Education & Training

Medical School

Madurai Medical College


Internal Medicine

  • University of Missouri Health Care


Pulmonary Critical Care Medicine

  • University of Missouri Health Care

Infectious Diseases

  • University of Missouri Health Care


American Board of Internal Medicine.
American Board of IM - Infectious Disease
American Board of IM - Critical Care Medicine


MU Health Care participates with most major managed care organizations. To find out whether MU Health Care is a participating provider in your insurance plan or network, or for information on co-payments and deductibles, please contact your insurance carrier directly.

In the News

Dr. Regunath Discusses Histoplasmosis on ABC 17
The Coronavirus: What Mid-Missourians Should Know (KFRU)

Academic Information

Assistant Professor of Clinical Medicine
Medical Director, Progressive Care Unit, University Hospital
Chair, MU Health Care Mortality Review Work Group


1 Hospital Drive
Columbia, MO 65212
United States

F. 573-884-1235

Research Interests

  • Antimicrobial resistance
  • Nosocomial Infections
  • Sepsis/Septic Shock
  • Infective Endocarditis
  • Imported exotic diseases
  • Acute Respiratory Distress Syndrome

Areas of Expertise

  • Hospitalist medicine
  • Critical care medicine
  • Infectious diseases

Awards & Honors

Honors & Awards

  • 2019 - Excellence in Education: Most Outstanding Clinical Educator (Medical Students Affairs Council)
  • 2019 - Outstanding teacher – Department of Medicine
  • 2018 - Quality Improvement Mentor of the Year 2017-18
  • 2018 - Outstanding Teacher – Department of Medicine
  • 2018 - Elected into Alpha Omega Alpha Honor Medical Society
  • 2017 - Student Teaching Award - Outstanding Clinical Faculty - Inpatient
  • 2013 - Overall Best Resident

Profesional Societies

  • American College of Physicians
  • Infectious Diseases Society of America
  • Society of Critical Care Medicine
  • American Medical Association


  • 2009-10: Assistant professor, Medical Intensive Care Unit, SRM Medical College and Research Center, India


Selected Publications

  1. Regunath H, Moulton, N., Woolery, D., Alnijoumi, M., Whitacre, T., & Collins, J. (2018). Ultra-protective mechanical ventilation without extra-corporeal carbon dioxide removal for acute respiratory distress syndrome. Journal of the Intensive Care Society, 1751143718774712.
  2. Haslag-Minoff J, Regunath H. Relapsing Polychondritis. N Engl J Med. 2018 May 3;378(18):1715. doi: 10.1056/NEJMicm1713302. PubMed PMID: 29719184
  3. Regunath H, Cochran K, Cornell K, Shortridge J, Kim D, Akbar S, Boshard B,Chitima-Matsiga R, Reddy J, Keithahn S, Koller JP. Is It Painful to Manage Chronic Pain? A Cross-Sectional Study of Physicians In-Training in a University Program. Mo Med. 2016 Jan-Feb;113(1):72-8. PubMed PMID: 27039496.
  4. Regunath H, Kimball J, Smith LP, Salzer W. Severe Community-Acquired Pneumonia with Bacteremia Caused by Herbaspirillum aquaticum or Herbaspirillum huttiense in an Immune-Competent Adult. J Clin Microbiol. 2015 Sep; 53 (9):3086-8. doi: 10.1128/JCM.01324-15. Epub 2015 Jul 15. PubMed PMID: 26179298; PubMed Central PMCID: PMC4540902.
  5. Khosla N, Washington KT, Regunath H. Perspectives of Health Care Providers on US South Asians' Attitudes toward Pain Management at End of Life. Am J Hosp Palliat Care. 2015 Jun 29. pii: 1049909115593063. [Epub ahead of print] PubMed PMID: 26124469.
  6. Regunath H, Ariyamuthu VK, Dalal P, Misra M. Bath salt intoxication causing acute kidney injury requiring hemodialysis. Hemodial Int. 2012 Oct;16 Suppl 1:S47-9.
  7. Regunath H, Shivakumar BM, Kurien A, Satyamoorthy K, Pai CG. Anthropometric measurements of nutritional status in chronic pancreatitis in India: comparison of tropical and alcoholic pancreatitis. Indian J Gastroenterol. 2011. Mar; 30(2):78-83.
  8. Regunath H, Pai G. Under-nutrition in tropical pancreatitis: cause or effect? Gastroenterology 2009 May;136: A-388.
  9. Regunath H, Shivasankara KN, Sundeep KB, Bhaskar AP. Reactivation of Herpes Zoster in an adult with plasmodium infection. Journal of Vector Borne Diseases. 2008 Sep; 7(3): 251-253.
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