Yes, and that outcome, while harsh, is within the judge's authority. That is the part that catches most families off guard.
When a judge grants probation, they are suspending a sentence that was already calculated and ready to be imposed. The probation conditions, including mandatory mental health treatment, are not suggestions. They are the specific terms under which that suspended sentence stays suspended. When any condition gets violated, even one that does not involve a new crime, the judge has the legal authority to revoke probation and impose any portion of that original suspended sentence, up to and including all of it.
Four years for missing mental health appointments feels disproportionate from the outside, and it may well be. But the judge's perspective is different. They already made an accommodation by granting probation in the first place. They included mental health treatment because they believed it was necessary for successful reintegration. Having that specific condition ignored tells the judge that the leniency they extended was not taken seriously, and some judges respond to that with the full weight of what they had the authority to impose all along.
The silver lining, if there is one, is that mental health conditions are among the more sympathetic violations when it comes to arguing for a reduced sentence or modified probation terms. An attorney who can document the underlying mental health struggles, demonstrate that treatment was genuinely needed but not adequately accessed, and propose a concrete plan for compliance going forward has a real argument to make in front of that judge.
The harder truth is that this could have been avoided. Whatever the barriers were to getting to those appointments, they needed to be communicated to the probation officer before the violation, not explained to a judge after. Going forward, if probation is reinstated, any problem with compliance needs to go to the probation officer immediately and in writing. Proactive communication is what keeps a judge from making the same decision twice.