That was a really shytty way for the professional to handle the client, IMO.

Why didn't he just cut you off from the emailing by asking you to stop emailing and see him in session? Why did he say he gave away your slot, which is surely just an excuse to get rid of you? Why couldn't he have just been honest and said in a professional way the truth then? He was quite passive/aggressive.

You are the one with MI. You are the patient. He is the doctor. I thought the first rule for the doctor is 'first do no harm'.

I'm sorry he unnecessarily made you more ill. That's the truth. This is his fault.

I hope you find a better new T.