MO HealthNet Managed Care operates in the following regions of the State of Missouri:

Eastern Region:
Franklin, Jefferson, Lincoln, Madison, Perry, Pike, St. Charles, St. Francois, Ste. Genevieve, St. Louis, Warren, and Washington counties and St. Louis City.
Central Region:
Adair, Andrew, Atchison, Audrain, Benton, Bollinger, Boone, Buchanan, Butler, Caldwell, Callaway, Camden, Cape Girardeau, Carroll, Carter, Chariton, Clark, Clinton, Cole, Cooper, Crawford, Daviess, DeKalb, Dent, Dunklin, Gasconade, Gentry, Grundy, Harrison, Holt, Howard, Iron, Knox, Laclede, Lewis, Linn, Livingston, Macon, Maries, Marion, Mercer, Miller, Mississippi, Moniteau, Monroe, Montgomery, Morgan, New Madrid, Nodaway, Osage, Pemiscot, Pettis, Phelps, Pulaski, Putnam, Ralls, Randolph, Reynolds, Ripley, Saline, Schuyler, Scotland, Scott, Shelby, Stoddard, Sullivan, Wayne and Worth counties.
Western Region:
Bates, Cass, Cedar, Clay, Henry, Jackson, Johnson, Lafayette, Platte, Polk, Ray, St. Clair, and Vernon counties.
Southwest Expansion:
Barry, Barton, Christian, Dade, Dallas, Douglas, Greene, Hickory, Howell, Jasper, Lawrence, McDonald, Newton, Oregon, Ozark, Shannon, Stone, Taney, Texas, Webster and Wright counties.

View regions map and the MO HealthNet Managed Care Health Plans in each region.