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Following is what the IRS allows as deductions on Schedule A as far as Medicare coverage.
If you are covered under social security (or if you are a government employee who paid Medicare tax), you are enrolled in Medicare A. The payroll tax paid for Medicare A is not a medical expense.
If you are not covered under social security (or were not a government employee who paid Medicare tax), you can voluntarily enroll in Medicare A. In this situation you can include the premiums you paid for Medicare A as a medical expense.
Medicare B is a supplemental medical insurance. Premiums you pay for Medicare B are a medical expense. If you applied for it at age 65 or after you became disabled, you can include in medical expenses the monthly premiums you paid. If you were over age 65 or disabled when you first enrolled, check the information you received from the Social Security Administration to find out your premium.
Medicare D is a voluntary prescription drug insurance program for persons with Medicare A or B. You can include as a medical expense premiums you pay for Medicare D.
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Thank you cdunham