
Clinical Assistant Professor of Surgery
Department of Surgery
1500 E. Medical Center Dr.
Ann Arbor, Michigan 48109-5033
[email protected]
1500 E. Medical Center Dr.
Ann Arbor, Michigan 48109-5033
Available to mentor
Raymond A Jean

Clinical Assistant Professor
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Fellow, Surgical Critical Care/Trauma trackHarborview Medical Center, Seattle, 2022
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Chief Resident, General SurgeryYale New Haven Hospital, New Haven, 2021
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Categorical Intern and Resident, General SurgeryYale New Haven Hospital, New Haven, 2020
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Postdoctoral Research Fellow, National Clinician Scholars ProgramYale School of Medicine, New Haven, 2018
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Doris Duke Pre-Doctoral Clinical Research FellowshipWashington University in St. Louis School of Medicine, St Louis, 2013
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MHS - Masters DegreeYale School of Medicine, New Haven, 2018
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MD - Medical DegreeWashington University in St. Louis School of Medicine, St Louis, 2014
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MA - Masters DegreeWashington University in St. Louis School of Medicine, St Louis, 2014
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AB - Bachelors DegreeHarvard College, Cambridge, 2008
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Center MemberPrecision Health Initiative
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Center MemberInstitute for Healthcare Policy and Innovation
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Center Membere-Health and Artificial Intelligence Initiative
1. The integration of computational tools including machine learning and artificial intelligence into perioperative decision-making to improve outcomes and to narrow sociodemographic disparities.
2. The identification and mitigation of sociodemographic disparities in pre-operative surgical decision-making and post-operative complications.
3. Assessment and identification of how medical comorbidity impacts perioperative outcomes in trauma and general surgery.
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Jean RA, Sinha A, Diaz SD, Jou K, Aubry ST, Hemmila MR, Ibrahim AM. JAMA Netw Open, 2025 Jan 2; 8 (1): e2456234Journal ArticleFirearm-Related Injury Hospital Admissions During the COVID-19 Pandemic.
DOI:10.1001/jamanetworkopen.2024.56234 PMID: 39869339 -
Dougherty JM, Gerhardinger LJ, Johnson PL, Regenbogen SE, Scott JW, Sangji NF, Jean RA, Hemmila MR, Oliphant BW. J Trauma Acute Care Surg, 2025 Feb 17;Journal ArticleVenous thromboembolism events in trauma patients after hospital discharge.
DOI:10.1097/TA.0000000000004527 PMID: 39956985 -
Johnson PL, Dualeh SHA, Ward AL, Jean RA, Aubry ST, Chapman AJ, Curtiss WJ, Joseph JR, Scott JW, Hemmila MR. J Trauma Acute Care Surg, 2024 Oct 1; 97 (4): 590 - 603.Journal ArticleAssociation of timing and agent for venous thromboembolism prophylaxis in patients with severe traumatic brain injury on venous thromboembolism events, mortality, neurosurgical intervention, and discharge disposition.
DOI:10.1097/TA.0000000000004383 PMID: 38745357 -
Jean RA, Dimick JB, Ibrahim AM. Am J Surg, 2024 Oct; 236: 115806Journal ArticleSteps to writing a career development award for a surgeon-scientists.
DOI:10.1016/j.amjsurg.2024.115806 PMID: 38991913 -
Jean RA, Diaz SD, Panzer KV, Bahar P, Burgi K, Jaber M, Manuel K, Muna H, Scott JW, Wang SC, Hemmila MR. J Surg Res, 2024 Oct; 302: 568 - 577.Journal ArticleThe Association Between Home and Crash Site Social Vulnerability on Injury and Mortality After Motor Vehicle Crashes: Implications for Traffic Policy.
DOI:10.1016/j.jss.2024.07.056 PMID: 39178573 -
Guerra ME, Chiu AS, Chilakamarry S, Jean R, Brandt WS, Ruangvoravat L, Davis KA. Am Surg, 2023 Nov; 89 (11): 4552 - 4558.Journal ArticleRisk Factors for the Failure of Non-operative Management Among Patients Admitted for Colonic Diverticulitis.
DOI:10.1177/00031348221121546 PMID: 35986004 -
O'Neill KM, Jean RA, Dodington J, Davis K, Becher RD. J Surg Res, 2022 Jun; 274: 23 - 30.Journal ArticleEvaluation of Firearm-Related Reinjury in Connecticut: An Opportunity for Gun Violence Prevention.
DOI:10.1016/j.jss.2021.12.009 PMID: 35121547 -
Jean RA, O'Neill KM, Johnson DC, Becher RD, Schuster KM, Davis KA, Maung AA. J Surg Res, 2022 May; 273: 192 - 200.Journal ArticleAssessing the Race, Ethnicity, and Gender Inequities in Blood Alcohol Testing After Trauma.
DOI:10.1016/j.jss.2021.12.032 PMID: 35092878

Health Lab
Hospital stays related to gun injuries dipped then rose sharply, and paralleled gun sales trends, with disparities by age, race and health insurance status.