Call : 716-323-0080 for appointments or information


Call : 716-323-0080   for appointments or information

Andrew Buckley 2016

Dr. Buckley was born in Buffalo, New York, obtaining his B.S. in Exercise Science and Nutrition at the at SUNY Buffalo. Following graduation he attended the Lake Erie College of Osteopathic Medicine, Seton Hill campus outside of Pittsburgh,PA. After completing his medical schooling he joined the Pediatrics Residency Program at Women and Children’s Hospital of Buffalo which he Completed in June of 2016. He joined the Pediatric Gastroenterology and Nutrition fellowship in July of 2016


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Shelly Choudhury MBBS 2015

Shelly Choudhury, MD, received her medical degree from Nilratan Sircar Medical College in India (2006). After graduating she practiced as a house physician in the Dept of Critical care, before shifting her career path towards basic science research at IICB, India. She continued with research work at Stanford University, CA. In 2012, Dr. Choudhury joined the pediatric residency program at Bronx Lebanon Hospital Center in New York. There she pursued her interest in the field of Gastroenterology and her resident research on Ondansetron was selected for presentation at various meetings including PAS.
   After successfully completing her residency, Dr. Choudhury joined the Pediatric Gastroenterology Hepatology and Nutrition Fellowship program at the University of Buffalo in July 2015. Her interests are in liver disease and inflammatory bowel disease.  She is board certified in Pediatrics.

Sebastian Zavoian MD 2015 is a Gastroenterology fellow who trained as a Pediatrician at Flushing Hospital Medical Center in Queens, New York. Sebastian graduated as a medical doctor from Carol Davila University of Medicine and Pharmacy in Romania. He is interested in basic and clinical research and he was a postdoctoral fellow at the University of Virginia before starting his Pediatrics training. Sebastian has an interest in general GI practice, inflammatory bowel disease, irritable bowel syndrome, constipation and a research interest in microbiome, nonalcoholic steatohepatitis. He is Pediatrics board certified.


Ayesha Baig - 2017

Ayesha Baig, MD, received her medical degree from Dow Medical College in Pakistan. In 2014, Dr.Baig joined the pediatric residency program at Brookdale University hospital in New York. There, she pursued her interest in the field of Gastroenterology and was selected for various presentations at prestigious meetings including NASPGHAN, ESPR and PAS. Following her residency, she joined the Pediatric Gastroenterology, Hepatology and Nutrition Fellowship Program at the University at Buffalo in July 2017.

Dr. Baig interests in GI include eosinophilic esophagitis, inflammatory bowel disease and fatty liver diseases in children.  Type your paragraph here.

Abdul Shahein   2016 

Dr. Shahein received his medical degree from Ain Shams University Medical School in Egypt. He remained at the University to complete his Masters of Science degree, where he assisted in building a clinical score to evaluate the severity of liver disease in Pediatric patients with Cholestasis. After receiving his education, he joined the clinical pediatrics fellowship program at the Hospital for Sick Children (SickKids) in Toronto, Canada and taught at the school of medicine. He was trained as a Pediatrician at Jersey Shore University Medical Center / Rutgers RWJ Medical School in New Jersey.
Dr. Shahein has interest in pediatric inflammatory bowel disease (IBD), low FODMAP nutrient, Eosinophilic diseases of the gastrointestinal tract and fecal microbiota transplant (FMT). He recently received the scientific achievement award from the Meridian Health Scientific Society for his research about the diagnostic value of fecal Calprotectin in pediatric patients with suspected inflammatory bowel disease. He is Pediatrics board certified and began his Fellowship training in July of 2016.