Mary Weiss, MS, RD, LDN

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Mary Weiss, MS, RD, LDN, is a clinical dietitian with the Department of Clinical Nutrition and the Division of Gastroenterology, Hepatology and Nutrition at Children's Hospital of Philadelphia.

Areas of Expertise: Pediatric gastroenterology, Feeding and swallowing disorders, Integrative health, Eating disorders
Locations: Buerger Center for Advanced Pediatric Care
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

Education and Training


Dietetic Internship - Drexel University, Philadelphia, PA

Board Certification

Licensed Dietitian Nutritionist (LDN)
Registered Dietitian (RD)

Undergraduate Degree

BS in Nutrition & Foods - Drexel University, Philadelphia, PA

Graduate Degree

MS in Nutrition & Dietetics - Drexel University, Philadelphia, PA

Titles and Academic Titles

Clinical Dietitian

Departments and Services

Awards and Honors

2023, Invitation to attend NASPGHAN N2U 2023 Conference for Pediatric GI practitioners new to the field with less than 5 years’ experience

Leadership and Memberships

Memberships in Professional Organizations

Association of Pediatric Gastroenterology and Nutrition Nurses (NASPGHAN)
Council for Pediatric Nutrition Professionals
International Association of Pediatric Feeding and Swallowing