Headshot photo of Sarah Viall, P.N.P.

Sarah Viall, P.N.P.

  • Instructor of Molecular and Medical Genetics, School of Medicine


Sarah started her career in 2012 in the Division of Genetics & Metabolism at Children’s National in Washington, DC. She joined the OHSU metabolic genetics program in 2020 as a joint faculty member in the Departments of Molecular & Medical Genetics and Pediatrics and helps to manage the lysosomal storage disorder program. Sarah also serves as an educator for the Northwest Newborn Screening Program.

Education and training

  • Degrees

    • B.S., 2009, The Ohio State University
    • M.S., 2012, Yale University
  • Certifications

    • Pediatric Nurse Practitioner

Memberships and associations:

  • Society for Inherited Metabolic Disorders
  • National Association of Pediatric Nurse Practitioners

Areas of interest

  • Newborn Screening
  • Phenylketonuria
  • Lysosomal storage disorders


Elsevier pure profile

Selected publications

  • Viall, S., Calhoun, A., Ah Mew, N., Tarini, BA. How a baby with classic galactosemia was nearly missed: When the test succeeds but system fails. American Journal of Medical Genetics, 182 (7): 1750-1753. April
  • Chapman, K., Gramer, G., Viall, S., Summar, M. Incidence of maple syrup urine disease, propionic acidemia, and methylmalonic aciduria from newborn screening data. Molecular Genetics and Metabolism Reports, 15: 106-109. June 2018.
  • Viall, S., Ayyub, O., Rasberry, M., Lyons, K., Ah Mew, N. Mild hyperphenylalaninemia? A case series of 7 treated patients following newborn screening. Molecular Genetics and Metabolism, 122 (4): 153-155. December 2017.
  • Muriello, M. Viall, S. Cusmano Ozog, K., Bottiglieri, T., Ferreira, C. Confirmation that MATIA p.Ala259Val mutation causes autosomal dominant hypermethioninemia. Molecular Genetics and Metabolism Reports, 13: 9-12. July 2017.
  • Viall, S., Jain, S., Chapman, K., Ah Mew NA., Summar, M., Kirmse, B., Members of Division of Genetics & Metabolism at Children’s National Health System. Short-term follow-up systems for positive newborn screens in the Washington Metropolitan Area and the United States. Molecular Genetics and Metabolism, 116(4): 226-30. December 2015.
  • Ah Mew, N., Viall, S., Kirmse, B., Chapman, K. Deconstructing black swans: An introductory approach to inherited metabolic disorders in the neonate. Advances in Neonatal Care, 15(4): 241-7. August 2015.


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