Tanya Milagros Martinez-Fernandez, MD $$

Pediatric Pulmonologist/Sleep Medicine

Assistant Professor at UT Southwestern Medical Center

Languages Spoken:
English, Spanish,


 Virtual Visit Available

UT Southwestern Pediatric Group

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Tanya Martinez-Fernandez, M.D., is a pediatric pulmonologist at Children's Health℠. Dr. Martinez-Fernandez earned her medical degree at the University of Puerto Rico School of Medicine, where she also completed her internship and residency in pediatrics and was accepted into the Alpha Omega Alpha medical honor society. She then completed two fellowships in pulmonology at the Riley Hospital for Children at Indiana University Health.

Her specialty areas include pediatric pulmonology and pediatric sleep and breathing disorders.

Dr. Martinez-Fernandez is board-certified in sleep medicine, pediatric pulmonology and pediatrics by the American Board of Pediatrics.

Education and Training

Medical School
University of Puerto Rico School of Medicine (1997)
University of Puerto Rico School of Medicine - GME (1998), Pediatrics
University of Puerto Rico School of Medicine - GME (2000), Pediatrics
Indiana University (2003), Pediatric Pulmonary Diseases
Board Certification
American Board of Pediatrics(Sleep Medicine),
American Board of Pediatrics/Pulmonology
  • Publications

    • Measurement of single breath-hold carbon monoxide diffusing capacity in healthy infants and toddlers
      Castillo A, Llapur CJ, Martinez T, Kisling J, Williams-Nkomo T, Coates C, Tepper RS Pediatr Pulmonol June 2006 41 (6) 544-50
    • High Resolution Computed Tomography Imaging of Airway Disease in Infants with Cystic Fibrosis
      Martinez TM, Llapur CJ,Williams TH, Coates C, Gunderman R, Cohen MD, Howenstine MS, Saba O, Coxson HO, Tepper RS Am J Respir Crit Care Med November 2005 172 (9) 1133-8
    • Parental smoking and airway reactivity in healthy infants
      Tepper RS, Williams-Nkomo T, Martinez T, Kisling J, Coates C, Daggy J Am J Respir Crit Care MedJanuary 2005 171 (1) 78-82
    • Assessment of exhaled nitric oxide kinetics in healthy infants
      Martinez, T., Weist, A., Williams, T., Clem, C., Silkoff, P., Tepper, RS J Appl Physiol June 2003 94 (6) 2384-90
  • Professional Activities

    • American Academy of Sleep Medicine
    • American Thoracic Society
  • Awards and Honors

    • D Magazine Best Pediatric Specialist (2013, 2018-2020)
    • Best Doctors (2013-2014), D Magazine
    • Clinical Research Grant from the Cystic Fibrosis Foundation, Project title: Evaluation of Airway Responsiveness and Exhaled Nitric (2002)
    • Alpha Omega Alpha (1996)

Virtual Visit

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