Hari Nathan
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About
Dr. Nathan completed both his undergraduate and medical education with honors at The Johns Hopkins University. He also completed advanced training in health services research and was awarded a PhD from The Johns Hopkins Bloomberg School of Public Health. Dr. Nathan completed his clinical residency training in general surgery at The Johns Hopkins Hospital. He subsequently completed a clinical fellowship in complex general surgical oncology at Memorial Sloan Kettering Cancer Center, where he also served as the Chief Administrative Fellow in Surgery. He joined the faculty of the University of Michigan in 2014.
Dr. Nathan's clinical focus includes the multi-disciplinary treatment of tumors of the pancreas, liver, bile duct, and stomach. He has particular interests in the treatment of liver metastases from colorectal cancer and directs Michigan Medicine’s Hepatic Artery Infusion Pump (HAIP) Program. He also serves as the Surgical Director of the Multidisciplinary Pancreatic Cancer Clinic, coordinating the efforts of a multidisciplinary team at the busiest pancreatic cancer program in Michigan.
Qualifications
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Fellowship in Complex General Surgical OncologyMemorial Sloan Kettering Cancer Center, Surgery, New York, United States
2012 - 2014
Clinical Fellowship
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General Surgery ResidencyJohns Hopkins Hospital, Surgery, Baltimore, United States
2004 - 2012
Residency
Center Memberships
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Center MemberAI and Digital Health Innovation
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Center MemberRogel Cancer Center
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Center MemberInstitute for Healthcare Policy and Innovation
Research Overview
Dr. Nathan works to improve the value of surgical care for patients and payers. His health services research portfolio focuses on variation in the cost and quality of surgical care, and he seeks to identify strategies to improve outcomes and control costs. He received a K08 career development award from the Agency for Healthcare Research and Quality (AHRQ) and is a co-investigator on two National Institutes of Health (NIH) R01 grants, all focused on evaluating the impact of Medicare payment policy innovations on the costs and quality of surgical care. Recently, his work has shifted on leveraging the assets of hospital systems to optimize surgical care. Dr. Nathan was awarded the 2018 Joan L. and Julius H. Jacobson II Promising Investigator Award by the American College of Surgeons in recognition of his past work and anticipated future contributions.
Dr. Nathan is heavily involved in national and regional efforts to improve the value of healthcare services. He is the Director of the Michigan Value Collaborative, a coalition of 87 Michigan hospitals focused on achieving the best possible outcomes at the lowest reasonable cost for patients in Michigan. He is the Co-Chair of the Cancer Steering Committee for the Michigan Surgical Quality Collaborative (MSQC) and directs MSQC efforts to standardize pancreatectomy care across the state of Michigan. Finally, he is the Cancer Liaison Physician to Michigan Medicine for the American College of Surgeons Commission on Cancer.
Recent Publications
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Jensen CB, Jackson CM, Xie S, Sinha A, Bacon EM, Krumeich LN, Underwood HJ, Hughes DT, Gauger PG, Nathan H, Pitt SC. Journal of the American College of Surgeons, 2026 Mar 1; 242 (3): 572 - 580.Journal ArticleFactors Associated with Receiving Thyroid Cancer Care From High-Volume Surgeons: Analysis of a State-Wide Claims Registry
DOI:10.1097/XCS.0000000000001703 PMID: 41358606 -
Jensen CB, Xie S, Sinha A, Bacon EM, Underwood HJ, Nathan H, Pitt SC. American Journal of Surgery, 2026 Mar 1; 253:Journal ArticleStatewide episode spending variation of thyroidectomy for lower-risk thyroid cancer
DOI:10.1016/j.amjsurg.2025.116816 PMID: 41539038 -
Mott NM, Kim E, Jacobson-Davies F, Englesbe MJ, Nathan H, Dossett LA. American Journal of Surgery, 2026 Mar 1; 253:Journal ArticleStatewide trends in routine pre-operative testing before low-risk surgery
DOI:10.1016/j.amjsurg.2025.116815 PMID: 41518735 -
Jensen CB, Xie S, Sinha A, Nathan H, Greenup RA, Pitt SC. Journal of the Endocrine Society, 2025 Oct 24; 9 (Supplement_1): bvaf149.2177Journal ArticleMON-403 The Burden Of Post-thyroidectomy Fatigue In Benign Nodular Thyroid Disease: A Healthcare Utilization And Cost Analysis
DOI:10.1210/jendso/bvaf149.2177 PMID: PMC12545922 -
Kim E, Mott NM, Greene D, Mefford V, Cuttitta A, Smith SN, Kerr EA, Edelman AL, Mathis MR, Englesbe MJ, Nathan H, Dossett LA. Journal of Surgical Research, 2025 Oct 1; 314: 353 - 361.Journal ArticleScaling Smarter Preoperative Testing: A Multisite Evaluation of Adaptations to De-implementation Strategy Using Framework for Reporting Adaptations and Modifications to Evidence-Based Implementation Strategies
DOI:10.1016/j.jss.2025.07.033 PMID: 40812166 -
Diaz A, Nuliyalu U, Ryan AM, Dimick JB, Ibrahim AM, Nathan H. Annals of Surgery, 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 -
Antunez AG, Kazemi RJ, Richburg C, Pesavento C, Vastardis A, Kim E, Kappelman AL, Nanua D, Pediyakkal H, Jacobson-Davies F, Smith SN, Henderson J, Gavrila V, Cuttitta A, Nathan H, Dossett LA. JAMA Surgery, 2025 Mar 12; 160 (3): 304 - 311.Journal ArticleMulticomponent Deimplementation Strategy to Reduce Low-Value Preoperative Testing
DOI:10.1001/jamasurg.2024.6063 PMID: 39813049 -
Mullens CL, Sheskey S, Norton EC, Thumma JR, Nathan H, Regenbogen SE, Sheetz KH. Ann Surg Open, 2025 Mar; 6 (1): e538Journal ArticleSurgical Approach and Variation in Long-Term Survival Following Colorectal Cancer Surgery Using Instrumental Variable Analysis.
DOI:10.1097/AS9.0000000000000538 PMID: PMC11932609
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