Answering to negative Question

[nagara]

Hi Teacher:

Please correct me if I am wrong.

Aren't you a doctor?
Yes, I am.(I am a doctor.)
No, I am not. ( I am not a doctor.)

Thanks in advance.

[5jj]

Aren't you a doctor?
Yes, I am.(I am a doctor.)
No, I am not. ( I am not a doctor.)

Correct.

Also:

You aren't a doctor, are you? Yes, I am (a doctor). No, I am not (a doctor).

[nagara]

Thanks again for your additional example.