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Nancy Matthiessen

RD MAS

Dietitian
Outdoor enthusiast, avid home entertainer and reader

Nancy Matthiessen is a registered dietitian and certified specialist in pediatric nutrition. She provides medical nutrition therapy for children with a wide variety of conditions. She has particular interests in caring for children with cystic fibrosis and children with gastroenterological diseases or disorders. She assesses her patients' growth and nutritional intake, and recommends therapeutic diets to help manage their conditions and support their overall health. She works closely with families whose children need tube feedings to ensure their nutritional needs are met and growth goals achieved.

Matthiessen has a special interest in working with families to cultivate child feeding practices that promote a positive relationship with food and support lifelong health.

Matthiessen earned a bachelor's degree in clinical nutrition and a master of advanced study degree in maternal and child nutrition from the University of California, Davis. She completed a dietetic internship at University of Virginia Health.

In her free time, Matthiessen enjoys cooking and baking, as well as outdoor activities, including hiking, backpacking and scuba diving.

  • Education

    UC Davis, BS, Clinical Nutrition, 2011

    UC Davis, MAS, Maternal and Child Nutrition, 2015

My goal is to help families use the power of nutrition to improve health while also supporting a positive relationship with food and eating.

Clinics I work with

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Cystic Fibrosis Gastroenterology & Liver Clinic

Cystic Fibrosis Gastroenterology & Liver Clinic

1825 Fourth St., Sixth Floor
San Francisco, CA 94158

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Lipid Clinic

Lipid Clinic

San Francisco / Oakland / Walnut Creek

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Nutrition Counseling Clinic

Nutrition Counseling Clinic

Oakland / Walnut Creek / San Francisco

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Gastroenterology Clinic

Gastroenterology Clinic

San Francisco / Oakland / Brentwood / Fremont / Greenbrae / Los Gatos / ...

Where I see patients (4)

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    Smell the roses

    Wander outside into our Butterfly Garden in Oakland and our healing gardens at Mission Bay.

    Please check with your health insurance plan regarding coverage for this type of care. Not all providers at UCSF are covered by every insurance plan.

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