The 20 Best Colonoscopy Doctors near smithtown, NY

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 09/26/2026

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MediFind found 155 doctor with experience in Colonoscopy near smithtown, NY. Of these, 143 are Experienced, 10 are Advanced and 1 are Elite.

Location
LocationClose
155 providers found
    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Smithtown Center For Rehabilitation & Nursing Care

    391 N Country Rd, 
    Smithtown, NY 
     (1.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Olena Guzhva is a primary care provider, practicing in Internal Medicine in Smithtown, New York. Dr. Guzhva is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 35 other conditions, according to our data. Her clinical expertise encompasses Necrosis, Lung Metastases, Hypertensive Heart Disease, Ureteroscopy, and Gastrostomy. Dr. Guzhva is currently accepting new patients.

    Experienced in Colonoscopy
    Pediatric Gastroenterology
    Experienced in Colonoscopy
    Pediatric Gastroenterology
    Referral may be required

    Cohen Children's Northwell Health Physician Partners Pediatric Specialists At Smithtown

    222 Middle Country Road, Suite 106, 
    Smithtown, NY 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    James Markowitz is a Pediatric Gastroenterologist practicing medicine in Smithtown, New York. Dr. Markowitz is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 7 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/Gastroenterology and American Board Of Pediatrics. Dr. Markowitz is currently accepting new patients.

    Experienced in Colonoscopy
    Colorectal Surgery
    Experienced in Colonoscopy
    Colorectal Surgery
    Referral may be required

    Northwell Health Physician Partners Surgery And Smith Institute For Urology At Smithtown

    222 Middle Country Road, Suite 211, 
    Smithtown, NY 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Shirley Shih is a Colorectal Surgeon practicing medicine in Smithtown, New York. Dr. Shih is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Pilonidal Sinus Disease, Retroperitoneal Inflammation, Diverticular Disease, Bladder Reconstruction, and Colostomy. Dr. Shih is board certified in American Board Of Colon & Rectal Surgery and American Board Of Surgery. Dr. Shih is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    Referral may be required

    Northwell Health Physician Partners At Smithtown

    222 Middle Country Road, Suite 330, 
    Smithtown, NY 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Purow is a Gastroenterologist practicing medicine in Smithtown, New York. Dr. Purow 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 Gastroesophageal Reflux Disease (GERD), Colitis, Irritable Bowel Syndrome (IBS), Gastrectomy, and Endoscopy. Dr. Purow is board certified in American Board Of Internal Medicine/Gastroenterology. Dr. Purow is currently accepting new patients.

    Experienced in Colonoscopy
    Colorectal Surgery
    Experienced in Colonoscopy
    Colorectal Surgery
    Referral may be required

    Northwell Health Physician Partners Surgery And Smith Institute For Urology At Smithtown

    222 Middle Country Road, Suite 211, 
    Smithtown, NY 
     (0.6 miles away)
    Languages Spoken:
    English, Portuguese, Spanish
    Accepting New Patients
    Offers Telehealth

    David Rivadeneira is a Colorectal Surgeon practicing medicine in Smithtown, New York. Dr. Rivadeneira is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Diverticular Disease, Bladder Reconstruction, and Hernia Surgery. Dr. Rivadeneira is board certified in American Board Of Colon & Rectal Surgery and American Board Of Surgery. Dr. Rivadeneira is currently accepting new patients.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Mather Medical Group

    125 Oakland Avenue, Suite 204, 
    Port Jefferson, NY 
     (9.3 miles away)
    Languages Spoken:
    English, Russian
    Offers Telehealth

    Halyna Chykyda is a primary care provider, practicing in Internal Medicine in Port Jefferson, New York. Dr. Chykyda is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses COVID-19, Sepsis, Pneumonia, Gastrostomy, and Endoscopy. Dr. Chykyda is board certified in American Board Of Internal Medicine.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    Referral may be required

    St. Catherine Of Siena Hospital

    50 Route 25A, 
    Smithtown, NY 
     (0.5 miles away)
    Languages Spoken:
    English

    Zvi Alpern is a Gastroenterologist practicing medicine in Smithtown, New York. Dr. Alpern is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Sturge-Weber Syndrome, Cowden Syndrome, Gastrectomy, and Colonoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    St. Catherine Of Siena Hospital

    50 Route 25A, 
    Smithtown, NY 
     (0.5 miles away)
    Languages Spoken:
    English

    Alexander Gorbatsevich is a primary care provider, practicing in Internal Medicine in Smithtown, New York. Dr. Gorbatsevich is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Urinary Tract Infection in Children, Sepsis, Dehydration, Hip Replacement, and Ureteroscopy.

    Experienced in Colonoscopy
    Family Medicine | Hospital Medicine
    Experienced in Colonoscopy
    Family Medicine | Hospital Medicine

    Southwest Suffolk Medical PC

    50 Route 25a, 
    Smithtown, NY 
     (0.5 miles away)
    Languages Spoken:
    English

    Thomas D'amico is a Hospital Medicine provider practicing medicine in Smithtown, New York. Dr. D'amico is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Heart Failure with Preserved Ejection Fraction (HFpEF), Colonoscopy, and Pacemaker Implantation.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    St. Catherine Of Siena Hospital

    50 Route 25A, 
    Smithtown, NY 
     (0.5 miles away)
    Languages Spoken:
    English

    Muhammad Noor is a primary care provider, practicing in Internal Medicine in Smithtown, New York. Dr. Noor is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), Lung Metastases, Bladder Reconstruction, and Endoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    St. Catherine Of Siena Hospital

    50 Route 25A, 
    Smithtown, NY 
     (0.5 miles away)
    Languages Spoken:
    English

    Alina Ciobanu is a primary care provider, practicing in Internal Medicine in Smithtown, New York. Dr. Ciobanu 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 COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), Diverticular Disease, Endoscopy, and Gastrostomy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    St. Catherine Of Siena Hospital

    50 Route 25A, 
    Smithtown, NY 
     (0.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Robert Courgi is a primary care provider, practicing in Internal Medicine in Smithtown, New York. Dr. Courgi is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses COVID-19, Hypothyroidism, Sepsis, Hip Replacement, and Endoscopy.

    Experienced in Colonoscopy
    General Surgery
    Experienced in Colonoscopy
    General Surgery
    Referral may be required

    St. Catherine Of Siena Hospital

    50 Route 25A, 
    Smithtown, NY 
     (0.5 miles away)
    Languages Spoken:
    English

    Trichy Arumugam is a General Surgeon practicing medicine in Smithtown, New York. Dr. Arumugam 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 Choledocholithiasis, Cellulitis, Gallbladder Disease, Colostomy, and Gastrostomy.

    Experienced in Colonoscopy
    Internal Medicine | Hospital Medicine
    Experienced in Colonoscopy
    Internal Medicine | Hospital Medicine

    North Shore Hematology Oncology Associates PC

    48 Route 25a, 
    Smithtown, NY 
     (0.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Archna Sinha is a Hospital Medicine provider practicing medicine in Smithtown, New York. Dr. Sinha 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 End-Stage Renal Disease (ESRD), Gallbladder Disease, Heart Failure with Preserved Ejection Fraction (HFpEF), Gastrostomy, and Hip Replacement.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    Referral may be required

    Office

    48 Route 25A Ste 105, 
    Smithtown, NY 
     (0.8 miles away)
    Languages Spoken:
    English

    Ravi Ainapudi is a Gastroenterologist practicing medicine in Smithtown, New York. Dr. Ainapudi is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Choledocholithiasis, Chronic Idiopathic Constipation (CIC), Hiatal Hernia, Endoscopy, and Colonoscopy.

    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine

    Office

    373 Ny 111 Ste 14, 
    Smithtown, NY 
     (0.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Anna Siasoco is a primary care provider, practicing in Family Medicine in Smithtown, New York. Dr. Siasoco is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Small Cell Lung Cancer (SCLC), Stroke, Lung Cancer, Gastrostomy, and Endoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    Referral may be required

    Stony Brook Surgical Associates Ufpc

    222 E Main St Ste 209, 
    Smithtown, NY 
     (0.8 miles away)
    Languages Spoken:
    English

    Asim Khokhar is a Gastroenterologist practicing medicine in Smithtown, New York. Dr. Khokhar is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Esophageal Varices, Visceromegaly, Hepatitis, Endoscopy, and Colonoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    Referral may be required

    North Shore Digestive Medicine PC

    50 Route 111 Ste 302, 
    Smithtown, NY 
     (0.8 miles away)
    Languages Spoken:
    English

    Alan Spielberg is a Gastroenterologist practicing medicine in Smithtown, New York. Dr. Spielberg is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Tenesmus, Gastrointestinal Bleeding, Endoscopy, and Gastrectomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    Referral may be required

    North Shore Digestive Medicine PC

    50 Route 111 Ste 302, 
    Smithtown, NY 
     (0.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Farzad Forohar is a Gastroenterologist practicing medicine in Smithtown, New York. Dr. Forohar is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Gastric Dysmotility, Gastrectomy, and Endoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Smithtown Center For Rehabilitation & Nursing Care

    391 N Country Rd, 
    Smithtown, NY 
     (1.7 miles away)
    Languages Spoken:
    English

    Yuri Fink is a primary care provider, practicing in Internal Medicine in Smithtown, New York. Dr. Fink 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 Necrosis, Hypertensive Heart Disease, Lung Metastases, Gastrostomy, and Ureteroscopy.

    Showing 1-20 of 155

    Last Updated: 09/26/2026

    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 smithtown, 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 smithtown, 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 smithtown, 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 smithtown, 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 smithtown, 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 smithtown, 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 smithtown, 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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