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We seamlessly integrate with your local Trinity Health-affiliated health care system to provide you with the best care, right where you are.
See our coverage area
We proudly serve select counties across Idaho, Iowa, Michigan, New York and Ohio. Select a state below to see which counties we cover.
Saint Alphonsus Health Plan is currently available to Medicare beneficiaries residing in the following counties:
- Ada
- Adams
- Boise
- Canyon
- Elmore
- Gem
- Owyhee
- Payette
- Valley
- Washington
Important Information About 2027 Medicare Coverage
Saint Alphonsus Health Plan will no longer offer Medicare Advantage plans in 2027. Members enrolled in Saint Alphonsus Health Plan can learn more about their coverage options, important deadlines and available resources on our 2027 Coverage Information page.
MercyOne Health Plan is currently available to Medicare beneficiaries residing in the following counties:
- Adair
- Adams
- Appanoose
- Benton
- Black Hawk
- Boone
- Bremer
- Buchanan
- Butler
- Cedar
- Cerro Gordo
- Chickasaw
- Clarke
- Clayton
- Clinton
- Dallas
- Decatur
- Delaware
- Fayette
- Floyd
- Franklin
- Greene
- Grundy
- Guthrie
- Hamilton
- Hancock
- Hardin
- Henry
- Humboldt
- Iowa
- Jackson
- Jasper
- Jefferson
- Jones
- Keokuk
- Kossuth
- Louisa
- Lucas
- Madison
- Mahaska
- Marion
- Marshall
- Mitchell
- Monroe
- Muscatine
- Polk
- Poweshiek
- Ringgold
- Scott
- Tama
- Union
- Warren
- Washington
- Wayne
- Winnebago
- Worth
- Wright
Trinity Health Plan of Michigan is currently available to Medicare beneficiaries residing in the following counties:
- Clinton
- Eaton
- Genesee
- Gratiot
- Ingham
- Ionia
- Kent
- Lake
- Lapeer
- Livingston
- Macomb
- Mason
- Mecosta
- Monroe
- Montcalm
- Muskegon
- Newaygo
- Oakland
- Oceana
- Osceola
- Ottawa
- Sanilac
- Tuscola
- Washtenaw
- Wayne
Mount Carmel MediGold is currently available to Medicare beneficiaries residing in the following counties:
Central Ohio
- Clinton
- Coshocton
- Delaware
- Fairfield
- Fayette
- Franklin
- Gallia
- Guernsey
- Harrison
- Highland
- Hocking
- Holmes
- Jackson
- Knox
- Licking
- Logan
- Madison
- Meigs
- Monroe
- Morgan
- Muskingum
- Noble
- Perry
- Pickaway
- Pike
- Richland
- Ross
- Union
- Vinton
- Washington
Southwest Ohio
- Adams
- Auglaize
- Brown
- Butler
- Champaign
- Clark
- Clermont
- Darke
- Greene
- Hamilton
- Miami
- Montgomery
- Preble
- Shelby
- Warren
Northwest Ohio
Important: Mount Carmel MediGold plans will no longer be offered in Northwest Ohio counties after December 31, 2026. Members residing in Northwest Ohio counties can learn more about their coverage options, important deadlines and available resources on our 2027 Coverage Information page.
- Allen
- Crawford
- Defiance
- Fulton
- Hancock
- Hardin
- Henry
- Lucas
- Mercer
- Morrow
- Ottawa
- Paulding
- Putnam
- Seneca
- Van Wert
- Wood
- Wyandot