Skip to main content
Sagar Nigwekar, MD, Nephrology, Boston, MA, Massachusetts General Hospital

SagarUdayNigwekarMDMMSc

Nephrology • Boston, MA

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

Join to view full profile

Dr. Nigwekar is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Connect with other colleagues in the same hospital or clinic
  • Search all U.S. specialist profiles and refer a patient
  • Read the latest clinical news and earn CME/CEU credits

See Dr. Nigwekar's full profile

Already have an account?

Summary

  • 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

  • Brigham and Women's Hospital/Massachusetts General Hospital
    Brigham and Women's Hospital/Massachusetts General HospitalFellowship, Nephrology, 2010 - 2013
  • Rochester General Hospital
    Rochester General HospitalChief Residency, Internal Medicine, 2005 - 2006
  • Rochester General Hospital
    Rochester General HospitalResidency, Internal Medicine, 2002 - 2005
  • Seth G.S. Medical College
    Seth G.S. Medical CollegeClass of 1999

Certifications & Licensure

  • MA State Medical License
    MA State Medical License 2012 - 2024
  • NY State Medical License
    NY State Medical License 2006 - 2011
  • 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

PubMed

Journal Articles

  • Update on the Management of Calciphylaxis  
    Sagar Nigwekar, MD, QJM: An International Journal of Medicine
  • Serum Angiopoietin‐2 Predicts Mortality and Kidney Outcomes in Decompensated Cirrhosis  
    Andrew S Allegretti, Sagar U Nigwekar, Raymond T Chung, Sahir Kalim, Xavier Vela Parada, Ravi I Thadhani, Guillermo A Ortiz, Samir M Parikh, Hepatology

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 11th, 2019
  • Smell Loss Common Among Kidney Disease Patients, Study Shows
    Smell Loss Common Among Kidney Disease Patients, Study ShowsAugust 7th, 2017
  • Asthma Drug May Help Kidney Patients Regain Sense of Smell
    Asthma Drug May Help Kidney Patients Regain Sense of SmellAugust 3rd, 2017
  • Join now to see all

Professional Memberships

Other Languages

  • Hindi, Marathi

Hospital Affiliations

External Links

Dr. Sagar Nigwekar, Dr. Sagar Nigwekar, MD, Dr. S Nigwekar, Dr. Sagar Uday Nigwekar