Is it too early to stop OT?

My son started taking OT at 15 months old and made great improvements. Because his motor skills are now caught up and most of our original goals were met his OT felt like he could leave early intervention and now he is out of the program. Even though he has made great strides he has new issues, but his OT felt I had the tools to deal with it on my own. I don't know how to deal with his constant tantrums and am not sure that ending OT is best for him. He is only 28 months old, is it ok to stop early intervention?