Katherine Ryan, MD Assistant in Pediatrics, Division of Emergency Medicine Instructor of Pediatrics (Part-time), Harvard Medical School Image NPI 1548765852 Print Profile Request an Appointment View Research Profile Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Katherine Ryan, MD Assistant in Pediatrics, Division of Emergency Medicine Instructor of Pediatrics (Part-time), Harvard Medical School Medical Services Programs & Services Emergency Medicine Languages English Education Undergraduate School Georgetown University 2012 Washington DC Medical School Georgetown University School of Medicine 2018 Washington DC Residency Pediatrics New York Presbyterian/Columbia University Medical Center 2021 New York NY Fellowship Pediatric Emergency Medicine New York Presbyterian/Columbia University Medical Center 2025 New York NY Certifications American Board of Pediatrics (General) Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115