MA Enrollment Explorer / Parent organizations / Henry Ford Health System
Henry Ford Health System: Medicare Advantage enrollment and market share
Henry Ford Health System had 135,914 Medicare Advantage members in October 2026, #27 nationally with 0.37% of all MA enrollment. It gained 43,643 members (+47.3%) since October 2025, and has enrollment in 1 state and 58 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it gained 38,346 members (+41.4%). For 2027, 0 of its members are in plans that terminate and 28 in plans leaving their county. Among members who stay, 0 lose a Part B giveback and 24,794 an OTC allowance.
136KMA members, October 2026
+47.3%change since October 2025 (+43,643)
0.37%national MA share, rank 27
4contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Michigan | 135,748 | 9.2% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Wayne County, MI | 30,856 | +5,023 | 13.5% |
| Oakland County, MI | 21,397 | +5,769 | 13.8% |
| Macomb County, MI | 20,802 | +5,805 | 17.3% |
| Genesee County, MI | 11,876 | +2,683 | 17.6% |
| Saginaw County, MI | 6,216 | +2,290 | 18.7% |
| St. Clair County, MI | 3,769 | +2,313 | 14.0% |
| Muskegon County, MI | 3,346 | +1,240 | 10.1% |
| Bay County, MI | 3,014 | +1,057 | 16.1% |
| Lapeer County, MI | 2,981 | +1,205 | 20.6% |
| Tuscola County, MI | 2,471 | +719 | 24.7% |
| Livingston County, MI | 2,430 | +745 | 9.0% |
| Jackson County, MI | 2,217 | +910 | 9.3% |
| Monroe County, MI | 2,116 | +634 | 8.9% |
| Washtenaw County, MI | 2,047 | +661 | 4.9% |
| Shiawassee County, MI | 1,636 | +596 | 13.7% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H2354 Health Alliance Plan by Henry Ford Health | HMO/HMOPOS | 67,519 | 69,635 | 88,174 |
| H2322 Health Alliance Plan by Henry Ford Health | Local PPO | 11,639 | 17,024 | 40,900 |
| H4193 HAP CareSource MI Coordinated Health | HMO/HMOPOS | n/a | n/a | 4,450 |
| H2318 PACE Southeast Michigan | National PACE | 1,810 | 2,150 | 2,390 |
| H9712 HAP CareSource MI Health Link | Medicare-Medicaid Plan HMO/HMOPOS | 3,850 | 3,462 | n/a |
Star ratings for these contracts are in the MA Quality Dashboard.