Sharp Grossmont Hospital's Emergency Department in La Mesa operates 43 acute care beds and 21 minor care and observation beds on Grossmont Center Drive, serving as East County's largest emergency department and treating approximately 110,000 patients annually. The department holds American College of Emergency Physicians Gold Standard Level 1 geriatric accreditation — the second facility in California to earn that designation — with age-specific protocols and geriatric-trained nursing staff that support a fracture-to-fixation pipeline extending through campus orthopedic surgeons like Dr. Scott A. Hacker, MD. County-designated STEMI center and certified stroke center protocols ensure rapid cardiac catheterization and thrombolytic administration, while a rooftop helipad receives aeromedical transfers from rural East County. The department received the Emergency Nurses Association Lantern Award and was selected for San Diego County's eCPR (Extracorporeal Cardiopulmonary Resuscitation) pilot program, one of three hospitals in the county chosen for the initiative. Post-emergency dental trauma requiring maxillofacial follow-up routes to Grossmont-area oral health providers like Espire Dental, while the West Tower Emergency & Critical Care Center's 562-bed inpatient capacity supports direct admission for neurosurgical, cardiac, oncological, and neonatal cases requiring intensive monitoring.