Employer-focused occupational medicine in downtown San Diego occupies the second floor of Sharp Rees-Stealy's 66,365-square-foot LEED-designed medical building at 300 Fir Street in Bankers Hill. Pre-employment physicals, DOT/FMCSA driver certifications, drug and alcohol screening panels, and tuberculosis testing serve the downtown workforce under a single-site model, with musculoskeletal injury rehabilitation coordinated through Urbanspine in the Bankers Hill chiropractic corridor. Sharp Rees-Stealy Medical Group—one of San Diego County's largest multispecialty groups with 16 locations—operates occupational health departments at six facilities, positioning the Fir Street clinic as the flagship downtown access point for employer accounts. Workers' compensation case management integrates on-site radiology, laboratory, and pharmacy services within the same building, consolidating the multi-facility delays that extend employee time away from work. Return-to-work medical clearance and ongoing primary care transition route through the same Sharp network, including internists like Abisola A. Olulade, MD on the floors above. Highest-tier compliance services include OSHA-mandated quantitative respiratory fit testing using TSI PortaCount particle-counting equipment and audiometric baseline surveillance under 29 CFR 1910.95 for noise-exposed industrial employees.