Top Five Largest Medicaid Insurers Serve 50.1% Of Medicaid Population: OPEN MINDS Releases Update On Medicaid Managed Care Market Share Gettysburg, Pa, Jan. 27, 2020 (GLOBE NEWSWIRE) -- A new report by OPEN MINDS,  The 2020 OPEN MINDS Medicaid Managed Care Market Share Report, found that the five largest Medicaid insurers providing...