Gaining

Reminds me of a cartoon:

I have to admit I'm dragging out a doctor visit too, because I've put on 30 pounds since last year. He weighs me every time I go in for my physical. I need to see him too, so the fear of disapproval is interfering with me getting care. I've even thought of fasting before my visit to get my weight down.

Remember, YOU are the customer. He is being paid to take care of you. You are free to refuse any treatment (dieting)

If your doctor suggests a diet, tell him only 2% of diets work in the long run. A much higher percentage of diets CAUSE even more weight gain. Why does he think it would be any different for you?

If your doctor makes a negative comment, you could try showing him/her this:

ideas.time.com/2013/06/24/if-obesity-is-a-disease-why-are-so-many-obese-people-healthy/

(With thanks to whoever posted it on a different thread)

You could also print a copy of this out. It might be helpful in diffusing his disappointment.
danceswithfat.wordpress.com/2013/04/01/what-to-say-at-the-doctors-office/

I know, if he starts talking about diets, you say "Sorry, I can't hear what you're saying. I've got this problem with my ear..."

Yes! Don't take any weight-loss crap from him and please keep us posted!

Another idea: find a fat doctor.