Instructs the Secretary of Health and Human Services, in the case of certain military retirees and dependents, to provide for a special enrollment period during which such an individual may enroll under part B (Supplementary Medical Insurance) of title XVIII (Medicare) of the Social Security Act.

Prohibits an issuer of a Medicare supplemental (Medigap) policy, in the case of such an individual who seeks to enroll during such special enrollment period, from denying or conditioning the issuance or effectiveness of such a policy, or from discriminating in its pricing on the basis of the individual's health status, medical condition, claims experience, receipt of health care, medical history, genetic information, evidence of insurability, or disability.