December 03, 2019 19:12 Updated Follow Yes. If you are on Medicare Part B or D, the annual letter from Social Security is enough proof for reimbursement. Related articles Can my retiree health reimbursement account be used to reimburse me for the cost of insurance premiums for coverage provided on the ACA exchange (the “Marketplace”)? Will my INPRS benefits be reduced once I start getting Social Security? If I have an interruption in state service 2 years from now with an HRA balance of several thousand dollars in my account and I return 3 years later, what happens when I later receive an unreduced retirement benefit & have more than 15 years of service? What happens to the funds in my health reimbursement account if I am a retired participant and I do not submit any reimbursement claims for 6 months, a year, 5 years, or even longer? What happens to my health reimbursement account if I leave state employment before I retire?