Laura Olivieri Cardiologist Make an Appointment Location(s): Frederick Outpatient Center Montgomery County Outpatient Center Department(s): Cardiology Cardiac Imaging
Ellen O'Brien Pediatrician Make an Appointment Location(s): CP&A Foggy Bottom Department(s): General and Community Pediatrics
Zoe OBrien Nurse Practitioner Make an Appointment Location(s): CP&A Gaithersburg Department(s): General and Community Pediatrics
Karen O'Connell Emergency Medicine Specialist Location(s): Main Hospital Department(s): Emergency Medicine and Trauma Services
Tessie October Critical Care Specialist Location(s): Main Hospital Department(s): Critical Care Medicine Pediatric Intensive Care Unit (PICU)
Matthew Oetgen Division Chief, Orthopaedic Surgery and Sports Medicine 4.7 out of 5 59 Patient/Family Ratings Make an Appointment Location(s): Main Hospital Laurel Outpatient Center Montgomery County Outpatient Center Ambulatory Surgery Center Department(s): Fetal Medicine Institute Neurofibromatosis Institute Orthopaedic Surgery and Sports Medicine Posterior Spinal Fusion
Folasade Ogunlesi Pulmonologist Make an Appointment Location(s): Main Hospital Montgomery County Outpatient Center Department(s): Pulmonary Medicine Cystic Fibrosis Center Fetal Medicine Institute Infant Apnea/ BPD Program Sickle Cell Pulmonary Clinic