Nathan Haas, MD

Nathan Haas
Assistant Medical Director of Emergency Critical Care Center (EC3) and Clinical Associate Professor of Emergency Medicine
Medical School
Michigan Medicine
Taubman Center B1-354-K 1500 E Medical Center Drive, SPC 5303
Ann Arbor, MI 48109-5303
[email protected]
Available to mentor
Nathan Haas, MD
Nathan Haas
Clinical Associate Professor
  • About
  • Qualifications
  • Center Memberships
  • Research Overview
  • Recent Publications
  • Manage Your Profile

  • About

    I am a practicing Emergency Physician, and I work clinically in the Adult Emergency Department and the Emergency Critical Care Center (EC3), where I serve as Assistant Medical Director.

    Qualifications

    • Advanced Research Methodology Evaluation and Design (ARMED)
      Society for Academic Emergency Medicine (SAEM), United States
      2018 - 2019
      Chief Resident
    • Emergency Medicine Residency
      University of Michigan, Ann Arbor, United States
      2014 - 2018
      Residency
    • Chief Resident, Emergency Medicine
      University of Michigan, Ann Arbor, United States
      2017 - 2018
      Chief Resident
    • Healthcare Administration Scholars Program
      University of Michigan, Ann Arbor, United States
      2016 - 2018
      Chief Resident
    • Leadership Acadamy
      American Academy of Emergency Medicine, United States
      2017 - 2017
      Chief Resident
    • Research Honors Program
      Loyola University Chicago Stritch School of Medicine, United States
      2011 - 2014
      Chief Resident
    • Leadership in Medicine Program
      Loyola University Chicago Stritch School of Medicine, United States
      2012 - 2014
      Chief Resident
    • MD
      Loyola University Chicago Stritch School of Medicine, Maywood, IL, United States
      2010 - 2014
    • BS
      University of Illinois, Urbana-Champaign, IL, United States
      2006 - 2009

    Center Memberships

    • Center Member
      Weil Institute for Critical Care Research
    • Center Member
      Caswell Diabetes Institute

    Research Overview

    My main research interests are the delivery of ED-based critical care, including assessing outcomes associated with our novel ED-ICU, management strategies for diabetic ketoacidosis (DKA), and out-of-hospital cardiac arrest.

    Recent Publications

    See All Publications
    • Journal Article
      National Intensive Care Unit Utilization for Diabetic Ketoacidosis Increased from 2012 to 2022
      Haas NL, Viderman D, Ahdoot R, Seiler K, Griffey RT, Schneider R, Cranford JA, Janke A. Michigan Journal of Medicine, 2026 Jun 21; DOI:10.3998/mjm.9616
    • Journal Article
      B54-03 Predictors of Treatment-associated Complications in Adults With Diabetic Ketoacidosis
      Clark A, Griffey RT, Schneider RM, Suarez DF, Cranford JA, Haas NL. American Journal of Respiratory and Critical Care Medicine, 2026 May 20; 212 (Supplement_1): aamag162.5071 DOI:10.1093/ajrccm/aamag162.5071
    • Journal Article
      How Often Are Emergency Patients Diagnosed With Diabetic Ketoacidosis Despite Not Meeting Laboratory Criteria?
      Griffey RT, Haas N, Schneider RM, Suarez D, Kline JA, Ancona R, Cruz-Bravo P. Academic Emergency Medicine, 2026 May 1; 33 (5): DOI:10.1111/acem.70315
      PMID: 42089584
    • Journal Article
      Euglycemic Diabetic Ketoacidosis Treatment Protocol With Increased Dextrose Supplementation to Prevent Hypoglycemia
      Clark AT, Sell J, Ang L, Esfandiari NH, Cranford JA, Haas NL. Academic Emergency Medicine, 2026 Apr 1; 33 (4): DOI:10.1111/acem.70278
    • Journal Article
      Continuous Ketone Monitoring in Diabetic Ketoacidosis: Prospective Multicenter Method-Comparison and Feasibility Study.
      Haas NL, Korley FK, Schneider RM, Mamillapalli SL, Hepworth E, Cranford JA, Lin YK, Griffey RT. Diabetes Technol Ther, 2026 Mar 9; 15209156261428034 DOI:10.1177/15209156261428034
      PMID: 41800718
    • Journal Article
      Managing Diabetic Ketoacidosis
      Yan JW, Haas NL. Annals of Emergency Medicine, 2026 Jan 1; DOI:10.1016/j.annemergmed.2026.06.001
    • Journal Article
      Glial Fibrillary Acidic Protein and Ubiquitin C-Terminal Hydrolase L1 for Acute Traumatic Intracranial Lesions: The PIONEER Diagnostic Accuracy Study.
      Roberts NB, Xie T, Falk H, Bapuraj J, Demski D, Gherasim C, Fung CM, Haas NL, Kocher KE, Seagly KS, Medlin RP, Kallabat A, Askar A, Joseph J, Schipper MJ, Korley FK. Ann Emerg Med, 2025 Oct 9; DOI:10.1016/j.annemergmed.2025.09.012
      PMID: 41071136
    • Journal Article
      Two-bag Versus One-bag Method for Adult and Pediatric Diabetic Ketoacidosis Management.
      Srikrishnaraj A, Souter AR, Woods N, Van Aarsen K, Iansavitchene A, Haas NL, Yan JW. Ann Emerg Med, 2025 Sep 6; DOI:10.1016/j.annemergmed.2025.07.032
      PMID: 40913602

    Featured News & Stories

    In the foreground, a patient wearing a continuous glucose monitor on their left arm listens to a clinician, who is seated across from them and is holding a tablet.
    Research News

    Weil team’s publication the second most downloaded in critical care-focused medical journal

    The study’s authors speculate that the recognition by CHEST Critical Care could indicate a rising interest in critical care research led by emergency departments.
    Emergency Department entrance
    Department News

    Emergency Department achieves success in faculty promotions

    The Department of Emergency Medicine is proud to celebrate the promotion of all ten faculty members proposed this cycle. Approved by the University of Michigan Board of Regents May 15 and effective August 25, 2025, these promotions span the clinical, research, and tenure tracks.
    drawing of blood monitor on person
    Health Lab

    Continuous glucose monitors can optimize diabetic ketoacidosis management

    University of Michigan researchers show that using continuous glucose monitors can help measure glucose accurately during DKA and potentially prevent ICUs from being overwhelmed.
    Illustration of the BioHelmet depicting clean air flowing in via the helmet's shroud and contaminated air flowing out through the attached HEPA filter and waist-mounted fan unit.
    Research News

    Weil Institute spin-off InspireRx awarded over $2 million for patient isolation system guarding against airborne infections

    InspireRx, LLC., a spin-off company of the University of Michigan (U-M) Max Harry Weil Institute for Critical Care Research and Innovation, received over $2 million in Small Business Innovation Research (SBIR) grants to support further development of the AerosolVE BioHelmet, a compact negative pressure system for patients with highly contagious airborne respiratory infections such as COVID-19.