Mark C. Johnson, M.D.

Associate Professor of Pediatrics, Cardiology
Patient Oriented Research UnitCardiology

phone: 314-454-6095


  • M.D., Johns Hopkins University School of Medicine1982


  • Resident, , University of Colorado Health Science Center1982 - 1985
  • Fellow, Washington University School of Medicine, St. Louis Children's Hospital1990 - 1994

Licensure and Board Certification

  • MO, Missouri State Board of Registration for the Healing Arts
  • IL, Licensed Physician
  • The American Board of Pediatrics1986
  • The American Board of Pediatrics and its Subboard of Pediatric Cardiology1996


  • St. Louis Best Doctors, St. Louis Magazine2013 - Pres

Selected Publications view all (10)

Publication Co-Authors

  1. Johnson MC, Johnikin MJ, Euteneuer JC, DeBaun MR, Hildebolt C. Coronary artery dilation and left ventricular hypertrophy do not predict morbidity in children with sickle cell disease. Pediatr Blood Cancer. 2015;62(1):115-119. doi:10.1002/pbc.25239  PMID:25264310  
  2. Sanchez Mejia AA, Simpson KE, Hildebolt CF, Pahl E, Matthews KL, Rainey CA, Canter CE, Jay PY, Johnson MC. Tissue Doppler septal Tei index indicates severity of illness in pediatric patients with congestive heart failure. Pediatr Cardiol. 2014;35(3):411-8. doi:10.1007/s00246-013-0794-1  PMCID:PMC3944049  PMID:24061276  
  3. Gazit AZ, Singh GK, Johnson MC. To-and-fro murmur in the young due to major congenital cardiac defects: is cardiac auscultation obsolete? Cardiol Young. 2010;20(6):707-8. doi:10.1017/S1047951110001393  PMID:20887646  
  4. Johnson MC, Kirkham FJ Redline S, Rosen CL, Yan Y, Roberts I, Gruenwald J, Marek J, DeBaun MR. Left ventricular hypertrophy and diastolic dysfunction in children with sickle cell disease are related to asleep and waking oxygen desaturation. Blood. 2010;116(1):16-21. 
  5. Holt DB, Moller JH, Larson S, Johnson MC. Primary pulmonary vein stenosis. Amer J Card. 2007;(99):568-572. 
  6. Gazit, AZ, Singh GK, Shumway J, Johnson MC, Ludomirsky A. Fetal cardiac rhabdomyoma: A sheep or a worlf? Mat-Fet & Neo Med. 2007;20(4):343-348. 
  7. Johnson MC, Wood M, Vaughn V, Cowan L, Sharkey AM. Antibiotic and warfarin interaction in pediatric cardiology patients. Pediatric Cardiology. 2005;(26):1-5. 
  8. Nicolas RT, Hills C, Huddleston C, Moller JH, Johnson MC. Early outcome after glenn shunt and fontan palliation and the impact of operation during viral respiratory season: analysis of a 19 year multi-institutional experience. 2005;(79):613-617. 
  9. 12. Balzer DT, Johnson M, Sharkey AM, Kort H. Transcatheter occlusion of baffle leaks following atrial switch procedures for transposition of the great vessels (d-tgv). Cath Cardiovasc Interv 2004:61:259-263. Transcatheter occlusion of baffle leaks following atrial switch procedures for transposition of the great vessels (d-tgv). Cath Cardiovasc Interv. 2004;(61):259-263. 
  10. Kort HW, Balzer DT, Johnson MC. Resolution of right heart enlargement after closure of secundum atrial septal defect by transcatheter technique. J AmColl Cardiol. 2001;(38):1528-1532.