It serves most of Androscoggin County, including Lewiston and Auburn, Maine and various small and medium-sized communities.

The hospital was established in the 1860s and officially incorporated in 1888 by Dr. Edward H. Hill, an alumnus of nearby Bates College and also Harvard Medical School.

The hospital campus includes several large parking facilities, a LifeFlight of Maine helipad.

Central Maine Healthcare runs two other hospitals, one in Bridgton and another in Rumford.

CMMC recently underwent major renovations to their emergency department.