Sarah Elfering, MD

Assistant Professor of Medicine, Division of Nephrology and Hypertension

Sarah Elfering

Contact Info

Mailing Address:
717 Delaware Street SE
Suite 353
MMC 1932
Minneapolis, MN 55414

Administrative Assistant Name

Administrative Phone

Administrative Email

Administrative Fax Number

Assistant Professor of Medicine, Division of Nephrology and Hypertension

Nephrology Fellowship Program Director, Division of Nephrology and Hypertension


Medical School, University of Minnesota, Minneapolis, MN

Residency, Providence St. Vincent Medical Center, Portland, OR

Fellowship, University of Minnesota, Minneapolis, MN


Dr. Sarah Elfering has earned her medical degree from the University of Minnesota Medical School. She completed her Internal Medicine Residency at the Providence St. Vincent Medical Center in Portland, Oregon and returned to the University of Minnesota Medical School for her Nephrology Fellowship. Dr. Elfering’s clinical and research interests include medical management of kidney stones, chronic kidney disease and dialysis.


  • Kidney Stones
  • Home Dialysis, Peritoneal Dialysis
  • Kidney Disease

Awards & Recognition

  • Mpls.St.Paul Magazine Top Doctor: Rising Stars (2019, 2020, 2021)
  • American Board of Internal Medicine (2019)
  • Minnesota Board of Medical Practice (2019)
  • Education Excellence Award (2018)
  • Herz Faculty Teaching Development Award (2018)
  • Poster Winner of National Associates Abstract Competition, American College of Physicians National Meeting (2009)
  • Winchell Award, Excellence in Undergraduate Research from the Minnesota Academy of Sciences (2000) 

Professional Associations

  • American Society of Nephrology


Research Summary/Interests

  • Medical Management of Kidney Stones
  • Chronic Kidney Disease
  • Dialysis
  • Genetic Kidney Diseases

Research Projects

  • Contamination Resistant Interconnection for Reducing Peritoneal Dialysis Associated Peritonitis (2020-2021)
  • I-Corps: Sterile Connection Interface Technology (2019-2020)
  • Reducing infection risks on in pediatric patients on peritoneal dialysis (2019)


  • Haynes, V., Traaseth, N., Elfering, S., Fujisawa, Y., & Giulivi, C. (2010). Nitration of specific tyrosines in FoF1 ATP synthase and activity loss in aging. American Journal of Physiology-Endocrinology and Metabolism, 298(5), E978-E987.
  • Mazzanti, R., Solazzo, M., Fantappié, O., Elfering, S., Pantaleo, P., Bechi, P., Cianchi, F., Ettl, A., & Giulivi, C. (2006). Differential expression proteomics of human colon cancer. American Journal of Physiology - Gastrointestinal and Liver Physiology, 290(6), G1329-G1338.
  • Oursler, M., Bradley, E., Elfering, S., & Giulivi, C. (2005). Native, not nitrated, cytochrome c and mitochondria-derived hydrogen peroxide drive osteoclast apoptosis. American Journal of Physiology: Cell Physiology, 288(1), C156-C168.
  • Haynes, V., Elfering, S., Traaseth, N., & Giulivi, C. (2004). Mitochondrial nitric-oxide synthase: enzyme expression, characterization, and regulation. Journal of Bioenergetics and Biomembranes, 36(4), 341-346.
  • Traaseth, N., Elfering, S., Solien, J., Haynes, V., & Giulivi, C. (2004). Role of calcium signaling in the activation of mitochondrial nitric oxide synthase and citric acid cycle. Biochimica et Biophysica Acta, 1658(1-2), 64-71.


Academic Interests and Focus

Nephrology Fellowship Program


Clinical Interests

Medical Management of Kidney Stones, Chronic Kidney Disease, Dialysis, Internal Medicine, Genetic Kidney Diseases