Have you tried a multiple approach ?
You might think about estrogen levels high enough... possibly adding some bioidentical progesterone... and a very low dose of testosterone.
You could ask for topical first, and then switch to pellet implants. All three are widely used to help menopausal women, for example.
You might try stress management techniques... relaxation/meditation techniques... and light exercises... walking, swimming, biking, moderately but regularly...
is your nutrition healthy? A healthy variety of vegetables and fruits, possibly organic, and only few carbonated / high sugar drinks...
Are there meds that influence orgasms ? Some do, like some meds against depression... it might be possible to switch to another one to get rid of this side effect...
you might try to relax... get in the mood... take your time, and use a powerful vibrator...
hugs