Any Negatives for Applying for Medicaid While Also Dependent?

I am working with a woman who only makes about $800/mo SS, who should easily qualify for Medicaid in addition to her Medicare. Her dtr claims her as dependent, which is something like $3,900 tax deduction from fed income taxes. Of course, I mentioned that the Part B premium savings is over $1,200/yr, plus less out of pocket on the other stuff (mother is VERY HEALTHY). Is there anything that I'm leaving out? The dtr thinks that there might be some long term consequences. I turned the dtr on to an elder atty website that implies that the dtr could STILL use the mother as dependent since sh

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