MyCVMC Patient Portal . Pay Your Bill . Find A Doctor . ... Join Our Team . Home Locations > Central Valley Medical Center. Central Valley Medical Center. Address 48 West 1500 North PO Box 412 Nephi, UT 84648. Phone: 435.623.3000 . Get Directions. 3 CTA Panel ... P.O. Box 412 Nephi , UT ....