7500 Security Boulevard
Baltimore, Maryland 21244
1-800-633-4227
Medicare is a Federal Government health insurance program that is administered by the Centers for Medicare & Medicaid Services (CMS). Medicare is health insurance for people age 65 or older, under age 65 with certain disabilities, and people of any age with End-Stage Renal Disease. Medicare is divided into four parts - Parts A, B, C, and D.