AARP Hearing Center
You don’t COLLECT Medicare - you collect Social Security -
Now if you are talking about Medicaid that covers medical cost and not Long Term Care - If you two live together in the same household or file your taxes as married filing joint - have assets and resources together - then they are gonna count your income and her income to assess eligibility for MEDICAID.
Check out the income/asset levels on how Medicaid works with Medicare based on the program. This list is pretty correct although some states don’t count any assets - states are the ones that design their Medicaid programs..
Medicare.gov - Medicare Savings Programs