Sarah M. Giguere, DO provides pediatric care in Chula Vista's Eastlake corridor at the Sharp Rees-Stealy Otay Ranch multi-specialty clinic on E Palomar Street. Her scope of practice covers well-child visits, immunization administration, developmental screening, and acute pediatric illness evaluation within the same Eastlake medical cluster as Children's Primary Care Medical Group Eastlake. As a Doctor of Osteopathic Medicine, she integrates osteopathic principles with standard pediatric protocols, and her Sharp affiliation includes hospital privileges at Sharp Chula Vista Medical Center and Sharp Grossmont Hospital. The Sharp Rees-Stealy Otay Ranch facility at 1400 E Palomar Street houses over 60 physicians across 33 specialties, giving pediatric patients access to on-site laboratory services, imaging, and pharmacy dispensing without leaving the building. Allergy and immunology referrals for pediatric patients with asthma or chronic rhinitis route to nearby specialists including Modena Allergy + Asthma - Eastlake for skin-prick testing and immunotherapy evaluation. Clinical capabilities include in-office rapid influenza and RSV testing, tympanometry for middle-ear assessment, and vision and hearing screening using calibrated audiometric and Snellen chart protocols for school-age patients.