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Pilar Trelles, MD Associate Chief of Outpatient Psychiatry Service; Attending Psychiatrist, Department of Psychiatry and Behavioral Sciences Image Phone 617-355-6680 NPI 1558505891 Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Phone: 617-355-6000 Listen Pilar Trelles, MD Associate Chief of Outpatient Psychiatry Service; Attending Psychiatrist, Department of Psychiatry and Behavioral Sciences Medical Services Programs & Services Autism Spectrum Center Outpatient Psychiatry Service Psychiatry Languages English Spanish Education Medical School Universidad Peruana Cayetano Heredia, Alberto Hurtado Medical School 2005 Lima Peru Residency Psychiatry New Jersey Medical School, Rutgers University 2013 Newark NJ Fellowship Child and Adolescent Psychiatry Icahn School of Medicine, Mount Sinai Health System 2015 New York NY Fellowship Autism and Developmental Disabilities Seaver Autism Center for Research and Treatment, Icahn School of Medicine 2017 New York NY Fellowship Medical Genetics Icahn School of Medicine at Mount Sinai 2019 New York NY Certifications American Board of Psychiatry and Neurology (Psychiatry) American Board of Psychiatry and Neurology (Child and Adolescent Psychiatry) Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Phone: 617-355-6000