No. Neither you or your mother will get into trouble as long as she does not claim you as a dependent. If you made more than $9k and lived in another state, then she probably should not claim you because you probably provided more than half your support. Also you did not live with her for more than half the year.
The IRS has an app to help figure out who should be claimed as a dependent.
Health insurance would only matter is your mother had a marketplace plan and received a Form 1095-A with an advanced premium tax credit. In that case, she would have to split the cost between you and her. She does not have to assign any of the cost to you.
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