The 20 Best Colonoscopy Doctors near Massapequa, NY
Find the Experts and Specialists who perform 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 Advanced provider by MediFind in Colonoscopy. 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.
Zachary Marwil is a Gastroenterologist practicing medicine in Wantagh, New York. Dr. Marwil is rated as an Advanced provider by MediFind in Colonoscopy. 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.
Jeffrey Novak is a Gastroenterologist practicing medicine in Wantagh, New York. Dr. Novak is rated as an Experienced provider by MediFind in Colonoscopy. 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 Eye Institute At Bethpage
Jung Lee is an Ophthalmologist practicing medicine in Bethpage, New York. Dr. Lee is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Glaucoma, Ocular Hypertension (OHT), Gallbladder Disease, Pancreaticoduodenectomy, and Endoscopy. Dr. Lee is board certified in American Board Of Ophthalmology.
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 Colonoscopy. 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.
King Kullen Pharmacies Corp
Matthew Symer is a General Surgeon practicing medicine in Bethpage, New York. Dr. Symer is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Colorectal Cancer, Anal Cancer, Diverticular Disease, Endoscopy, and Colonoscopy.
Kostas Sideridis is a Gastroenterologist practicing medicine in Syosset, New York. Dr. Sideridis is rated as an Advanced provider by MediFind in Colonoscopy. 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.
Gastrointestinal Care Of Long Island PLLC
Yaron Langman is a Gastroenterologist practicing medicine in Massapequa, New York. Dr. Langman is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Familial Pancreatic Cancer, Pancreatic Cancer, Painful Swallowing, Colonoscopy, and Gastrectomy. Dr. Langman is board certified in American Board Of Internal Medicine.
Gastrointestinal Care Of Long Island PLLC
Mordecai Dicker is a Gastroenterologist practicing medicine in Massapequa, New York. Dr. Dicker is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Gastritis, Gastrointestinal Bleeding, Chronic Erosive Gastritis, 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 Colonoscopy. 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.
Pranay Shah is an Internal Medicine specialist and a Hospital Medicine provider practicing medicine in Plainview, New York. Dr. Shah is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Gallbladder Disease, Fractured Spine, Biliary Dyskinesia, and Colonoscopy. Dr. Shah is board certified in American Osteopathic Board Of Internal Medicine.
Davinder Kumar is a primary care provider, practicing in Palliative Medicine in Plainview, New York. Dr. Kumar is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Sepsis, Hypertensive Heart Disease, End-Stage Renal Disease (ESRD), Gastrostomy, and Endoscopy. Dr. Kumar is board certified in American Board Of Internal Medicine.
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 Colonoscopy. 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
Eugene Sullivan is a Gastroenterologist practicing medicine in Uniondale, New York. Dr. Sullivan is rated as an Experienced provider by MediFind in Colonoscopy. 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
Andrew Rosenberg is a Gastroenterologist practicing medicine in Uniondale, New York. Dr. Rosenberg is rated as an Experienced provider by MediFind in Colonoscopy. 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
Benjamin Stern is a Gastroenterologist practicing medicine in Uniondale, New York. Dr. Stern is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Familial Adenomatous Polyposis, Childhood Pancreatitis, Nonalcoholic Steatohepatitis (NASH), Gastrectomy, and Colonoscopy.
Northwell Health JV Ambulatory Surgery Center Long Island Center For Digestive Health
Umair Nasir is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Garden City, New York. Dr. Nasir is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Esophagitis, Autoimmune Hepatitis, Endoscopy, and Stent Placement. Dr. Nasir is board certified in American Board Of Internal Medicine.
Northwell Health Physician Partners Medicine Specialties At Woodbury
Sadiya Cheshty is a Gastroenterologist practicing medicine in Woodbury, New York. Dr. Cheshty is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Diarrhea, Trichohepatoenteric Syndrome, Painful Swallowing, Gastrectomy, and Colonoscopy.
Northwell Health Physician Partners Medicine Specialties At Woodbury
Jerzy Macura is a General Surgeon practicing medicine in Woodbury, New York. Dr. Macura is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Hernia, Retroperitoneal Inflammation, Gallstones, Hernia Surgery, and Gallbladder Removal. Dr. Macura is board certified in American Board Of Surgery.
Faisal Sheikh is a Gastroenterologist practicing medicine in Syosset, New York. He has been practicing medicine for over 18 years. Dr. Sheikh is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Choledocholithiasis, Diverticular Disease, Gastrectomy, and Gastrostomy.
Last Updated: 04/28/2026












