Part A of Medicare is automatic on enrollment for the following individuals EXCEPT:

a. All people age 65 and over, if entitled to (a) monthly Social Security benefits, or (b) pensions under the Railroad Retirement Act.
b. Some spouses may receive Medicare benefits derived strictly from their eligible spouse's work credits.
c. Children may receive Medicare benefits derived strictly from their eligible parent.
d. Using the eligible spouse's social security number with the appropriate letter behind it designates that benefits are based on the eligible spouse.

C