Katie Ohman, MS, CGC Genetic Counselor, Department of Ophthalmology Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Katie Ohman, MS, CGC Genetic Counselor, Department of Ophthalmology Medical Services Programs & Services Ophthalmology Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115