About Nancy Wei, MD

Nancy Wei, MD MMSc is an Assistant Professor of Medicine at Harvard Medical School and the Chief Medical Informatics Officer at Massachusetts General Hospital.

She earned her medical degree from Harvard Medical School, her masters of medical science from Harvard Medical School, and completed her internal medicine residency and fellowship in endocrinology, diabetes and metabolism at MGH.

In her role as the MGH/MGPO Chief Medical Informatics Officer, she leads the optimization, development, implementation, and support of clinical information systems across the hospital.


Departments, Centers, & Programs:

Clinical Interests:



Mass General Endocrinology: Diabetes Clinical Center
50 Staniford St.
Suite 340
Boston, MA 02114
Phone: 617-726-8720

Medical Education

  • MD, Harvard Medical School (Massachusetts)
  • Residency, Massachusetts General Hospital
  • Fellowship, Massachusetts General Hospital

American Board Certifications

  • Endocrinology, Diabetes and Metabolism, American Board of Internal Medicine

Accepted Insurance Plans

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.


    1. Wei NJ, Grant RW, Nathan DM, Wexler DJ. Effect of Hospital Admission on Glycemic Control One Year after Discharge. Endocr Pract. 2012 Jul-Aug; 18(4):456-63.
    2. Wei NJ, DJ Wexler, DM Nathan, RW Grant. Intensification of diabetes medication and risk for 30 day readmission. Diabetic Medicine. 2013 Feb;30(2):e56-62.
    3. Wei N, H Zheng, DM Nathan. Empirically Establishing Blood Glucose Targets to Achieve HbA1c Goals. Diabetes Care. 2014 Apr; 37(4):1048-51.
    4. Wei NJ, Nathan DM, Wexler DJ. Glycemic Control After Hospital Discharge in Insulin-Treated Type 2 Diabetes: A Randomized Pilot of Daily Remote Glucose Monitoring. Endocr Pract. 2015 Feb;21(2):115-21.
    5. Wei N, Pan J, Pop-Busui R, Othmna A, Alecu I, Hornemann T, Eichler FS. Altered sphingoid base profiles in type 1 compared to type 2 diabetes. Lipids Health Dis. 2014 Oct 11;13(1):161.
    6. Segre A, Wei N*, DIAGRAM Consortium, MAGIC investigators, Altshuler D, Florez JC. Pathways targeted by anti-diabetes drugs are enriched for multiple genes associated with type 2 diabetes risk. Diabetes. 2015 Apr;64(4):1470-83
    7. Fan W, Zeng H, Wei N, Nathan DM. Estimating HbA1c from timed Self-Monitored Blood Glucose values. Diabetes Res Clin Pract. 2018 Apr 16;141:56-61.
    8. Rubins D, Wright A, Alkasab T, Ledbetter MS, Miller A, Patel R, Wei N, Zuccotti G, Landman A. Importance of clinical decision support system response time monitoring: a case report. J Am Med Inform Assoc. 2019 Aug 2. pii:ocz133.

Reviews: Comments and Ratings