
Lazar J Greenfield M.D. Professor of Surgery
Associate Chair, Department of Surgery
Professor of Surgery
Section Head, Surgery
Service Chief
[email protected]
Available to mentor
Dana A Telem

Professor
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MPHColumbia University Mailman School of Public Health, USA, 2016
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MDJefferson Medical College, Philadelphia, 2005
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Center MemberInstitute for Healthcare Policy and Innovation
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Schoel LJ, Sinamo J, Fry BT, Hallway A, Rubyan M, Howard R, Shao JM, O'Neill SM, Telem DA, Ehlers AP. Hernia, 2025 Jan 23; 29 (1): 75Journal ArticleImpact of preoperative frailty status on decision regret following elective hernia repair.
DOI:10.1007/s10029-024-03254-y PMID: 39847111 -
Hallway A, Isenberg E, Howard R, O'Neill S, Shao J, Schoel L, Rubyan M, Ehlers A, Telem D. JAMA, 2025 Jan 16;Journal ArticleMedicare Coding Changes and Reported Hernia Size.
DOI:10.1001/jama.2024.26829 PMID: 39821278 -
Hallway AK, Sinamo JK, Fry BT, Kappelman AL, Huynh D, Schoel LJ, O'Neill SM, Rubyan M, Shao JM, Telem DA, Ehlers AP. Surg Endosc, 2025 Jan; 39 (1): 632 - 638.Journal ArticleComparisons of 30-day outcomes after ventral hernia repair by body mass index and surgical approach: a retrospective cohort study.
DOI:10.1007/s00464-024-11379-5 PMID: 39511002 -
Greene AK, Szczygiel LA, Thomas JD, Jones RD, Cutter CM, Feldman EL, Kerr EA, Paradis KC, Settles IH, Singer K, Spector ND, Stewart AJ, Telem D, Ubel PA, Jagsi R. Acad Med, 2025 Jan 1; 100 (1): 42 - 49.Journal ArticleLeadership Experiences and Perceptions of Mid-Career to Senior Clinician-Scientists: A Qualitative Exploration.
DOI:10.1097/ACM.0000000000005777 PMID: 38838195 -
Fry BT, Schoel LJ, Howard RA, Thumma JR, Kappelman AL, Hallway AK, Ehlers AP, O'Neill SM, Rubyan MA, Shao JM, Telem DA. JAMA Surg, 2025 Jan 1; 160 (1): 10 - 18.Journal ArticleLong-Term Outcomes of Component Separation for Abdominal Wall Hernia Repair.
DOI:10.1001/jamasurg.2024.5091 PMID: 39535784 -
Fry BT, Kappelman AL, Sinamo JK, Huynh D, Schoel LJ, Hallway AK, Ehlers AP, O'Neill SM, Rubyan MA, Shao JM, Telem DA. Surg Endosc, 2025 Jan; 39 (1): 504 - 512.Journal ArticleLong-term patient reported outcomes after robotic, laparoscopic, and open ventral hernia repair.
DOI:10.1007/s00464-024-11326-4 PMID: 39414668 -
Fried GM, Varas J, Telem DA, Greenberg CC, Hashimoto DA, Paige JT, Pugh C. Ann Surg, 2025 Jan 1; 281 (1): 34 - 39.Journal ArticleOpportunities and Applications of Educational Technologies in Surgical Education and Assessment.
DOI:10.1097/SLA.0000000000006367 PMID: 38810267 -
Sukhon D, Bradley SE, Hallway A, Fry B, Hosea F, Schoel L, Rubyan M, Shao J, O'Neill S, Telem D, Ehlers AP. Surg Endosc, 2025 Jan; 39 (1): 594 - 603.Journal ArticleUnderstanding patient experiences to improve care for females groin hernia.
DOI:10.1007/s00464-024-11255-2 PMID: 39453455