Map of Ohio counties covered by Humana Medicaid
Region 1 (West) counties include:
Adams, Allen, Auglaize, Brown, Butler, Champaign, Clark, Clermont, Clinton, Crawford, Darke, Defiance, Fulton, Greene, Hamilton, Hancock, Hardin, Henry, Highland, Logan, Lucas, Marion, Mercer, Miami, Montgomery, Ottawa, Paulding, Preble, Putnam, Sandusky, Seneca, Shelby, Van Wert, Warren, Williams, Wood, Wyandot
Region 2 (Northeast) counties include:
Ashland, Ashtabula, Carroll, Columbiana, Coshocton, Cuyahoga, Erie, Holmes, Geauga, Harrison, Huron, Jefferson, Knox, Lake, Lorain, Mahoning, Medina, Portage, Richland, Stark, Summit, Trumbull, Tuscarawas, Wayne
Region 3 (Central/Southeast) counties include:
Athens, Belmont, Delaware, Fairfield, Fayette, Franklin, Gallia, Guernsey, Hocking, Jackson, Lawrence, Licking, Madison, Meigs, Monroe, Morgan, Morrow, Muskingum, Noble, Perry, Pickaway, Pike, Ross, Scioto, Union, Vinton, Washington