Joshua Rein
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Joshua Rein, DO


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About Me

Joshua Rein, DO, FASN, is a nephrologist, physiologist, and hypertension specialist. He is an Assistant Professor of Medicine in the Barbara T. Murphy Division of Nephrology at the Icahn School of Medicine at Mount Sinai and a Staff Physician Scientist at the James J. Peters Veterans Affairs Medical Center. He received his medical degree from the New York College of Osteopathic Medicine, completed internal medicine at Mount Sinai Beth Israel where he excelled in clinical training having received the Dr. Ira B. Cohen Award in Recognition for the Most Outstanding Medical House Officer, and completed clinical and research nephrology fellowships at Mount Sinai Hospital.

Dr. Rein's clinical interests include hypertension, acid/base, and electrolyte disorders. Dr. Rein's research, funded by a Veterans Affairs Career Development Award, utilizes preclinical models to discover new mechanisms underlying the renal regulation of fluid and electrolyte homeostasis. His long-term goal is to translate key observations from preclinical studies into an enhanced understanding of human disease and therapeutics.

Dr. Rein teaches hypertension, acid/base, and electrolyte physiology to nephrology fellows, residents, and medical students. He publishes original research and contributes original hypotheses and knowledge to the medical community through invited and voluntary presentations and publications. He also publishes unique clinical observations of acid/base and electrolyte disorders as case reports and case series.
ASSISTANT PROFESSOR | Medicine, Nephrology
Hospital Affiliations
  • Mount Sinai Beth Israel
  • Mount Sinai Morningside
  • Mount Sinai Brooklyn
  • Mount Sinai Queens
  • The Mount Sinai Hospital
  • Mount Sinai West
Research Topics

Kidney, Lipid Signaling, Membrane Proteins/Channels, Receptors