I've had a few things where WG is the "approved provider". In each case, it has taken several hours of calling / waiting to get things approved, but they seem to go through eventually.
Moderator - Prostate Cancer(Not a medical professional)
My adjuvant IGRT journey (2010) - www.healingwell.com/community/default.aspx?f=35&m=1756808
HT (Lupron) 6-mo injection 9/12 (next planned for 6/14);Prolia 6-mo inj 12/12, 06/13, 12/13