Call : 716-878-7793 for appointments or information


Call : 716-878-7793for appointments or information

Andrew Buckley

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

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.

Tavleen Bhatia, MD, received her medical degree from Kasturba Medical College, Manipal in India in 2010.  She received the Award of Academic Excellence for three consecutive years during her medical school training.  Dr. Bhatia joined pediatric residency at Saint Peter's University Hospital in July 2011.  During her training, she focused her research on predicting the markers of severity for acute pancreatitis in the pediatric population.  She completed her residency in 2014.  Following her residency, she was welcomed into the Pediatric Gastroenterology Hepatology and Nutrition Fellowship at the University at Buffalo in July of 2014.  Dr. Bhatia's interests in GI include fatty liver disease in children, inflammatory bowel disease, eosinophilic esophagitis and short bowel syndrome.  She is Board certified in Pediatrics

Sebastian Zavoian MD 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.


Reham Abdou MD received her medical degree from Tanta University Medical School in Egypt in 2008.  Afteresard, Dr. Abdou had joined the Medical College of Wisconsin as a research fellow where she focused her research on Genetics of Metabolic Syndrome and graduated in 2011.

She then entered pediatric residency at Nassau University Medical Center in New York and completed her residency in June 2014.

Following her residency, she joined the Pediatric Gastroenterology Hepatology and Nutrition Fellowship Program at the University at Buffalo in July 2014.

Dr. Abdou's interests in GI include liver disease in children (fatty liver, autoimmune hepatitis and metabolic diseases) and inflammatory bowel disease.  She is Board certified in Pediatrics

Ayesha Baig - Coming July 2017

Abdul Shahein

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.