Gastroenterologists

Jonathan Buscaglia, MD, Director, Interventional Endoscopy Center
Dr. Buscaglia is a recognized expert in advanced endoscopy, his pioneering research in natural orifice transluminal endoscopic surgery (NOTES) is considered the newest frontier in minimally invasive surgery by endoscopy experts. He specializes in endoscopic retrograde cholangiopancreatopography (ERCP), diagnostic and interventional endoscopic ultrasound (EUS), endoscopic mucosal resection (EMR), endoluminal stent placement, and deep small bowel enteroscopy. He is an Assistant Professor of Medicine, Division of Gastroenterology and Hepatology at Stony Brook School of Medicine.

Juan Carlos Bucobo, MDDirector, Endoscopy
Dr. Bucobo is an advanced endoscopy expert, specializing in endoscopic ultrasound (EUS), endoscopic mucosal resection (EMR), endoscopic retrograde cholangiopancreatopography (ERCP), endoluminal stent placement and deep small bowel enteroscopy. He is an Assistant Professor of Medicine, Division of Gastroenterology and Hepatology at at Stony Brook School of Medicine.

Lionel D’Souza, MD, Director, Endoscopic Surgery
Dr. D’Souza is an Assistant Professor of Medicine, Division of Gastroenterology and Hepatology at Stony Brook School of Medicine. He is a member of the Advanced Diagnostic and Therapeutic Endoscopy team at Stony Brook University Hospital with expertise in pancreatic diseases, biliary tract diseases and malignant and pre-malignant tumors of the gastrointestinal tract. He specializes in endoscopic retrograde cholangiopancreatography (ERCP), diagnostic and therapeutic endoscopic ultrasound (EUS), endoscopic mucosal resection (EMR) and endoluminal stent placement. Dr. D’Souza has a special interest in advanced minimally invasive endoscopic techniques such as endoscopic submucosal dissection (ESD), peroral endoscopic myotomy (POEM) and endoscopic suturing and their applications in the resection of cancerous and pre-cancerous lesions of the GI tract as well as in the management of achalasia, gastroparesis, obesity and gastroesophageal reflux disease (GERD).

Asim Khokar, MD
Dr. Khokar attended medical school at Allama Iqbal Medical College, Pakistan, and completed his residency training at Internal Medicine, Unity Health/University of Rochester affilliate, NY. Dr. Khokar also completed his fellowship training at the following locations: Clinical Nutrition, Cleveland Clinic Foundation, OH, Gastroenterology & Hepatology, Beth Israel Deaconess Medical Center/Harvard Medical School, MA, and Advanced Hepatology, Beth Israel Deaconess Medical Center/Harvard Medical School, MA.