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Michael D. Traynor Jr.
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Michael D. Traynor Jr., MD, MPH

Languages spoken: English

Clinical Locations

Primary Location

Primary Children's Hospital

Pediatric Surgery
100 N Mario Capecchi Drive
Salt Lake City , UT 84113

St. Vincent Healthcare

SCL Health Medical Group - Fortin Pediatric Specialty Clinic
1232 N 30th St
Billings , MT 59101

Primary Children's Hospital - Lehi

Pediatric Surgery
2250 N Miller Campus Dr
Lehi , UT 84043

Board Certification and Academic Information

Academic Departments Surgery -Assistant Professor
Academic Divisions Pediatric Surgery

Education history

Undergraduate Princeton University Woodrow Wilson School of Public and International Affairs A.B.
Professional Medical Medicine - University of North Dakota School of Medicine and Health Sciences M.D.
Residency Surgery - Mayo Clinic College of Medicine Resident
Graduate Training Public Health - Harvard T.H. Chan School of Public Health M.P.H.
Residency Surgery - Mayo Clinic College of Medicine and Science Resident
Residency General Surgery - Mayo Clinic College of Medicine and Science Administrative Chief Resident
Fellowship Pediatric Surgery - University of Utah Fellow

Selected Publications

Journal Article

  1. Carson PJ, Danford M, Carson G, Hanish C, Thompson J, Orr M, Traynor M, Roth F, Guerrero (2015). "Bringing down the flag": removing the contact precautions label for non-hospitalized patients with prior methicillin-resistant Staphylococcus aureus infection or colonization. Infection control and hospital epidemiology, 36(5), 578-80.
  2. Traynor MD Jr, Hernandez MC, Shariq O, Bekker W, Bruce JL, Habermann EB, Glasgow AE, Laing GL, Kong VY, Buitendag JJP, Klinkner DB, Moir C, Clarke DL, Zielinski MD, Polites S (2019). Trauma registry data as a tool for comparison of practice patterns and outcomes between low- and middle-income and high-income healthcare settings. Pediatric surgery international, 35(6), 699-708.
  3. Hernandez MC, Traynor M, Bruce JL, Bekker W, Laing GL, Aho JM, Kong VY, Klinkner DB, Zielinski MD, Clarke D (2019). Surgical Considerations for Pediatric Snake Bites in Low- and Middle-Income Countries. World journal of surgery, 43(7), 1636-1643.
  4. Traynor MD Jr, Yonkus J, Moir CR, Klinkner DB, Potter DD J (2019). Altering the Traditional Approach to Restorative Proctocolectomy After Subtotal Colectomy in Pediatric Patients. Journal of laparoendoscopic & advanced surgical techniques. Part A, 29(10), 1207-1211.
  5. Riley JS, Antiel RM, Flake AW, Johnson MP, Rintoul NE, Lantos JD, Traynor MD, Adzick NS, Feudtner C, Heuer G (2019). Pediatric neurosurgeons' views regarding prenatal surgery for myelomeningocele and the management of hydrocephalus: a national survey. Neurosurgical focus, 47(4), E8.
  6. Traynor MD Jr, McKenna NP, Habermann EB, Yonkus J, Moir CR, Potter DD Jr, Ishitani MB, Klinkner D (2019). Utilization of Maneuvers to Increase Mesenteric Length Employed in Children Undergoing Ileal Pouch-Anal Anastomosis. Journal of laparoendoscopic & advanced surgical techniques. Part A, 29(10), 1285-1291.
  7. Traynor MD Jr, Hernandez MC, Clarke DL, Kong VY, Habermann EB, Polites SF, Laing GL, Bruce JL, Zielinski MD, Ishitani MB, Moir C (2019). Utilization of age-adjusted shock index in a resource-strained setting. Journal of pediatric surgery, 54(12), 2621-2626.
  8. Traynor MD Jr, Sada A, Thompson GB, Moir CR, Bancos I, Farley DR, Dy BM, Lyden ML, Habermann EB, McKenzie T (2020). Adrenalectomy for non-neuroblastic pathology in children. Pediatric surgery international, 36(2), 129-135.
  9. Traynor MD Jr, McKenna NP, Potter DD Jr, Moir CR, Klinkner D (2020). The effect of diversion on readmission following ileal pouch-anal anastomosis in children. Journal of pediatric surgery, 55(3), 549-553.
  10. Hernandez MC, Traynor MD, Knight AW, Kong VY, Laing GL, Bruce JL, Bekker W, Zielinski MD, Clarke D (2020). Predicting the Outcome of Non-operative Management of Splenic Trauma in South Africa. World journal of surgery, 44(5), 1485-1491.
  11. Traynor MD Jr, St Louis E, Hernandez MC, Alsayed AS, Klinkner DB, Baird R, Poenaru D, Kong VY, Moir CR, Zielinski MD, Laing GL, Bruce JL, Clarke D (2020). Comparison of the Pediatric Resuscitation and Trauma Outcome (PRESTO) Model and Pediatric Trauma Scoring Systems in a Middle-Income Country. World journal of surgery, 44(8), 2518-2525.
  12. Traynor MD Jr, Laing GL, Bruce JL, Hernandez MC, Kong VY, Rivera M, Zielinski MD, Clarke D (2020). Mob Justice in South Africa: A comparison of blunt trauma secondary to community and non-community assaults. Injury, 51(8), 1791-1797.
  13. Traynor MD Jr, McKenna NP, Habermann EB, Antiel RM, Moir CR, Klinkner DB, Ishitani MB, Potter DD J (2020). Pouchogram Prior to Ileostomy Reversal after Ileal Pouch-Anal Anastomosis in Pediatric Patients: Is it Useful in the Setting of Routine EUA?. Journal of pediatric surgery, 55(8), 1499-1502.
  14. Traynor MD Jr, Trelles M, Hernandez MC, Dominguez LB, Kushner AL, Rivera M, Zielinski MD, Moir C (2020). North American pediatric surgery fellows' preparedness for humanitarian surgery. Journal of pediatric surgery, 55(10), 2088-2093.
  15. Bence CM, Traynor MD Jr, Polites SF, Ha D, Muenks P, St Peter SD, Landman MP, Densmore JC, Potter DD J (2020). The incidence of venous thromboembolism in children following colorectal resection for inflammatory bowel disease: A multi-center study. Journal of pediatric surgery, 55(11), 2387-2392.
  16. Traynor MD Jr, Hernandez MC, Aho JM, Wise K, Kong V, Clarke D, Harvin JA, Zielinski M (2020). Damage Control Laparotomy: High-Volume Centers Display Similar Mortality Rates Despite Differences in Country Income Level. World journal of surgery, 44(12), 3993-3998.
  17. Traynor MD, Camazine MN, Potter DD, Moir CR, Klinkner DB, Ishitani M (2021). A Comparison of Single-Incision Versus Multiport Laparoscopic Splenectomy in Children. Journal of laparoendoscopic & advanced surgical techniques. Part A, 31(1), 106-109.
  18. Yohanathan L, Croome KP, Traynor M, Puig CA, Mara KC, Cleary SP, Nagorney D (2021). Significance of proximal ductal margin status after resection of hilar cholangiocarcinoma. HPB, 23(1), 109-117.
  19. Ewbank C, Stewart B, Bruns B, Deckelbaum D, Gologorsky R, Groen R, Gupta S, Harris MJ, Godfrey R, Leppäniemi A, Malone DL, Newton C, Traynor MD Jr, Wong EG, Kushner A (2021). The Development of a Surgical Care and Climate Change Matrix: A Tool to Assist With Prioritization and Implementation Strategies. Annals of surgery, 273(2), e50-e51.
  20. Traynor MD Jr, Potter DD J (2021). Initial experience with transanal proctectomy in children. Journal of pediatric surgery, 56(4), 821-824.
  21. Ewbank C, Stewart B, Bruns B, Deckelbaum D, Gologorsky R, Groen R, Gupta S, Hadley M, Harris MJ, Godfrey R, Jackson J, Leppäniemi A, Malone DL, Newton C, Traynor MD Jr, Wong EG, Kushner A (2021). Introduction of the Surgical Providers Assessment and Response to Climate Change (SPARC2) Tool: One Small Step Toward Reducing the Carbon Footprint of Surgical Care. Annals of surgery, 273(4), e135-e137.
  22. Traynor MD Jr, Owino J, Rivera M, Parker RK, White RE, Steffes BC, Chikoya L, Matsumoto JM, Moir C (2021). Surgical Simulation in East, Central, and Southern Africa: A Multinational Survey. Journal of surgical education, 78(5), 1644-1654.
  23. Brown AD, Traynor MD Jr, Potter DD Jr, Ishitani MB, Moir CR, Galardy PJ, Klinkner D (2021). Evolution of pediatric gastrointestinal ulcer disease: Is acute surgical intervention relevant?. Journal of pediatric surgery, 56(10), 1870-1875.
  24. Dmytriw AA, Chibbar R, Chen PPY, Traynor MD, Kim DW, Bruno FP, Cheung CC, Pareek A, Chou ACC, Graham J, Dibas M, Paranjape G, Reierson NL, Kamrowski S, Rozowsky J, Barrett A, Schmidt M, Shahani D, Cowie K, Davis AR, Abdelmegeed M, Touchette JC, Kallmes KM, Pederson JM, Keesari P (2021). Outcomes of acute respiratory distress syndrome in COVID-19 patients compared to the general population: a systematic review and meta-analysis. Expert review of respiratory medicine, 15(10), 1347-1354.
  25. Traynor MD, Brar GD, Bruno FP, Iyer G, Ishitani M (2021). Pulmonary Metastasectomy in Pediatric Patients: A Comparison of Open and Thoracoscopic Approaches. Journal of laparoendoscopic & advanced surgical techniques. Part A,
  26. Traynor MD Jr, Zielinski MD, Moir CR, Ishitani MB, Klinkner DB, Bruce JL, Laing GL, Kong VY, Clarke D (2021). CT scans for pediatric injury in a middle-income country trauma center: Are we repeating past mistakes?. Journal of pediatric surgery, 56(12), 2342-2347.
  27. Traynor MD, Antiel RM, Camazine MN, Blinman TA, Nance ML, Eghtesady P, Lam SK, Hall M, Feudtner (2021). Surgical Interventions During End-of-Life Hospitalizations in Children's Hospitals. Pediatrics, 148(6),
  28. Musa J, Zielinski M, Hernandez M, Mohan A, Traynor M, Mahony C, Ferrara M, Immerman J, Aho (2022). Tension pneumothorax decompression with colorimetric capnography: pilot case series. General thoracic and cardiovascular surgery, 70(1), 59-63.
  29. Traynor MD Jr, Watkins RD, Zielinski MD, Potter DD Jr, Moir CR, Ishitani MB, Klinkner D (2022). Post-injury outcomes of children with behavioral health disorders. Journal of pediatric surgery, 57(3), 462-468.
  30. Traynor MD Jr, Lipsitz S, Schroeder TJ, Zielinski MD, Rivera M, Hernandez MC, Stephens D (2022). Association of scooter-related injury and hospitalization with electronic scooter sharing systems in the United States. American journal of surgery, 223(4), 780-786.
  31. Mahony CR, Traynor MD Jr, Knight AW, Hughes JD, Hernandez MC, Finnesgard EJ, Musa J, Selby SL, Rivera M, Kim BD, Heller SF, Zielinski M (2022). Small bowel obstruction managed without hospital admission: A safe way to reduce both cost and time in the hospital?. Surgery, 171(6), 1665-1670.
  32. Traynor MD, Chlan LL, Wzientek C, Yost KJ, Pierson KE, Lee MK, Blackmon S (2023). Agreement Between Upper Digestive Disease App and Provider Evaluation of Esophagectomy Symptoms in a Mobile App Tool. The Annals of thoracic surgery, 116(2), 255-261.
  33. Baloul MS, Yeh VJ, Mukhtar F, Ramachandran D, Traynor MD Jr, Shaikh N, Rivera M, Farley D (2022). Video Commentary & Machine Learning: Tell Me What You See, I Tell You Who You Are. Journal of surgical education, 79(6), e263-e272.
  34. MacArthur TA, Traynor MD Jr, Klinkner DB, Polites SF, Arndt C, Ishitani M (2023). The Problematic PET: Using CT Albumin Tracer to Resect Suspicious Lymph Nodes Found on PET Scan in Pediatric Oncology Patients. Journal of pediatric surgery, 58(8), 1550-1554.
  35. Pollok F, Lund SB, Traynor MD Jr, Alva-Ruiz R, MacArthur TA, Watkins RD, Mahony CR, Woerster M, Yeh VJ, Matovu A, Clarke DL, Laack TA, Rivera (2023). Systematic Review of Procedural Skill Simulation in Health Care in Low- and Middle-Income Countries. Simulation in healthcare,