Katelyn Anne Dato-On, DO - Sharp Rees-Stealy Santee brings osteopathic pediatric training from Marian University College of Osteopathic Medicine to the second-floor pediatrics suite on Cuyamaca Street. Board-certified in pediatrics and trained in osteopathic manipulative treatment, Dr. Dato-On's well-child protocols cover developmental milestone tracking, behavioral-health screening, and adolescent wellness — with anxiety and depression referrals directed to Grow Through Life Counseling Santee on the same Cuyamaca Street corridor. Her DO credential adds hands-on musculoskeletal assessment techniques that complement standard pediatric physical exams, particularly for torticollis evaluation and sports-injury triage in school-age patients. Acute-illness encounters for ear infections, respiratory distress, and febrile episodes that arrive outside scheduled appointments route to the same-building walk-in center at AFC Urgent Care Santee on Mission Gorge Road for after-hours coverage. Advanced neonatal care includes congenital hip screening, newborn hearing-loss risk assessment, and structured developmental surveillance using the ASQ-3 and M-CHAT-R validated screening tools at each well-child interval.