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Gastroenterology and Nutrition Fellowships

Current Fellows

 Current fellows

A fellow is a medical doctor who has completed medical school and a three-year pediatric residency program. They are qualified to practice as a general pediatrician, but have applied to and were selected for a three-year training program in a specialized branch of pediatric medicine - pediatric gastroenterology and nutrition.

Eric Tibesar, M.D.  


  • Started fellowship 7/2011
  • Medical School: University of Iowa, Iowa City, IA
  • Residency: Mayo Clinic, Rochester, MN
  • Areas of Interest: Eosinophilic esophagitis, upper GI disorders


Stefany Honigbaum, M.D.  
  stefany honigbaum 
  • Started fellowship 7/2012
  • Medical School: Eastern Virginia Medical School, Norfolk, VA
  • Residency: University of South Florida, Tampa, FL
  • Areas of Interest: Hepatology, Inflammatory bowel disease

Greggy Laroche, M.D.


  • Started fellowship 7/2012
  • Medical School: SUNY Upstate Medical University, Syracuse, NY
  • Residency: Wake Forest Baptist Medical Center, Winston-Salem, NC
  • Areas of Interest: Intestinal Microbiome, Hepatology, Inflammatory bowel disease


Emilia Shin, M.D.  
  • Started fellowship 7/2013
  • Medical School: Catholic University Medical College, S. Korea
  • Residency: SUNY Downstate Medical Center
Melissa Weidner, M.D.  
  • Started fellowship 7/2013
  • Medical School: Univ. of Medicine & Dentistry of NJ/Robert Wood Johnson
  • Residency: Thomas Jefferson University/A.I. duPont Hospital for Children


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