The Mid-Atlantic Medical Services, LLC (MAMSI) and UnitedHealth Group merger, effective February 10, 2004, expands our health care services offerings to groups and individuals in Maryland, Washington D.C., Virginia, Delaware and West Virginia.

Visit the MAMSI Web site link below to access patient claim and benefit information for our health plans in the Mid-Atlantic region, including:

  • MD-Individual Practice Association, Inc. (M.D. IPA)
  • Optimum Choice, Inc. (Optimum Choice)
  • MAMSI Life and Health Insurance Company (MLH).