The contributions made by both you and your former employer to your Health Savings Account (HSA) will not be affected. The money accrued during your employment is yours to use towards qualified expenses when needed. However, individuals who choose to enroll in Medicare Part A and continue to work after 65 can no longer receive HSA contributions from their employer. It is important to note that any individual who plans to enroll in Medicare Part A must stop contributing to their HSA six months before enrollment.