
George D Zuidema Professor of Surgery
Associate Professor of Surgery
Associate Chair, Department of Surgery
Associate Professor of Architecture and Urban Planning
A Alfred Taubman College of Architecture and Urban Planning
[email protected]
Available to mentor
Andrew M Ibrahim, MD, MSc

Associate Professor
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BACase Western Reserve University
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Affiliate, ArchitectureUniversity College London
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MDCase Western Reserve University
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MScUniversity of Michigan
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Center MemberPrecision Health Initiative
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Center MemberInstitute for Healthcare Policy and Innovation
Surgery Redesign
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Diaz A, Nuliyalu U, Ryan AM, Dimick JB, Ibrahim AM, Nathan H. Ann Surg, 2025 Jun 1; 281 (6): 952 - 959.Journal ArticleAssociation of Hospital System Affiliation With Spending and Postoperative Outcomes: A Longitudinal Study of Hospital Mergers And Acquisitions From 2010 To 2018.
DOI:10.1097/SLA.0000000000006431 PMID: 38975672 -
Williams JE, Schaefer SL, Jacobs RC, Jacobson-Davies F, Ibrahim AM, Odell DD. J Thorac Cardiovasc Surg, 2025 Jun; 169 (6): 1585 - 1592.Journal ArticlePostoperative outcomes following lung resection performed at private equity-acquired hospitals.
DOI:10.1016/j.jtcvs.2024.12.032 PMID: 39824345 -
Isenberg EE, Bui E, Kunnath N, Harbaugh CM, Ibrahim A. Am J Surg, 2025 Jun; 244: 116300Journal ArticleQuality and utilization of surgical care among Medicare Advantage beneficiaries.
DOI:10.1016/j.amjsurg.2025.116300 PMID: 40138975 -
Diaz A, Mead M, Rohde S, Kunnath N, Dimick JB, Ibrahim AM. Health Aff (Millwood), 2025 May; 44 (5): 554 - 562.Journal ArticleHospitals Acquired By Private Equity Firms: Increased Postoperative Mortality For Common Inpatient Surgeries.
DOI:10.1377/hlthaff.2024.01102 PMID: 40324137 -
Mullens CL, Johnson PL, Probst JC, Dimick JB, Ibrahim AM, Diaz A. Health Aff Sch, 2025 May; 3 (5): qxaf089Journal ArticleChanges in surgical quality and access after rural hospital closures.
DOI:10.1093/haschl/qxaf089 PMID: PMC12048781 -
Mullens CL, Collins RA, Kunnath N, Probst JC, Ibrahim AM. JAMA, 2025 Apr 22; 333 (16): 1453 - 1455.Journal ArticleTrends in Travel Time to Obtain Surgical Care for Rural Patients.
DOI:10.1001/jama.2025.0447 PMID: PMC11822571 -
Mullens CL, Mead M, O'Neill SM, Harbaugh CM, Ibrahim AM. Cureus, 2025 Apr; 17 (4): e82619Journal ArticleService Changes, Utilization, and Financial Performance After Critical Access Hospitals Join Hospital Systems.
DOI:10.7759/cureus.82619 PMID: PMC12092954 -
Williams JE, Schaefer SL, Jacobs RC, Ibrahim AM, Odell DD. JAMA Surg, 2025 Mar 1; 160 (3): 296 - 302.Journal ArticleEsophagectomy Trends and Postoperative Outcomes at Private Equity-Acquired Health Centers.
DOI:10.1001/jamasurg.2024.5920 PMID: PMC11904734

Health Lab
Rural patients face long drives for surgery, especially if they want to reach a high quality and affordable hospital.

Health Lab
Women over the age of 65 who require complex heart surgery are more likely than men to receive care at low quality hospitals — where they also die in greater numbers following the procedure, a Michigan Medicine study finds.

Points of Blue
Ahmad Hider (he/him/his) is from nearby Dearborn, MI and graduated with a B.S. from the University of Michigan in 2017, followed by a Masters of Philosophy in Translational Biomedical Research from the University of Cambridge in 2019.