Whom Should I Consult For Excessive Bloating When Diagnosed Hiatal Hernia, Hashimoto’s Thyroiditis, And Interstitial Cystitis?

Experiencing a lot of g i bloating. Have hiatal hernia & no gall bladder. Have had hysterectomy but still have ovaries. Gluten free auto immune paleo diet. Have hashimotos. Have interstitial cystitis. Taking synthroid, cytomel, estrogen, progesterone , a adrenal glandular vitamins & herbal supplements. What doctor should I start with?