Service Areas
AmeriHealth Caritas Ohio serves members in all of the counties that make up these three regions across Ohio:
Counties in the Central/Southeast Region
- Athens
 - Belmont
 - Coshocton
 - Crawford
 - Delaware
 - Fairfield
 - Fayette
 - Franklin
 - Gallia
 - Guernsey
 - Harrison
 - Hockin
 
- Jackson
 - Jefferson
 - Knox
 - Lawrence
 - Licking
 - Logan
 - Madison
 - Marion
 - Meigs
 - Monroe
 - Morgan
 
- Morrow
 - Muskingum
 - Noble
 - Perry
 - Pickaway
 - Pike
 - Ross
 - Scioto
 - Union
 - Vinton
 - Washington
 
Counties in the Northeast Region
- Ashland
 - Ashtabula
 - Carroll
 - Columbiana
 - Cuyahoga
 - Erie
 - Geauga
 
- Holmes
 - Huron
 - Lake
 - Lorain
 - Mahoning
 - Medina
 - Portage
 
- Richland
 - Stark
 - Summit
 - Trumbull
 - Tuscarawas
 - Wayne
 
Counties in the West Region
- Adams
 - Allen
 - Auglaize
 - Brown
 - Butler
 - Champaign
 - Clark
 - Clermont
 - Clinton
 - Darke
 - Defiance
 - Fulton
 
- Greene
 - Hamilton
 - Hancock
 - Hardin
 - Henry
 - Highland
 - Lucas
 - Mercer
 - Miami
 - Montgomery
 - Ottawa
 
- Paulding
 - Preble
 - Putnam
 - Sandusky
 - Seneca
 - Shelby
 - Van Wert
 - Warren
 - Williams
 - Wood
 - Wyandot