. It gained 3,794 members (+11.4%) since October 2025, and has enrollment in 1 state and 12 counties with 11 or more members, leading the market in 1 of them. In the 2026 Annual Election Period (December to February) it gained 3,133 members (+9.4%). For 2027, 1,467 of its members are in plans that terminate and 481 in plans leaving their county, and it leaves 8 counties entirely.
37KMA members, October 2026
+11.4%change since October 2025 (+3,794)
0.10%national MA share, rank 69
1contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Florida | 37,144 | 1.2% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Brevard County, FL | 28,519 | +1,553 | 30.2% |
| Volusia County, FL | 4,553 | +872 | 4.3% |
| Flagler County, FL | 1,336 | +284 | 5.0% |
| Indian River County, FL | 815 | +108 | 3.0% |
| Orange County, FL | 629 | +413 | 0.4% |
| Highlands County, FL | 457 | −24 | 2.0% |
| Seminole County, FL | 379 | +229 | 0.8% |
| Lake County, FL | 178 | +110 | 0.2% |
| Osceola County, FL | 146 | new | 0.3% |
| Polk County, FL | 61 | new | 0.0% |
| Pasco County, FL | 47 | new | 0.0% |
| Hardee County, FL | 24 | −3 | 0.8% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H1099 Health First Health Plans, Inc. | HMO/HMOPOS | 32,421 | 33,400 | 37,194 |
Star ratings for these contracts are in the MA Quality Dashboard.