Windsor Health Plan, Inc. is a Medicare Advantage plan with a Medicare contract, and a Medicare-approved Part D Sponsor, whos ... e core purpose is to improve health and well being, peace of mind and financial security for our members when navigating health care coverage options. A partnership between Windsor Health Plan and Sterling Life Insurance Company since 2011, the organization can now provide more resources, member support and plan options for Medicare Advantage beneficiaries and is a leader in the provision of health care to Medicare- and Medicaid-eligible members seeking to enhance their quality of life. Windsor Health Plan manages government sponsored health plans and provides specialty managed care services to insurance providers and to health care providers. Windsor Health Plan is a division of Windsor Health Group, with corporate offices in Atlanta and operational offices in Nashville, Tenn. and Bellingham, Wash., as well as regional offices throughout the United States. read more