My "new" Endocronologist Just Reduced My Synthroid By 1/2 Tablet

My "new" Endocronologist just reduced my synthroid by 1/2 tablet (112 mcg) a week. My TSH was .39 my T4 1.57 but the one I'm worried about is the ANTI-TPO AB--15. I have Graves Disease and my thyroid was radiated with an isotope 20 years ago. Right now the Graves is active, joint pain, eye swelling and soreness. this has happened once before, and the doctor I had then increased my dose for a month, and everything went back to normal. What's your call?