Division of Pulmonary, Critical Care & Sleep Medicine

Omar Mesarwi, MD

Assistant Clinical Professor



  • Critical care medicine
  • Sleep medicine
  • Metabolic syndrome and obesity


  • Obstructive sleep apnea and nonalcoholic fatty liver disease
  • Glucose and lipid metabolism in hypoxia



  1. Mesarwi OA, Shin MK, Bevans-Fonti S, Polotsky VY. Liver Fibrosis is Mediated by Hepatocyte Hypoxia Inducible Factor-1 in a Mouse Model of Non-alcoholic Fatty Liver Disease. In review.
  2. Mesarwi OA, Shin MK, Drager LF, Bevans-Fonti S, Jun JC, Putcha N, Torbenson MS, Pedrosa RP, Lorenzi-Filho G, Steele KE, Schweitzer MA, Magnuson TH, Lidor AO, Schwartz AR, Polotsky VY. Lysyl Oxidase as a Serum Biomarker of Liver Fibrosis in Patients with Severe Obesity and Obstructive Sleep Apnea. Sleep 2015;38(10):1583-91.
  3. Mesarwi OA, Sharma EV, Jun JC, Polotsky VY. Metabolic dysfunction in obstructive sleep apnea: A critical examination of underlying mechanisms. Sleep Biol Rhythms 2015;13(1):2-17.
  4. Jun JC, Shin MK, Devera R, Yao Q, Mesarwi O, Bevans-Fonti S, Polotsky VY. Intermittent hypoxia-induced glucose intolerance is abolished by α-adrenergic blockade or adrenal medullectomy. Am J Physiol Endocrinol Metab 2014;307(11):E1073-83. Epub 2014 Oct 14.
  5. Mesarwi OA, Ellenbogen JM, Polotsky VY. A patient with unusual electroencephalographic findings during rapid eye movement sleep. Ann Am Thorac Soc 2014;11(10):1660-4.
  6. Shin MK, Yao Q, Jun JC, Bevans-Fonti S, Yoo DY, Han W, Mesarwi O, Richardson R, Fu YY, Pasricha PJ, Schwartz AR, Shirahata M, Polotsky VY. Carotid body denervation prevents fasting hyperglycemia during chronic intermittent hypoxia. J Appl Physiol 2014;117(7):765-76.
  7. Mesarwi O, Polak J, Jun J, Polotsky VY. Sleep disorders and the development of insulin resistance and obesity. Endocrinol Metab Clin North Am 2013;42(3):617-34.
  8. Li JZ, Vawter MP, Walsh DM, Tomita H, Evans SJ, Choudary PV, Lopez JF, Avelar A, Shokoohi V, Chung T, Mesarwi O, Jones EG, Watson SJ, Akil H, Bunney WE Jr, Myers RM. Systematic changes in gene expression in postmortem human brains associated with tissue pH and terminal medical conditions. Hum Mol Genet 2004;13(6):609-16.




  • 2005-2007, Community Service Chair, UT Southwestern Medical School.
  • 2006, Martin Luther King, Jr. Scholarship for Community Service, UT Southwestern Medical School.
  • 2007, Vernie A. Stembridge, M.D. Scholarship Award in Pathology, UT Southwestern Medical School.
  • 2014, ATS Fellows Track Symposium Travel Scholarship Recipient.
  • 2015, ATS Sleep and Respiratory Neurobiology Assembly Abstract Travel Scholarship.
  • 2015, ATS Science and Innovation Center Scientific Abstract Award Recipient.
  • 2015, First Place in Oral Research Presentations, Sleep and Circadian Research Conference.
  • 2015, Anne Elizabeth Suratt Young Investigator Award, 14th International Symposium on Sleep and Breathing.


  • Internal medicine
  • Pulmonary medicine

To schedule a Sleep Clinic consultation with Dr. Mesarwi, please call our toll-free line at (844) 757-5337. You can reach Dr. Mesarwi by email at omesarwi@ucsd.edu