Gastroenterology, Hepatology and Nutrition

Leader in Gastroenterology

CHOP earned the No. 1 spot on U.S.News & World Report’s Honor Roll of Best Children’s Hospitals for 2013-14. Gastroenterology at CHOP was spotlighted in the U.S. News survey. Learn more»

Nutrition in the Kitchen Cookbook

There are many things we can do to help our kids grow up healthy. An important part of this is good nutrition and a balanced diet.

Get fun, healthy recipes from the Healthy Weight Program!

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Meet Our Team

Full-time attending physicians

• David A. Piccoli, MD
• Peter L. Abt, MD
• Robert N. Baldassano, MD
• Christina Bales, MD
• Diane L. Barsky, MD
• John T. Boyle, MD, FAAP
• Sherri Shubin Cohen, MD, MPH, FAAP
• Patricia DeRusso, MD, MS, FAAP
• Kristin N. Fiorino, MD
• Jonathan A. Flick, MD
• Joshua R. Friedman, MD, PhD
• Louis R. Ghanem, MD, PhD
• Andrew B. Grossman, MD
• Shirley H. Huang, MD
• Janice A. Kelly, MD, FAGA
• Judith R. Kelsen, MD
• Melissa Kennedy, MD
• Chris Alexander Liacouras, MD
• Kathleen M. Loomes, MD
• Petar Mamula, MD
• Asim Maqbool, MD
• Maria R. Mascarenhas, MBBS
• Randolph P. Matthews, MD, PhD
• Kim Olthoff, MD, FACS
• Elizabeth Parks Prout, MD
• Elizabeth B. Rand, MD
• Michelle Rook, MD, MSc
• Matthew J. Ryan, MD
• Edisio J. Semeao, MD
• Abraham Shaked, MD, PhD
• Raman Sreedharan, MD, DCH, MRCPCH
• Virginia A. Stallings, MD
• Natalie A. Terry, MD, PhD
• Ritu Verma, MD
• Mei-Lun Wang, MD
• Jessica W. Wen, MD
• Tracie Wong, MD

Nursing Leadership

• Michele Czyzewski, RN, BSN
• Linda G. DeSantis, MSN, CRNP
• Anita Puma, MSN, CGRN
• Susan N. Peck, MSN, CRNP

Advanced Practice Nurses

• Kathleen Anderer, MSN, CRNP, CCTC
• Deborah Bianco, MSN, CRNP
• Patricia A. Bierly, MSN, CRNP
• Millie Boettcher, MSN, CRNP
• Rebecca Miller, MSN, CRNP, CCTC
• Elizabeth Goldberg, MSN, CRNP
• Anne W. Grant, MSN, CRNP
• Amanda Chase Holdridge, MSN, CPNP
• Goldie Markowitz, MSN, CRNP
• Valerie McCormick, MSN, CRNP
• Carol Schumacher, MSN, CRNP

Clinical and professional staff

• Susan Boyden, MS, RD
• Linda Brooks
• Diane Clark
• Liberty Foley, MSN, CRNP
• Maria Hanna, MS, RD, LDN
• Karen Hlywiak, BSN, RN, CPN
• Susan Lombardi, RN
• Jamie Long, RN
• Denise McGlynn
• Kristin Neiswender, RN, BSN
• Colleen Tracey, MA, RD, CNSD, CDE
• Andrea Trautwein, RN, BSN
• Colleen Yanni, MS, RD, LDN
• Ann Zimmerman, RN, BSN

Other Staff

• Jennifer Autodore, RD, CSP, LDN
• Kara Feigenbaum, RD, CDE, LDN