The 20 Best Colonoscopy Doctors near Garden City, NY

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 04/28/2026

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MediFind found 392 doctor with experience in Colonoscopy near Garden City, NY. Of these, 341 are Experienced and 44 are Advanced.

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392 providers found
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    106 Charles Lindbergh Boulevard, Suite A, 
    Uniondale, NY 
     (1.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    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.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Northwell Health Gastroenterology Associates At Uniondale

    106 Charles Lindbergh Boulevard, Suite B, 
    Uniondale, NY 
     (1.6 miles away)
    Languages Spoken:
    English

    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.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Northwell Health Gastroenterology Associates At Uniondale

    106 Charles Lindbergh Boulevard, Suite B, 
    Uniondale, NY 
     (1.6 miles away)
    Languages Spoken:
    English

    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.

    Learn about our expert tiers
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Northwell Health Gastroenterology Associates At Uniondale

    106 Charles Lindbergh Boulevard, Suite B, 
    Uniondale, NY 
     (1.6 miles away)
    Languages Spoken:
    English

    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.

    Experienced in Colonoscopy
    Gastroenterology | Internal Medicine
    Experienced in Colonoscopy
    Gastroenterology | Internal Medicine

    Northwell Health JV Ambulatory Surgery Center Long Island Center For Digestive Health

    106 Charles Lindbergh Blvd, 
    Garden City, NY 
     (1.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    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.

    Experienced in Colonoscopy
    Experienced in Colonoscopy
    270-5 76th Avenue, 
    New Hyde Park, NY 
     (2.7 miles away)
    Languages Spoken:
    English

    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.

    Experienced in Colonoscopy
    Hospital Medicine
    Experienced in Colonoscopy
    Hospital Medicine
    270-5 76th Avenue, 
    New Hyde Park, NY 
     (2.7 miles away)
    Languages Spoken:
    English, Hindi, Urdu

    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.

    Experienced in Colonoscopy
    Hospital Medicine
    Experienced in Colonoscopy
    Hospital Medicine
    270-5 76th Avenue, 
    New Hyde Park, NY 
     (2.7 miles away)
    Languages Spoken:
    English, Mandarin

    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.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Northwell Health Physician Partners Gastroenterology At Lake Success

    2001 Marcus Avenue, Suite N18, 
    Lake Success, NY 
     (3.5 miles away)
    Languages Spoken:
    English, Malayalam
    Offers Telehealth

    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.

    Gastroenterology
    Gastroenterology

    Northwell Health Physician Partners Gastroenterology At Lake Success

    2001 Marcus Avenue, Suite N18, 
    Lake Success, NY 
     (3.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    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.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology
    1991 Marcus Avenue, Suite 101, 
    New Hyde Park, NY 
     (3.6 miles away)
    Languages Spoken:
    English, Russian
    Offers Telehealth

    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.

    Experienced in Colonoscopy
    Pediatric Gastroenterology
    Experienced in Colonoscopy
    Pediatric Gastroenterology

    Cohen Children's Northwell Health Physician Partners At Lake Success

    1991 Marcus Avenue, Suite M100, 
    Lake Success, NY 
     (3.6 miles away)
    Languages Spoken:
    English

    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.

    Experienced in Colonoscopy
    Pediatric Gastroenterology
    Experienced in Colonoscopy
    Pediatric Gastroenterology

    Cohen Children's Northwell Health Physician Partners At Lake Success

    1991 Marcus Avenue, Suite M100, 
    Lake Success, NY 
     (3.6 miles away)
    Languages Spoken:
    English

    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.

    Experienced in Colonoscopy
    Pediatric Gastroenterology
    Experienced in Colonoscopy
    Pediatric Gastroenterology

    Cohen Children's Northwell Health Physician Partners At Lake Success

    1991 Marcus Avenue, Suite M100, 
    Lake Success, NY 
     (3.6 miles away)
    Languages Spoken:
    English

    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.

    Experienced in Colonoscopy
    General Surgery | Colorectal Surgery
    Experienced in Colonoscopy
    General Surgery | Colorectal Surgery
    3003 New Hyde Park Road, Suite 309, 
    New Hyde Park, NY 
     (3.9 miles away)
    Languages Spoken:
    English, Italian, Portuguese, Spanish

    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.

    Experienced in Colonoscopy
    Colorectal Surgery | General Surgery
    Experienced in Colonoscopy
    Colorectal Surgery | General Surgery
    3003 New Hyde Park Road, Suite 309, 
    New Hyde Park, NY 
     (3.9 miles away)
    Languages Spoken:
    English

    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.

    Experienced in Colonoscopy
    Obstetrics and Gynecology
    Experienced in Colonoscopy
    Obstetrics and Gynecology

    Northwell Health Center For Advanced Medicine, RJ Zuckerberg Cancer Center

    450 Lakeville Road, Entrance B, 
    Lake Success, NY 
     (4.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    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.

    Experienced in Colonoscopy
    Hospital Medicine
    Experienced in Colonoscopy
    Hospital Medicine
    900 Franklin Avenue, 
    Valley Stream, NY 
     (4.1 miles away)
    Languages Spoken:
    English, Russian

    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.

    Experienced in Colonoscopy
    Hepatology | Gastroenterology
    Experienced in Colonoscopy
    Hepatology | Gastroenterology

    Northwell Health Physician Partners Sandra Atlas Bass Center For Liver Diseases

    400 Community Drive, 1st Floor, 
    Manhasset, NY 
     (4.8 miles away)
    Languages Spoken:
    English, German

    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.

    Experienced in Colonoscopy
    Hospital Medicine | Internal Medicine
    Experienced in Colonoscopy
    Hospital Medicine | Internal Medicine
    300 Community Drive, 
    Manhasset, NY 
     (5.0 miles away)
    Languages Spoken:
    English

    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.

    Showing 1-20 of 392

    Last Updated: 04/28/2026

    What is the definition of Colonoscopy?

    A colonoscopy is an exam that views the inside of the colon (large intestine) and rectum, using a tool called a colonoscope.

    The colonoscope has a small camera attached to a flexible tube that can reach the entire length of the colon.

    When should I see a Colonoscopy doctor near Garden City, NY?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Colonoscopy doctor near Garden City, NY?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Colonoscopy doctors near Garden City, NY?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Colonoscopy doctors near Garden City, NY?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Colonoscopy doctor near Garden City, NY?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Colonoscopy doctor search results page. 

    Why is it important to get a second opinion from a different Colonoscopy doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Colonoscopy doctor near Garden City, NY?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Colonoscopy doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Colonoscopy doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Colonoscopy doctors near Garden City, NY?

    Look for the filter feature on the left side of the Colonoscopy doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Colonoscopy doctor that offers video calls?

    Look for the filter feature on the left-side of the Colonoscopy doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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