The 20 Best Gastrectomy Doctors near Uniondale, NY
Find the Experts and Specialists who perform Gastrectomy
Christopher J. DiMaio, MD is a member of Northwell Health Physician Partners Gastroenterology and is the Regional Director of Endoscopy.He is an interventional endoscopist and a nationally recognized expert in the care of patients with complex pancreatic and biliary diseases, pre-cancerous and cancerous lesions of the gastrointestinal tract, Barrett's esophagus, complex colon polyps, benign and malignant obstruction of the gastrointestinal tract, and post-operative complications such as fistulas, leaks, and strictures. A significant portion of his practice is dedicated to the management of benign and malignant pancreatic disease, including pancreatitis, pancreatic cancers and cysts, and pancreatic fluid collections/pseudocysts/necrosis.Dr. DiMaio is a frequent speaker at national and regional GI meetings, has more than 100 scientific publications in high-impact journals, and has served on numerous committees for the American Society for Gastrointestinal Endoscopy (ASGE). He is a Past President of the New York Society for Gastroenterology and Endoscopy (NYSGE). Prior to joining Northwell, Dr. DiMaio served in a number of leadership positions with Memorial Sloan-Kettering Cancer Center, Mount Sinai Hospital, and Catholic Health. Dr. Dimaio is rated as an Experienced provider by MediFind in Gastrectomy. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Pancreatic Pseudocyst, Pancreatic Cancer, Familial Pancreatic Cancer, Endoscopy, and Lithotripsy. Dr. Dimaio is board certified in American Board Of Internal Medicine/Gastroenterology.
Northwell Health Gastroenterology Associates At Uniondale
Andrew Rosenberg is a Gastroenterologist practicing medicine in Uniondale, New York. Dr. Rosenberg is rated as an Experienced provider by MediFind in Gastrectomy. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Heartburn, Barrett Esophagus, Gastrectomy, and Colonoscopy. Dr. Rosenberg is board certified in American Board Of Internal Medicine/Gastroenterology.
Northwell Health Gastroenterology Associates At Uniondale
Eugene Sullivan is a Gastroenterologist practicing medicine in Uniondale, New York. Dr. Sullivan is rated as an Experienced provider by MediFind in Gastrectomy. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Tenesmus, Gastrointestinal Bleeding, Crohn's Disease, Endoscopy, and Colonoscopy. Dr. Sullivan is board certified in American Board Of Internal Medicine/Gastroenterology.
Northwell Health Gastroenterology Associates At Uniondale
Benjamin Stern is a Gastroenterologist practicing medicine in Uniondale, New York. Dr. Stern is rated as an Experienced provider by MediFind in Gastrectomy. His clinical expertise encompasses Familial Adenomatous Polyposis, Childhood Pancreatitis, Nonalcoholic Steatohepatitis (NASH), Gastrectomy, and Colonoscopy.
Neelam Gupta is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Merrick, New York. Dr. Gupta is rated as an Advanced provider by MediFind in Gastrectomy. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Esophagitis, Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Colonoscopy.
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Rani Modayil is a Gastroenterologist practicing medicine in Garden City, New York. Dr. Modayil is rated as a Distinguished provider by MediFind in Gastrectomy. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Achalasia, Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Endoscopy, and Gastrectomy.
Iheanyichukwu Aja is a Gastroenterologist practicing medicine in Freeport, New York. Dr. Aja is rated as an Advanced provider by MediFind in Gastrectomy. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Bile Duct Obstruction, Gastrointestinal Bleeding, Acute Pancreatitis, Gastrectomy, and Colonoscopy.
Northwell Health Physician Partners Medicine Specialties At Bellmore
Richard Rubin is a Gastroenterologist practicing medicine in Bellmore, New York. Dr. Rubin is rated as an Experienced provider by MediFind in Gastrectomy. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Hemorrhagic Proctocolitis, Hiatal Hernia, Congenital Diaphragmatic Hernia, Colonoscopy, and Endoscopy. Dr. Rubin is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine/Gastroenterology.
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James Grendell is a Gastroenterologist practicing medicine in Mineola, New York. Dr. Grendell is rated as an Advanced provider by MediFind in Gastrectomy. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Achalasia, Gastroesophageal Reflux Disease (GERD), Acute Pancreatitis, Endoscopy, and Gastrostomy.
Jeffrey Novak is a Gastroenterologist practicing medicine in Wantagh, New York. Dr. Novak is rated as an Experienced provider by MediFind in Gastrectomy. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Barrett Esophagus, Turcot Syndrome, Colonoscopy, and Gastrectomy. Dr. Novak is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine/Gastroenterology.
Northwell Health Physician Partners Gastroenterology At Mineola
Samrath Singh is a Gastroenterologist practicing medicine in Mineola, New York. Dr. Singh is rated as an Experienced provider by MediFind in Gastrectomy. His clinical expertise encompasses Angiodysplasia of the Colon, Gastric Dysmotility, Anemia, Colonoscopy, and Gastrectomy.
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David Friedel is a Gastroenterologist practicing medicine in Mineola, New York. Dr. Friedel is rated as an Advanced provider by MediFind in Gastrectomy. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Achalasia, Familial Pancreatic Cancer, Angiodysplasia of the Colon, Endoscopy, and Colonoscopy.
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Michael Castellano is a General Surgeon practicing medicine in Mineola, New York. Dr. Castellano is rated as an Experienced provider by MediFind in Gastrectomy. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Necrosis, Cellulitis, Peptic Ulcer, Colostomy, and Endoscopy.
Zachary Marwil is a Gastroenterologist practicing medicine in Wantagh, New York. Dr. Marwil is rated as an Experienced provider by MediFind in Gastrectomy. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Diarrhea, Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Colonoscopy, and Gastrectomy. Dr. Marwil is board certified in American Board Of Internal Medicine/Gastroenterology.
Northwell Health Physician Partners Surgical Oncology At Lake Success
"Matthew J. Weiss, MD, FACS, is deputy physician-in-chief and director of the surgical oncology program at Northwell Cancer Institute. He's a board-certified surgeon specializing in pancreas and liver diseases.With a relentless work ethic and strong desire to help people, Dr. Weiss always knew he wanted to be a doctor. ""I picked a field that allows me to tackle difficult problems and truly make an impact,"" he says.Dr. Weiss completed his residency in general surgery at Johns Hopkins Hospital and was dual fellowship trained in surgical oncology and hepatobiliary surgery at Memorial Sloan-Kettering Cancer Center. He was previously chief of hepatobiliary surgery at Johns Hopkins, where he was also director of the Pancreas and Liver Multidisciplinary Clinics and the complex general surgical oncology fellowship. He also performed the first robotic Whipple at Johns Hopkins University. Joining Northwell in 2019, Dr. Weiss created a multidisciplinary team of surgeons, medical and radiation oncologists, geneticists, and other specialists who collaborate to create unique treatment plans for patients across the health system. ""Every cancer is different, and every patient is different,"" he says. ""Communication among multiple providers is the best way to ensure you're treating the entire person, properly,"" he says. Dr. Weiss's team also works with scientists from Cold Spring Harbor Laboratory and Feinstein Institutes for Medical Research to develop and run groundbreaking clinical trials. An international leader in both liver and pancreas surgery, Dr. Weiss has authored over 250 peer-reviewed publications in the field, and he's currently a professor of surgery and oncology at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell. ""Understanding both the science of the disease and the technological aspect of surgery is so important,"" he says. Dr. Weiss focuses on using cancer genetics to help find the right surgical approach for patients. When possible, he operates robotically using small incisions for faster healing, so patients don't have to wait as long to receive additional therapies that can improve outcomes. With recent advancements in the field, Dr. Weiss has been able to successfully perform high-risk surgeries that were turned down by other institutions. ""Being a surgeon is a tremendous responsibility, and I don't take it lightly,"" he says. ""I truly and deeply care about my patients and their families-I get to know them as people and am there throughout their entire journey. That's what I'm most proud of as a doctor.""". Dr. Weiss is rated as an Advanced provider by MediFind in Gastrectomy. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Familial Pancreatic Cancer, Pancreatic Cancer, Neuroendocrine Tumor, Pancreatectomy, and Hepatectomy. Dr. Weiss is board certified in American Board Of Surgery.
Mark Talamini is a General Surgeon practicing medicine in New Hyde Park, New York. Dr. Talamini is rated as an Advanced provider by MediFind in Gastrectomy. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Cholecystitis, Gallbladder Disease, Hernia, Gallbladder Removal, and Endoscopy. Dr. Talamini is board certified in American Board Of Surgery.
Kostas Sideridis is a Gastroenterologist practicing medicine in Syosset, New York. Dr. Sideridis is rated as an Advanced provider by MediFind in Gastrectomy. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Painful Swallowing, Swallowing Difficulty, Gastrectomy, and Gastrostomy. Dr. Sideridis is board certified in American Board Of Internal Medicine/Gastroenterology.
Northwell Health Physician Partners Gastroenterology At Great Neck
Mary Cheung is a Gastroenterologist practicing medicine in Great Neck, New York. Dr. Cheung is rated as an Advanced provider by MediFind in Gastrectomy. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Hiatal Hernia, Achalasia, Swallowing Difficulty, Gastrectomy, and Colonoscopy. Dr. Cheung is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine/Gastroenterology.
Northwell Health Physician Partners Gastroenterology At Great Neck
Chun Hung is a Gastroenterologist practicing medicine in Great Neck, New York. Dr. Hung is rated as an Advanced provider by MediFind in Gastrectomy. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Angiodysplasia of the Colon, Gastrointestinal Bleeding, Intestinal Cancer, Endoscopy, and Colonoscopy.
Northwell Health Physician Partners Surgical Specialties At Great Neck
Dominick Gadaleta is a General Surgeon and a Bariatric Medicine provider practicing medicine in Great Neck, New York. Dr. Gadaleta is rated as an Advanced provider by MediFind in Gastrectomy. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Obesity, Hernia, Obesity in Children, Sleeve Gastrectomy, and Gastrectomy. Dr. Gadaleta is board certified in American Board Of Surgery.
Last Updated: 04/28/2026











