Urgent-care primary medicine on the Lake Murray Boulevard corridor in La Mesa comes through Les Mershon, a physician assistant practicing at 6136 Lake Murray Boulevard near Lake Murray. Walk-in triage for sprains, fractures, and soft-tissue injuries produces post-stabilization rehabilitation plans that channel recovery cases to PRN Physical Therapy - La Mesa for progressive return-to-function protocols. The Lake Murray Boulevard clinic sits at the corner of Dallas Street within the Marque Medical network, operating as a walk-in urgent-care facility equipped for on-site digital X-ray, laceration repair, and point-of-care laboratory testing. Occupational health services including DOT physicals, pre-employment drug screening, and workers' compensation injury management round out the primary-care panel for La Mesa's Lake Murray business district. Complex diagnostic workups that exceed point-of-care X-ray capability escalate to advanced modalities, with cases routing to Grossmont Imaging Center Drive for MRI and CT cross-sectional imaging near Sharp Grossmont Hospital. Highest-acuity urgent presentations include foreign-body removal, abscess incision and drainage under local anesthesia, and multi-view digital radiography for suspected non-displaced fractures requiring orthopedic follow-up.