What is the HAP market area?

The HMO market area includes the counties of the HAP nine county market area:

• Genesee
• Lapeer
• Livingston
• Macomb
• Monroe
• Oakland
• St. Clair
• Washtenaw
• Wayne

The PPO/EPO market area includes these 9 counties plus 15 more:

• Arenac
• Bay
• Clare
• Gladwin
• Gratiot
• Huron
• Iosco
• Isabella
• Midland
• Ogemaw
• Roscommon
• Saginaw
• Sanilac
• St. Clair
• Tuscola