The 20 Best Colonoscopy Doctors near Garden City, NY
Find the Experts and Specialists who perform Colonoscopy
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.
John Young is a Psychiatrist practicing medicine in New Hyde Park, New York. Dr. Young is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Colonoscopy and Endoscopy. Dr. Young is board certified in American Board Of Psychiatry/Neurology-Psychiatry.
Imran Karim is a Hospital Medicine provider practicing medicine in New Hyde Park, New York. Dr. Karim is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Chronic Inflammatory Response Syndrome (CIRS), Gallbladder Disease, Gastrostomy, and Colonoscopy. Dr. Karim is board certified in American Board Of Internal Medicine.
Qingqing Han is a Hospital Medicine provider practicing medicine in New Hyde Park, New York. Dr. Han is rated as an Experienced provider by MediFind in Colonoscopy. Her clinical expertise encompasses Inappropriate Sinus Tachycardia (IST), Liver Failure, Gallbladder Disease, Gastrostomy, and Endoscopy. Dr. Han is board certified in American Board Of Internal Medicine.
Northwell Health Physician Partners Gastroenterology At Lake Success
Ashby Thomas is a Gastroenterologist practicing medicine in Lake Success, New York. Dr. Thomas is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Berdon Syndrome, Anal Fissure, Gastrointestinal Bleeding, Colonoscopy, and Gastrostomy. Dr. Thomas is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine/Gastroenterology.
Northwell Health Physician Partners Gastroenterology At Lake Success
Linda A. Lee, MD, MBA, is a highly skilled physician specializing in Gastroenterology. With a dedication to providing exceptional patient care, Dr. Lee sees patients at Northwell Health Physician Partners Gastroenterology at Lake Success. She performs endoscopic procedures at that location and also at Long Island Jewish Medical Center.Dr. Lee is board certified in Gastroenterology by the American Board of Internal Medicine. She completed her medical degree at the University of Chicago Pritzker School of Medicine, During her residency at the Hospital of the University of Pennsylvania, Dr. Lee developed a strong foundation in Internal Medicine. She then pursued a fellowship at Johns Hopkins University School of Medicine, focusing on Gastroenterology. This fellowship provided her with specialized training and knowledge to effectively diagnose and manage a wide range of gastrointestinal disorders. A particular interest is Disorders of Brain-Gut Interaction (DGBI), which includes irritable bowel syndrome and functional dyspepsia. With an emphasis on patient-centered care, Dr. Lee is committed to staying at the forefront of advancements in her field. She strives to provide personalized treatment plans for each of her patients, incorporating the latest evidence-based medicine and innovative techniques. Dr. Lee holds various academic and administrative titles, contributing to the advancement of medical education and patient care. She is an active member of the medical community and has made significant contributions to research in Gastroenterology. With her extensive expertise and compassionate approach, Dr. Linda Ann Lee is dedicated to helping her patients achieve and maintain optimal gastrointestinal health. Dr. Lee is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Gastroparesis, Gastrointestinal Bleeding, Trichohepatoenteric Syndrome, and Diarrhea. Dr. Lee is board certified in American Board Of Internal Medicine/Gastroenterology.
Alex Novogrudsky is a Gastroenterologist practicing medicine in New Hyde Park, New York. Dr. Novogrudsky is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Angiodysplasia of the Colon, Gastrointestinal Bleeding, Ascites, Gastrectomy, and Endoscopy. Dr. Novogrudsky is board certified in American Board Of Internal Medicine/Gastroenterology.
Cohen Children's Northwell Health Physician Partners At Lake Success
Joel Rosh is a Pediatric Gastroenterologist practicing medicine in Lake Success, New York. Dr. Rosh 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 Viral Gastroenteritis, Crohn's Disease, Colitis, Endoscopy, and Colonoscopy. Dr. Rosh is board certified in American Board Of Pediatrics/Gastroenterology.
Cohen Children's Northwell Health Physician Partners At Lake Success
James Markowitz is a Pediatric Gastroenterologist practicing medicine in Lake Success, New York. Dr. Markowitz is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Hemorrhagic Proctocolitis, Colonoscopy, and Endoscopy. Dr. Markowitz is board certified in American Board Of Pediatrics and American Board Of Pediatrics/Gastroenterology.
Cohen Children's Northwell Health Physician Partners At Lake Success
Benjamin Sahn is a Pediatric Gastroenterologist practicing medicine in Lake Success, New York. Dr. Sahn is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Delayed Growth, Ulcerative Colitis, Endoscopy, and Colonoscopy. Dr. Sahn is board certified in American Board Of Pediatrics/Gastroenterology.
Tereza Sardinha is a General Surgeon and a Colorectal Surgeon practicing medicine in New Hyde Park, New York. Dr. Sardinha is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Cholecystitis, Retroperitoneal Inflammation, Perianal Streptococcal Cellulitis, Hernia Surgery, and Bladder Reconstruction. Dr. Sardinha is board certified in American Board Of Surgery and American Board Of Colon & Rectal Surgery.
President - New York Surgical SocietyPast President - New York society of Colon and Rectal Surgeons. Dr. Sher is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Hernia, Cholecystitis, Hernia Surgery, and Bladder Reconstruction. Dr. Sher is board certified in American Board Of Surgery and American Board Of Colon & Rectal Surgery.
Northwell Health Center For Advanced Medicine, RJ Zuckerberg Cancer Center
Noah Kauff is an Obstetrics and Gynecologist practicing medicine in Lake Success, New York. Dr. Kauff is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Ovarian Cancer, DICER1 Syndrome, BRCA Positive Breast Cancer, Oophorectomy, and Salpingo-Oophorectomy. Dr. Kauff is board certified in American Board Of Obstetrics & Gynecology.
Dmitry Bogomolskiy is a Hospital Medicine provider practicing medicine in Valley Stream, New York. Dr. Bogomolskiy is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Gastrostomy and Ureteroscopy. Dr. Bogomolskiy is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine/Geriatric Medicine.
Northwell Health Physician Partners Sandra Atlas Bass Center For Liver Diseases
Christian Kuntzen is a Hepatologist and a Gastroenterologist practicing medicine in Manhasset, New York. Dr. Kuntzen is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Nonalcoholic Steatohepatitis (NASH), Ascites, Visceromegaly, Gastrectomy, and Colonoscopy. Dr. Kuntzen is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine/Gastroenterology.
Shirley Mathew is a primary care provider, practicing in Internal Medicine and Hospital Medicine in Manhasset, New York. Dr. Mathew is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Familial Neurocardiogenic Syncope, Fainting, End-Stage Renal Disease (ESRD), Gastrostomy, and Endoscopy.
Last Updated: 04/28/2026


















