Should my mom with low income be paying medical deductions?

My mom is 76 years old, lives on her own and brings in about $932 in monthly income from Social Security and "alimony". As I was balacing her checkbook I noticed that this year alone she's paid $280 in deducibles to the local clinic. Is this right? It seems to me that between medicare and (Wisconsin) medicaid everything should be covered at her level of income.