Dr. Rajapakse a founding member of Mather Medical Group Gastroenterology. An Honors graduate of the Royal College of Physicians in Dublin, she completed her medicine residency at the Leicester Royal Infirmary in the United Kingdom and Lenox Hill Hospital in Manhattan. After being chosen Chief Resident in Medicine at Lenox Hill, she completed a Gastroenterology Fellowship there. Dr. Rajapakse moved to Long Island with her family after fellowship and joined the faculty of Stony Brook University Hospital in 2000. As an Associate Professor of Medicine at Stony Brook, she created the Inflammatory Bowel Disease (IBD) service and was appointed Director of their IBD Center. She developed the IBD teaching curriculum for Stony Brook’s Gastroenterology Fellowship, which was instrumental in training of the next generation of medical students, residents and Gastroenterology Fellows. She is a member of the admissions committee of the Renaissance Medical School at Stony Brook University and served as the Chair of the Quality Assurance Committee. Nationally, Dr. Rajapakse is a member of the Public Affairs Council of the American College of Gastroenterology and visits Washington DC to advocate for better patient care. She has 20 years of experience in the management of general Gastroenterological problems and women’s GI health and is a specialist in the management of Inflammatory Bowel Disease (Crohn’s and Colitis). Dr. Rajapakse is highly rated in 5 conditions, according to our data. Her top areas of expertise are Crohn's Disease, Ulcerative Colitis, Gastroesophageal Reflux Disease (GERD), and Hemorrhagic Proctocolitis.

Howard Keschner is a Gastroenterologist in East Setauket, New York. Dr. Keschner is highly rated in 26 conditions, according to our data. His top areas of expertise are Diverticular Disease, Hemorrhoids, Gastritis, Gastrectomy, and Colonoscopy.

Gary Bernstein is a Gastroenterologist in East Setauket, New York. Dr. Bernstein is highly rated in 24 conditions, according to our data. His top areas of expertise are Hiatal Hernia, Congenital Diaphragmatic Hernia, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy.

Eugene Licht is a Gastroenterologist in East Setauket, New York. Dr. Licht has been practicing medicine for over 17 years is highly rated in 24 conditions, according to our data. His top areas of expertise are Diverticular Disease, Gastrointestinal Bleeding, Gastritis, Gastrectomy, and Colonoscopy.

Jonathan Buscaglia is a Gastroenterologist in Stony Brook, New York. Dr. Buscaglia is highly rated in 20 conditions, according to our data. His top areas of expertise are Cholecystitis, Gallbladder Disease, Bile Duct Obstruction, Endoscopy, and Gallbladder Removal.

Lionel D'souza is a Gastroenterologist in East Setauket, New York. Dr. D'souza is highly rated in 18 conditions, according to our data. His top areas of expertise are Achalasia, Bile Duct Obstruction, Gallstones, Endoscopy, and Pancreatectomy.

Emily Glazer is a Gastroenterologist in East Setauket, New York. Dr. Glazer is highly rated in 17 conditions, according to our data. Her top areas of expertise are Diverticular Disease, Diarrhea, Trichohepatoenteric Syndrome, Endoscopy, and Gastrectomy.

Eugene Coman is a Gastroenterologist in East Setauket, New York. Dr. Coman is highly rated in 17 conditions, according to our data. His top areas of expertise are Diverticular Disease, Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Gastrectomy.

William Cohn is a Gastroenterologist in East Setauket, New York. Dr. Cohn is highly rated in 17 conditions, according to our data. His top areas of expertise are Diverticular Disease, Irritable Bowel Syndrome (IBS), Familial Adenomatous Polyposis, Colonoscopy, and Gastrectomy.

Alexandra Guillaume is a Gastroenterologist in East Setauket, New York. Dr. Guillaume is highly rated in 14 conditions, according to our data. Her top areas of expertise are Angiodysplasia of the Colon, Hiatal Hernia, Congenital Diaphragmatic Hernia, Endoscopy, and Colonoscopy.

Augustus Mantia is a Gastroenterologist in Nesconset, New York. Dr. Mantia is highly rated in 4 conditions, according to our data. His top areas of expertise are Hemorrhoids, Vitamin D Deficiency, Vitamin B12 Deficiency, Ureteroscopy, and Endoscopy.

Dr. Cohn completed his residency in internal medicine at Boston University Medical Center before beginning his NIH-sponsored fellowship in gastroenterology at Case Western University School of Medicine's flagship teaching hospital, University Hospitals Cleveland Medical Center. Though Dr. Cohn enjoys all aspects of digestive health, he has special clinical interest in both inflammatory bowel disease and alcoholic liver disease. Dr. Cohn is highly rated in 17 conditions, according to our data. His top areas of expertise are Watermelon Stomach, Gastritis, Hemorrhoids, Gastrectomy, and Endoscopy.

Robert Baranowski is a Gastroenterologist in East Setauket, New York. Dr. Baranowski is highly rated in 28 conditions, according to our data. His top areas of expertise are Gastrointestinal Bleeding, Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Colonoscopy.

Seth Persky is a Gastroenterologist in East Setauket, New York. Dr. Persky is highly rated in 24 conditions, according to our data. His top areas of expertise are Gastrointestinal Bleeding, Hemorrhoids, Diarrhea, Colonoscopy, and Gastrectomy.

Farzad Forohar is a Gastroenterologist in Smithtown, New York. Dr. Forohar is highly rated in 22 conditions, according to our data. His top areas of expertise are Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Gastric Dysmotility, Gastrectomy, and Endoscopy.

Zvi Alpern is a Gastroenterologist in Smithtown, New York. Dr. Alpern is highly rated in 17 conditions, according to our data. His top areas of expertise are Barrett Esophagus, Cowden Syndrome, Peutz-Jeghers Syndrome, Gastrectomy, and Colonoscopy.

Andrew Blank is a Gastroenterologist in East Setauket, New York. Dr. Blank is highly rated in 14 conditions, according to our data. His top areas of expertise are Irritable Bowel Syndrome (IBS), Gastritis, Helicobacter Pylori Infection, Endoscopy, and Gastrostomy.

Ali Karakurum is a Gastroenterologist in Port Jefferson, New York. Dr. Karakurum is highly rated in 14 conditions, according to our data. His top areas of expertise are Gas Bloat Syndrome, Heartburn, Gastritis, Endoscopy, and Gastrectomy.

Syeda Hossain is a Gastroenterologist in Nesconset, New York. Dr. Hossain is highly rated in 13 conditions, according to our data. Her top areas of expertise are Hiatal Hernia, Congenital Diaphragmatic Hernia, Proctitis, Gas Bloat Syndrome, and Endoscopy.

Charles Albert is a Gastroenterologist in Port Jefferson Station, New York. Dr. Albert is highly rated in 9 conditions, according to our data. His top areas of expertise are Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, and Congenital Diaphragmatic Hernia.

Neva Castro is a Gastroenterologist in East Setauket, New York. Dr. Castro is highly rated in 6 conditions, according to our data. Her top areas of expertise are Gastrointestinal Bleeding, Diarrhea, Trichohepatoenteric Syndrome, Heartburn, and Gastrectomy.

Elliott Dreznick is a Gastroenterologist in Port Jefferson Station, New York. Dr. Dreznick is highly rated in 6 conditions, according to our data. His top areas of expertise are Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Esophagitis, Endoscopy, and Gastrostomy.

Olga Aroniadis is a Gastroenterologist in Lake Grove, New York. Dr. Aroniadis is highly rated in 5 conditions, according to our data. Her top areas of expertise are Irritable Bowel Syndrome (IBS), Angiodysplasia of the Colon, Diarrhea, Colonoscopy, and Endoscopy.

Asim Khokhar is a Gastroenterologist in East Setauket, New York. Dr. Khokhar is highly rated in 3 conditions, according to our data. His top areas of expertise are Esophageal Varices, Visceromegaly, Hepatitis, Endoscopy, and Colonoscopy.

Alan Spielberg is a Gastroenterologist in Smithtown, New York. Dr. Spielberg is highly rated in 3 conditions, according to our data. His top areas of expertise are Diverticular Disease, Tenesmus, Gastrointestinal Bleeding, Endoscopy, and Gastrectomy.