Insperity - Steven Ephraim Share: Business ServicesOpen for Business Insperity - Steven Ephraim Visit Website Request Info 11455 El Camino Real, Ste 100 San Diego, CA 92130 (858) 523-7847 About Map About Strategic HR and admin support helping businesses grow through elevated human capital management. What's Nearby? Distance: 5 10 15 20 25 50 mi.