Sagar Nigwekar, MD, Nephrology, Boston, MA, Massachusetts General Hospital


Nephrology Boston, MA

Assistant in Medicine, Massachusetts General Hospital, Assistant Professor of Medicine, Harvard Medical School

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  • Dr. Nigwekar is an Assistant in Medicine (Nephrology) at the Massachusetts General Hospital and Assistant Professor of Medicine at the Harvard Medical School. He received his medical degree from the University of Mumbai, India and then completed residency in Internal Medicine at the Rochester General Hospital in Rochester, NY. He then was selected for nephrology fellowship at the Brigham and Women's Hospital and Massachusetts General Hospital's Joint Nephrology Fellowship program. During nephrology fellowship, Dr. Nigwekar also completed a Masters in Clinical Sciences from the Harvard Medical School.

    Dr. Nigwekar specializes in management of patients with calciphylaxis, vascular calcification, mineral bone disease in kidney disease, and nephrolithiasis.

    Dr. Nigwekar conducts patient-oriented research in the areas of calciphylaxis, vascular calcification and hyponatremia. Dr. Nigwekar has authored over 40 peer-reviewed research articles in high-impact journals. His research is funded by prestigious organizations including the American Kidney Fund and the National Kidney Foundation.

    Dr. Nigwekar has many years of experience in teaching medical students, residents, fellows. He is a recipient of numerous institutional teaching awards. He regularly teaches at the Massachusetts General Hospital's Annual Internal Medicine Course. He has authored a book on patient education titled as "Top 5 Questions to Ask Your Doctor".

Education & Training

  • Massachusetts General Hospital
    Massachusetts General HospitalFELLOWSHIP
  • Rochester General Hospital (Rochester NY)CHIEF_RESIDENCY
  • Rochester General HospitalRESIDENCY
  • Seth G.S. Medical College
    Seth G.S. Medical CollegeMEDICAL_SCHOOL

Certifications & Licensure

  • MA State Medical License
    MA State Medical License 2012 - 2020
  • NY State Medical License
    NY State Medical License 2006 - Present
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Nephrology

Awards, Honors, & Recognition

  • Young Investigator Award National Kidney Foundation, 2014
  • Clinical Scientist in Nephrology Award American Kidney Fund, 2012

Clinical Trials

Publications & Presentations


Journal Articles

  • Update on the Management of Calciphylaxis  
    Sagar Nigwekar, MD, QJM: An International Journal of Medicine

Authored Content

  • Cutaneous Calcification in Patients with Kidney Disease Is Not Always CalciphylaxisJuly 2018

Press Mentions

  • Rare Disease Leaves 43-Year-Old Man with 'Penile Stump'
    Rare Disease Leaves 43-Year-Old Man with 'Penile Stump'December 11, 2019
  • Smell Loss Common Among Kidney Disease Patients, Study Shows
    Smell Loss Common Among Kidney Disease Patients, Study ShowsAugust 07, 2017
  • Sense of Smell Deficits Are Common, Linked to Malnutrition in Patients with Kidney Disease
    Sense of Smell Deficits Are Common, Linked to Malnutrition in Patients with Kidney Disease
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Professional Memberships

Other Languages

  • Hindi, Marathi

Hospital Affiliations