Pilar Trelles, MD

Pilar Trelles



Pilar Trelles, MD, is a board-certified child and adolescent psychiatrist. Her area of clinical expertise is in autism spectrum disorder (ASD) and related neurodevelopmental disorders (NDDs). She splits her time between conducting patient-oriented research at the Seaver Autism Center at Mount Sinai Hospital and providing clinical care for individuals with developmental disabilities at the Developmental Disability Center at Mount Sinai West, where she leads the psychiatric clinic.

Dr. Trelles has been the recipient of important awards for junior investigators. Her research and clinical work aim to address disparities in NDD. As such, she works closely with community agencies, both locally and internationally, treating children and adults with ASD and other NDDs, to address inequalities in patient care and ethnic disparities in genomic research.

Dr. Trelles enjoys teaching and has been invited to speak at regional, national, and international Conferences. 


  • Cayetano Heredia Peruvian University, Alberto Hurtado Medical School: Doctor of medicine.
  • Rutgers University, New Jersey Medical School: Psychiatry Residency
  • Mount Sinai Saint Luke’s Hospital: Child and Adolescent Psychiatry Fellowship
  • Icahn School of Medicine at Mount Sinai, Seaver Autism Center for Research and Treatment: Autism and Developmental Disabilities Fellowship
  • Icahn School of Medicine at Mount Sinai, Department of Genetics and Genomic Medicine: Medical Genetics Postdoctoral Research Training Program

A Word From Pilar Trelles, MD

Addressing inequalities in care has been central to my work as a physician and child and adolescent psychiatrist. I consider that empowering patients with accurate, accessible, and scientifically-sound medical information is central to reduce disparities, and improving care. I am thrilled to be a part of Verywell to support their mission and share my expertise with their readers.

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