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
801-662-2950
Get Directions

Primary Children's Hospital - Lehi

Pediatric Surgery
2250 N Miller Campus Dr
Lehi , UT 84043
801-662-2950
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St. Vincent Healthcare

SCL Health Medical Group - Fortin Pediatric Specialty Clinic
1232 N 30th St
Billings , MT 59101
406-237-5300
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  • Michael D. Traynor, MD, MPH, is a pediatric surgeon specializing in the treatment of complex congenital anomalies, including esophageal and airway reconstruction, diaphragmatic hernia repair, and congenital pulmonary and gastrointestinal disorders. He provides advanced general and thoracic surgical care for infants, children, and adolescents.

    Clinical Expertise
    Dr. Traynor’s areas of clinical expertise include:

    • Esophageal atresia and airway reconstruction

    • Congenital diaphragmatic hernia

    • Congenital pulmonary airway malformation

    • Hernias (inguinal, umbilical, incisional)

    • Vascular access and nutritional access

    • Gallbladder disease

    • Crohn’s disease and ulcerative colitis

    • Childhood cancers

    • Pediatric endocrine disorders

    • Congenital anomalies

    Education and Training
    Dr. Traynor earned his AB from Princeton University and MD from the University of North Dakota, followed by a Master of Public Health (MPH) from the Harvard T.H. Chan School of Public Health. He completed general surgery training at the Mayo Clinic and a fellowship in pediatric general surgery at the University of Utah.

    Professional Roles
    Dr. Traynor is an Assistant Professor of Surgery at the University of Utah Spencer Fox Eccles School of Medicine. He serves as the Medical Director of the Pulmonary Hypoplasia Clinic and as a sub-specialist in the Esophageal and Airway Center at Intermountain Children’s Hospital. His multidisciplinary work focuses on improving outcomes for children with rare and complex congenital conditions.

    Research and Global Health
    Dr. Traynor’s research interests include esophageal atresia and congenital diaphragmatic hernia. He has been active in global health research and teaching including a multinational project on inguinal hernia in Sierra Leone and Uganda.

    Personal Interests
    Outside of medicine, Dr. Traynor enjoys hunting, fishing, and traveling. He and his wife, Antinea, are proud parents of two boys.

    Specialties

  • Michael D. Traynor, MD, MPH, is a pediatric surgeon specializing in the treatment of complex congenital anomalies, including esophageal and airway reconstruction, diaphragmatic hernia repair, and congenital pulmonary and gastrointestinal disorders. He provides advanced general and thoracic surgical care for infants, children, and adolescents.

    Clinical Expertise
    Dr. Traynor’s areas of clinical expertise include:

    • Esophageal atresia and airway reconstruction

    • Congenital diaphragmatic hernia

    • Congenital pulmonary airway malformation

    • Hernias (inguinal, umbilical, incisional)

    • Vascular access and nutritional access

    • Gallbladder disease

    • Crohn’s disease and ulcerative colitis

    • Childhood cancers

    • Pediatric endocrine disorders

    • Congenital anomalies

    Education and Training
    Dr. Traynor earned his AB from Princeton University and MD from the University of North Dakota, followed by a Master of Public Health (MPH) from the Harvard T.H. Chan School of Public Health. He completed general surgery training at the Mayo Clinic and a fellowship in pediatric general surgery at the University of Utah.

    Professional Roles
    Dr. Traynor is an Assistant Professor of Surgery at the University of Utah Spencer Fox Eccles School of Medicine. He serves as the Medical Director of the Pulmonary Hypoplasia Clinic and as a sub-specialist in the Esophageal and Airway Center at Intermountain Children’s Hospital. His multidisciplinary work focuses on improving outcomes for children with rare and complex congenital conditions.

    Research and Global Health
    Dr. Traynor’s research interests include esophageal atresia and congenital diaphragmatic hernia. He has been active in global health research and teaching including a multinational project on inguinal hernia in Sierra Leone and Uganda.

    Personal Interests
    Outside of medicine, Dr. Traynor enjoys hunting, fishing, and traveling. He and his wife, Antinea, are proud parents of two boys.

    Board Certification and Academic Information

    Academic Departments Surgery -Assistant Professor
    Academic Divisions Pediatric Surgery

    Education history

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

    Selected Publications

    Journal Article

    1. Traynor MD, Chlan LL, Wzientek C, Yost KJ, Pierson KE, Lee MK, Blackmon SH (2022). Agreement Between Upper Digestive Disease App and Provider Evaluation of Esophagectomy Symptoms in a Mobile App Tool. Ann Thorac Surg, 116(2), 255-261. (Read full publication)
    2. MacArthur TA, Traynor MD Jr, Klinkner DB, Polites SF, Arndt C, Ishitani MB (2022). The Problematic PET: Using CT Albumin Tracer to Resect Suspicious Lymph Nodes Found on PET Scan in Pediatric Oncology Patients. J Pediatr Surg, 58(8), 1550-1554. (Read full publication)
    3. 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 M (2023). Systematic Review of Procedural Skill Simulation in Health Care in Low- and Middle-Income Countries. Simul Healthc. (Read full publication)
    4. Baloul MS, Yeh VJ, Mukhtar F, Ramachandran D, Traynor MD Jr, Shaikh N, Rivera M, Farley DR (2020). Video Commentary & Machine Learning: Tell Me What You See, I Tell You Who You Are. J Surg Educ, 79(6), e263-e272. (Read full publication)
    5. Mahony CR, Traynor MD Jr, Knight AW, Hughes JD, Hernandez MC, Finnesgard EJ, Musa J, Selby SL, Rivera M, Kim BD, Heller SF, Zielinski MD (2021). Small bowel obstruction managed without hospital admission: A safe way to reduce both cost and time in the hospital? Surgery, 171(6), 1665-1670. (Read full publication)
    6. Traynor MD Jr, Lipsitz S, Schroeder TJ, Zielinski MD, Rivera M, Hernandez MC, Stephens DJ (2021). Association of scooter-related injury and hospitalization with electronic scooter sharing systems in the United States. Am J Surg, 223(4), 780-786. (Read full publication)
    7. Traynor MD Jr, Watkins RD, Zielinski MD, Potter DD Jr, Moir CR, Ishitani MB, Klinkner DB (2021). Post-injury outcomes of children with behavioral health disorders. J Pediatr Surg, 57(3), 462-468. (Read full publication)
    8. Musa J, Zielinski M, Hernandez M, Mohan A, Traynor M, Mahony C, Ferrara M, Immerman J, Aho J (2021). Tension pneumothorax decompression with colorimetric capnography: pilot case series. Gen Thorac Cardiovasc Surg, 70(1), 59-63. (Read full publication)
    9. Traynor MD Jr, Zielinski MD, Moir CR, Ishitani MB, Klinkner DB, Bruce JL, Laing GL, Kong VY, Clarke DL (2021). CT scans for pediatric injury in a middle-income country trauma center: Are we repeating past mistakes? J Pediatr Surg, 56(12), 2342-2347. (Read full publication)
    10. Traynor MD, Antiel RM, Camazine MN, Blinman TA, Nance ML, Eghtesady P, Lam SK, Hall M, Feudtner C (2021). Surgical Interventions During End-of-Life Hospitalizations in Children's Hospitals. Pediatrics, 148(6). (Read full publication)
    11. Traynor MD, Brar GD, Bruno FP, Iyer G, Ishitani MB (2021). Pulmonary Metastasectomy in Pediatric Patients: A Comparison of Open and Thoracoscopic Approaches. J Laparoendosc Adv Surg Tech A. (Read full publication)
    12. Brown AD, Traynor MD Jr, Potter DD Jr, Ishitani MB, Moir CR, Galardy PJ, Klinkner DB (2021). Evolution of pediatric gastrointestinal ulcer disease: Is acute surgical intervention relevant? J Pediatr Surg, 56(10), 1870-1875. (Read full publication)
    13. 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 PR (2021). Outcomes of acute respiratory distress syndrome in COVID-19 patients compared to the general population: a systematic review and meta-analysis. Expert Rev Respir Med, 15(10), 1347-1354. (Read full publication)
    14. Traynor MD Jr, Owino J, Rivera M, Parker RK, White RE, Steffes BC, Chikoya L, Matsumoto JM, Moir CR (2021). Surgical Simulation in East, Central, and Southern Africa: A Multinational Survey. J Surg Educ, 78(5), 1644-1654. (Read full publication)
    15. Ewbank C, Stewart B, Bruns B, Deckelbaum D, Gologorsky R, Groen R, Gupta S, Hadley M, Harris MJ, Godfrey R, Jackson J, Leppniemi A, Malone DL, Newton C, Traynor MD Jr, Wong EG, Kushner AL (2020). Introduction of the Surgical Providers Assessment and Response to Climate Change (SPARC2) Tool: One Small Step Toward Reducing the Carbon Footprint of Surgical Care. Ann Surg, 273(4), e135-e137. (Read full publication)
    16. Traynor MD Jr, Potter DD Jr (2020). Initial experience with transanal proctectomy in children. J Pediatr Surg, 56(4), 821-824. (Read full publication)
    17. Ewbank C, Stewart B, Bruns B, Deckelbaum D, Gologorsky R, Groen R, Gupta S, Harris MJ, Godfrey R, Leppniemi A, Malone DL, Newton C, Traynor MD Jr, Wong EG, Kushner AL (2020). The Development of a Surgical Care and Climate Change Matrix: A Tool to Assist With Prioritization and Implementation Strategies. Ann Surg, 273(2), e50-e51. (Read full publication)
    18. Yohanathan L, Croome KP, Traynor M, Puig CA, Mara KC, Cleary SP, Nagorney DM (2020). Significance of proximal ductal margin status after resection of hilar cholangiocarcinoma. HPB (Oxford), 23(1), 109-117. (Read full publication)
    19. Traynor MD, Camazine MN, Potter DD, Moir CR, Klinkner DB, Ishitani MB (2020). A Comparison of Single-Incision Versus Multiport Laparoscopic Splenectomy in Children. J Laparoendosc Adv Surg Tech A, 31(1), 106-109. (Read full publication)
    20. Traynor MD Jr, Hernandez MC, Aho JM, Wise K, Kong V, Clarke D, Harvin JA, Zielinski MD (2020). Damage Control Laparotomy: High-Volume Centers Display Similar Mortality Rates Despite Differences in Country Income Level. World J Surg, 44(12), 3993-3998. (Read full publication)
    21. Bence CM, Traynor MD Jr, Polites SF, Ha D, Muenks P, St Peter SD, Landman MP, Densmore JC, Potter DD Jr (2020). The incidence of venous thromboembolism in children following colorectal resection for inflammatory bowel disease: A multi-center study. J Pediatr Surg, 55(11), 2387-2392. (Read full publication)
    22. Traynor MD Jr, Trelles M, Hernandez MC, Dominguez LB, Kushner AL, Rivera M, Zielinski MD, Moir CR (2019). North American pediatric surgery fellows' preparedness for humanitarian surgery. J Pediatr Surg, 55(10), 2088-2093. (Read full publication)
    23. Traynor MD Jr, McKenna NP, Habermann EB, Antiel RM, Moir CR, Klinkner DB, Ishitani MB, Potter DD Jr (2019). Pouchogram Prior to Ileostomy Reversal after Ileal Pouch-Anal Anastomosis in Pediatric Patients: Is it Useful in the Setting of Routine EUA? J Pediatr Surg, 55(8), 1499-1502. (Read full publication)
    24. 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 DL (2020). Comparison of the Pediatric Resuscitation and Trauma Outcome (PRESTO) Model and Pediatric Trauma Scoring Systems in a Middle-Income Country. World J Surg, 44(8), 2518-2525. (Read full publication)
    25. Traynor MD Jr, Laing GL, Bruce JL, Hernandez MC, Kong VY, Rivera M, Zielinski MD, Clarke DL (2020). Mob Justice in South Africa: A comparison of blunt trauma secondary to community and non-community assaults. Injury, 51(8), 1791-1797. (Read full publication)
    26. Hernandez MC, Traynor MD, Knight AW, Kong VY, Laing GL, Bruce JL, Bekker W, Zielinski MD, Clarke DL (2020). Predicting the Outcome of Non-operative Management of Splenic Trauma in South Africa. World J Surg, 44(5), 1485-1491. (Read full publication)
    27. Traynor MD Jr, McKenna NP, Potter DD Jr, Moir CR, Klinkner DB (2019). The effect of diversion on readmission following ileal pouch-anal anastomosis in children. J Pediatr Surg, 55(3), 549-553. (Read full publication)
    28. Traynor MD Jr, Sada A, Thompson GB, Moir CR, Bancos I, Farley DR, Dy BM, Lyden ML, Habermann EB, McKenzie TJ (2019). Adrenalectomy for non-neuroblastic pathology in children. Pediatr Surg Int, 36(2), 129-135. (Read full publication)
    29. Traynor MD Jr, Hernandez MC, Clarke DL, Kong VY, Habermann EB, Polites SF, Laing GL, Bruce JL, Zielinski MD, Ishitani MB, Moir CR (2019). Utilization of age-adjusted shock index in a resource-strained setting. J Pediatr Surg, 54(12), 2621-2626. (Read full publication)
    30. Traynor MD Jr, Yonkus J, Moir CR, Klinkner DB, Potter DD Jr (2019). Altering the Traditional Approach to Restorative Proctocolectomy After Subtotal Colectomy in Pediatric Patients. J Laparoendosc Adv Surg Tech A, 29(10), 1207-1211. (Read full publication)
    31. Traynor MD Jr, McKenna NP, Habermann EB, Yonkus J, Moir CR, Potter DD Jr, Ishitani MB, Klinkner DB (2019). Utilization of Maneuvers to Increase Mesenteric Length Employed in Children Undergoing Ileal Pouch-Anal Anastomosis. J Laparoendosc Adv Surg Tech A, 29(10), 1285-1291. (Read full publication)
    32. Riley JS, Antiel RM, Flake AW, Johnson MP, Rintoul NE, Lantos JD, Traynor MD, Adzick NS, Feudtner C, Heuer GG (2019). Pediatric neurosurgeons' views regarding prenatal surgery for myelomeningocele and the management of hydrocephalus: a national survey. Neurosurg Focus, 47(4), E8. (Read full publication)
    33. Hernandez MC, Traynor M, Bruce JL, Bekker W, Laing GL, Aho JM, Kong VY, Klinkner DB, Zielinski MD, Clarke DL (2019). Surgical Considerations for Pediatric Snake Bites in Low- and Middle-Income Countries. World J Surg, 43(7), 1636-1643. (Read full publication)
    34. 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 SF (2019). Trauma registry data as a tool for comparison of practice patterns and outcomes between low- and middle-income and high-income healthcare settings. Pediatr Surg Int, 35(6), 699-708. (Read full publication)
    35. Carson PJ, Danford M, Carson G, Hanish C, Thompson J, Orr M, Traynor M, Roth F, Guerrero D (2015). "Bringing down the flag": removing the contact precautions label for non-hospitalized patients with prior methicillin-resistant Staphylococcus aureus infection or colonization. Infect Control Hosp Epidemiol, 36(5), 578-80. (Read full publication)