St Francis Health System & St John Health System: Medicare Advantage counties in 2026 and 2027
In the CMS landscape files for the 50 states and DC, St Francis Health System & St John Health System offers Medicare Advantage plans (with or without drug coverage, excluding Special Needs Plans) in 40 counties for 2027, compared with 38 in 2026.
| State | Counties 2026 | Counties 2027 | Change |
|---|---|---|---|
| Oklahoma | 38 | 40 | +2 |
Sources
- Centers for Medicare & Medicaid Services, CY2027 Medicare Advantage and Part D Landscape file (data last updated 18 October 2026)
- Centers for Medicare & Medicaid Services, CY2026 Medicare Advantage and Part D Landscape file (September 2026 release)
Checked 29 October 2026. Plans and premiums can change before 1 January 2027. Confirm any plan on Medicare.gov before you enrol.