Written by: Vanessa Jerusalimiec (*Amsive Digital) | Reviewed by: Shelley Wyant | *MHP partners with Amsive Digital on news content Medicare Late Enrollment Penalties Explained Most Americans enroll in Medicare at 65. Medicare helps pay for hospital and medical care, preventive care, prescription drugs, and other services to maintain your health and wellness. Enrolling in Medicare gives you great benefits, but there's a catch. If you don’t enroll in Medicare at 65, you could be s...