Division of Gastroenterology and Hepatology

Olga Aroniadis, MD, MSc, FACG
Division Chief, Gastroenterology and Hepatology
Associate Professor of Medicine
Director of Clinical Research

Expertise:
Women’s health, GERD, reflux, Irritable bowel syndrome (IBS), Functional GI disorders, Bacterial overgrowth, Abdominal pain, Celiac disease, Diverticulitis, Diarrhea, Constipation, Swallowing disorders, Dysphagia
Practice Location/s:
Advanced Specialty Care - 500 Commack Road, Commack
Language/s spoken:
Greek, Spanish

Meera Bhardwaj, MD
Assistant Professor of Clinical Medicine

Expertise:
Pancreatitis, pancreatic cysts, pancreatic cancer, Bile duct issues, bile duct dilation, cholangitis, Gallbladder disease, Sphincter of Oddi dysfunction, Barrett’s esophagus, Cancer, tumors, masses, Jaundice, Abnormal imaging on CT or MRI, Complex endoscopy cases, Large polyps, GERD, reflux, Irritable bowel syndrome (IBS), Abdominal pain, Celiac disease, Diverticulitis, Diarrhea, Constipation, Swallowing disorders, dysphagia
Practice Location/s:
Outpatient Facilities - 3 Technology Drive, East Setauket

Jonathan Buscaglia, MD, FASGE, AGAF
Professor of Medicine
Chief Medical Officer, Stony Brook University Hospital
Jonathan Buscaglia, MD, FASGE, AGAF

Expertise:
Biliary diseases, esophageal diseases, esophageal cancer, gallbladder disease, gallstones, gastric cancer, gastroesophageal refux disease, GERD, pancreatic cancer, pancreatic diseases, stomach cancer
Practice Location/s:
Outpatient Facilities - 3 Technology Drive, East Setauket

Michael Clores, DO
Assistant Professor of Medicine
Michael Clores, DO

Expertise:
Hepatitis of any kind, Cirrhosis, Fatty liver, NASH, NAFLD, Elevated LFTs, Portal hypertension, Ascites, Varices, Abnormal imaging of the LIVER on CT or MRI or ultrasound, PSC disease, PBC disease, GERD, reflux, Irritable bowel syndrome (IBS), Abdominal pain, Celiac disease, Diverticulitis, Diarrhea, Constipation, Swallowing disorders, dysphagia
Practice Location/s:
Outpatient Facilities - 3 Technology Drive, East Setauket

Alexandra Guillaume, MD
Assistant Professor of Medicine
Director of Motility
Alexandra Guillaume, MD

Expertise:
Motility, Swallowing disorders, dysphagia, Achalasia, Gastroparesis, vomiting, Constipation, Diarrhea, Bacterial overgrowth, IBS (irritable bowel syndrome), Fecal incontinence, Functional GI disorders
Practice Location/s:
Outpatient Facilities - 3 Technology Drive, East Setauket
Language/s spoken:
Creole

Asim Khokhar, MD
Associate Professor of Medicine
Asim Khokhar, MD

Expertise:
Pancreatitis, pancreatic cysts, pancreatic cancer, Bile duct issues, bile duct dilation, cholangitis, Gallbladder disease, Sphincter of Oddi dysfunction, Barrett’s esophagus, Cancer, tumors, masses, Jaundice, Abnormal imaging on CT or MRI, Complex endoscopy cases, Large polyps
Practice Location/s:
Outpatient Facilities - 3 Technology Drive, East Setauket
Language/s spoken:
Urdu, Punjabi

Farah Monzur, MD, FACG
Clinical Associate Professor of Medicine
Director of IBD
Program Director, GI Fellowship Program
Farah Monzur, MD, FACG

Expertise
Crohn’s disease, Ulcerative colitis, Colitis, Inflammatory bowel disease, Small bowel/intestine disorders, Capsule endoscopy
Practice Location/s:
Outpatient Facilities - 3 Technology Drive, East Setauket
Language/s spoken:
Bengali, Hindi

Jessica Pizzuti, MD
Assistant Professor of Medicine
 
Jessica Pizzuti, MD

Expertise
Esophageal motility disorders, GERD, disorders of gut-brain interaction
Practice Location/s:
Outpatient Facilities - 3 Technology Drive, East Setauket
Language/s spoken:
Bengali, Hindi

Peter Shue, MD
Assistant Professor of Medicine
Peter Shue, MD

Expertise
Gastroesophageal reflux disease, Barrett's esophagus, GI motility disorders and functional bowel disorders
Practice Location/s:
Northport VA - 79 Middleville Rd, Northport
Language/s spoken:
Chinese