St. Louis, MO 63108. 314-652-0100. 314-531-1768 Patient Related Faxes 314-652-0125 Non-Patient Related ... The CentralWest Center for Sexual Health is now offering FastPrEP for everyone. No visit co-pays or fees, as this is a non-for profit corporation. ... Patients must use our onsite lab and pharmacy to receive free services. Labs will need ....