Attention Joslin Patients:

Mask wearing and COVID-19 screening will continue at Joslin until further notice per the Governor’s latest update for health care facilities. To expedite building entry, please access COVID Pass the day of your on-site appointment to answer screening questions to receive a pass. We encourage all Joslin patients, including kids 12 and over, to get a COVID-19 vaccine.

Also, please see our main COVID-19 web page for important updates regarding the availability of telehealth appointments at Joslin.
The information is available in English and Spanish.

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Heidi Karner, MS, RDN, LDN provides medical nutrition therapy and diabetes self-management education to people with Type 1, Type 2, and gestational diabetes by performing nutrition assessments and implementing diet and lifestyle interventions. Karner counsels people with diabetes and creates goals for success in managing blood sugar levels and body weight in one-on-one and group settings. She also works to develop meal plans for people with diabetes based on dietary preferences and comorbidities. Karner also participates in the development and revision of Joslin educational materials and curricula.

Gestational Diabetes and Diabetes in Pregnancy

Master's in Health Promotion from the University of Connecticut Certificate in Health Psychology from the University of Connecticut

  • Nutrition

Contact Information

Office Phone

(617) 309-2438

heidi.karner [at] joslin.harvard.edu

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