Nancy Puzziferri, M.D., M.S., FACS

  • Assistant Professor of Surgery, Division of Bariatric Surgery, School of Medicine


  • B.S., 1983, Colorado State University
  • M.D., 1995, University of Wisconsin, School of Medicine and Public Health
  • M.S., 2012, University of Texas Southwestern Medical Center
  • Residency:

    • General Surgery, University of California, Davis, 1995-1998
    • General Surgery, University of California, San Francisco, 2001-2003
  • Fellowship:

    • Research Fellow, Wound Healing Research Laboratory, University of California, San Francisco, 1998-2001
    • Minimally Invasive Surgery, University of California, Davis, 2003-2004
  • Certifications:

    • American Board of Surgery, General Surgery, 2005, 2015
    • American Board of Obesity Medicine, 2019

Memberships and associations

  • Society of American Gastrointestinal Endoscopic Surgeons
  • American Society for Metabolic and Bariatric Surgery
  • The Obesity Society
  • American College of Surgeons, Fellow
  • American Diabetes Association


Elsevier pure profile

Selected publications

  • Tucker WJ, Thomas BP, Puzziferri N, Samuel TJ, Zaha VG, Lingvay I, Almandoz J, Wang J, Gonzales EA, Brothers RM, Nelson MD: Impact of bariatric surgery on cerebral vascular reactivity and cognitive function: a non-randomized pilot study. Pilot Feasibility Stud; Feb 13;6:21. doi: 10.1186/s40814-020- 00569-2. eCollection 2020.
  • Mani BK, Puzziferri N, Rodriguez J, Osborne-Lawrence S, Metzger N, Zigman JM: LEAP2 is a metabolic hormone responsive to changes in body mass and feeding in humans and mice. J Clin Invest ; Sep 3; 129(9):3909-3923, 2019.
  • Stefanidis D, King WC, Puzziferri N, Butler AR, Hutter M, Sudan R: Development of ASMBS Research Agenda for Bariatric Surgery Using the Delphi Methodology. SOARD; Sept; 15(9): 1563-1569, 2019.
  • Carranza-Leon*^, BG, Puzziferri N*, Adams-Huet B, Jabbour II^, Lingvay, I: Metabolic response 4 years after gastric bypass in a complete cohort with type 2 diabetes mellitus. Diabetes Res Clin Prac : Jan 31;137:224-230, 2018. *Shared first authorship.
  • Partain N^, Mokdad A, Puzziferri N, Poremka J, Seiler S, Christie A, Farr D, Rivers A, Leitch AM, Wooldridge R, Huth J, Rao R: Mammographic Density Changes in Surgical Weight Loss-an Indication for Personalized Screening. BMC-Med Imaging; May 9; 18 (1): 10, 2018.
  • Nassour I^, Almandoz J, Adams-Huet B, Kukreja S, Puzziferri N: Metabolic syndrome remission after Roux-en-Y gastric bypass or sleeve gastrectomy. Diabetes Metab Syndr Obes Sept 20(10): 393-402, 2017.
  • Puzziferri N, Zigman JM, Thomas B, Mihalakos P, Gallagher R^, Lutter M, Carmody T, Lu H, Tamminga C: Brain imaging demonstrates a reduced neural impact of eating in obesity. Obesity April 24(4): 829-36, 2016.
  • Puzziferri N, Roshek T^, Mayo H, Gallagher R^, Livingston EH: Long-term bariatric surgery outcomes: a systematic review. JAMA September 3 312(9): 934-42, 2014.
  • Brandon AR, Puzziferri N, Sadler JZ: Stuck in the Middle: What Should a Good Society Do? Am J Bioethics . Dec 10 (12): 18-20, 2010.
  • Puzziferri N, Nakonezny PA, Livingston EH, Carmody TJ, Provost DA, Rush AJ: Variations of Weight Loss Following Gastric Bypass and Gastric Band. Ann Surg. Aug 248(2): 233-42, 2008.


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