A bill to provide for a special enrollment period, and the elimination of the enrollment premium penalty, for certain military retirees and Federal civilian retirees under title XVIII of the Social Security Act.

Authorizes any individual to enroll in the Medicare program (title XVIII of the Social Security Act) under either part A (Hospital Insurance) or part B (Supplementary Medical Insurance) who as of January 1, 1983: (1) is a military or Federal civilian retiree and is 65 years of age or older; (2) is not entitled to benefits under part A; and (3) is eligible under part A under provisions which authorize eligibility for uninsured individuals not otherwise eligible or is eligible under part B to enroll under part A or B.

Eliminates the late enrollment premium penalty for any individual who enrolled under the provisions of this Act.

Provides for a special enrollment period of three months for individuals covered by this Act.