Markey Carden McNutt II, MD $$

Pediatric Genetics Specialist

Assistant Professor at UT Southwestern Medical Center

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UT Southwestern Pediatric Group

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Markey McNutt, M.D., Ph.D., is a clinical geneticist at Children's Health℠ who specializes in caring for inherited metabolic disorders (disorders that affect how the body turns food into energy). Dr. McNutt is an assistant professor in the McDermott Center for Human Growth and Development, the Department of Medicine Division of Endocrinology, and the Department of Pediatrics Division of Genetics and Metabolism at UT Southwestern.

Dr. McNutt earned his medical degree and Ph.D. from UT Southwestern. He also completed an internal medicine residency and a medical genetics residency at UT Southwestern. Dr. McNutt received his fellowship training in endocrinology at UT Southwestern and is board certified by the American Board of Internal Medicine, certified in internal medicine and certified in endocrinology, diabetes and metabolism. He is board certified in clinical genetics by the American Board of Medical Genetics and Genomics.

As physician researcher, Dr. McNutt focused research on how different genetic mutations affect cholesterol and aspects of metabolism. During his fellowship, he received multiple awards including the Kern Lipid Conference Early Career Investigator Award, Most Clinically Productive Fellow Award and a Fellow Teaching Award.

Dr. McNutt is a member of several professional organizations, including the American Medical Association, Dallas County Medical Society, the American Association of Clinical Endocrinologists, the American College of Medical Genetics and Genomics, and the Society for Inherited Metabolic Disorders.

Education and Training

Medical School
University of Texas Southwestern Medical Center (2010)
UT Southwestern - Children's Medical Center (2017), Medical Genetics
UT Southwestern Medical Center (2012), Internal Medicine
UT Southwestern Medical Center at Dallas (2015), Endocrinology
Board Certification
American Board of Medical Genetics and Genomics


Departments and Programs

  • Research Interests

    • Genetics and inherited metabolic disorders
  • Publications

    • So Far, PCSK9 Inhibitors Work for All Heterozygous FH Patients. McNutt MC, Ahmad Z. Circ Cardiovasc Genet. 2015 Dec;8(6):749-51. doi: 10.1161/CIRCGENETICS.115.001256.
    • Clinical effect and safety profile of pegzilarginase in patients with arginase 1 deficiency. Diaz GA, Schulze A, McNutt MC, Leão-Teles E, Merritt JL 2nd, Enns GM, Batzios S, Bannick A, Zori RT, Sloan LS, Potts SL, Bubb G, Quinn AG. J Inherit Metab Dis. 2021 Jul;44(4):847-856. doi: 10.1002/jimd.12343. Epub 2021 Jan 26.
    • Management of early treated adolescents and young adults with phenylketonuria: Development of international consensus recommendations using a modified Delphi approach. Burton BK, Hermida Á, Bélanger-Quintana A, Bell H, Bjoraker KJ, Christ SE, Grant ML, Harding CO, Huijbregts SCJ, Longo N, McNutt MC 2nd, Nguyen-Driver MD, Santos Pessoa AL, Rocha JC, Sacharow S, Sanchez-Valle A, Sivri HS, Vockley J, Walterfang M, Whittle S, Muntau AC. Mol Genet Metab. 2022 Sep-Oct;137(1-2):114-126. doi: 10.1016/j.ymgme.2022.07.012. Epub 2022 Jul 29.
  • Professional Activities

    • Alpha Omega Alpha Honor Medical Society
    • American Association of Clinical Endocrinologists
    • American College of Medical Genetics and Genomics
    • American Heart Association
    • American Medical Association
    • Dallas County Medical Society
    • Endocrine Society
    • Society for Inherited Metabolic Disorders
    • Texas Medical Association
  • Awards and Honors

    • D Magazine Best Pediatric Specialist 2020
    • Texas Monthly Super Doctors, Rising Star 2020
    • Texas Monthly Super Doctors, Rising Star 2019

Virtual Visit

This provider may offer virtual appointments. Please review our Virtual Visit Specialty Clinics page for instructions on setting up a visit.

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