The 20 Best Ulcerative Colitis Doctors Near Me in commack, NY

Find the Top Ulcerative Colitis Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 112 doctor with experience in Ulcerative Colitis near commack, NY. Of these, 95 are Experienced, 15 are Advanced and 2 are Distinguished.

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112 providers found
    Experienced in Ulcerative Colitis
    Internal Medicine
    Experienced in Ulcerative Colitis
    Internal Medicine

    St. Catherine Of Siena Diagnostic Imaging

    500 Commack Rd, 
    Commack, NY 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Grace Reina is a primary care provider, practicing in Internal Medicine in Commack, New York. Dr. Reina is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Hypothyroidism, Obesity in Children, Childhood Iron Deficiency Anemia, and Infant Hyperglycemia. Dr. Reina is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Internal Medicine
    Experienced in Ulcerative Colitis
    Internal Medicine

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Mark Singer is a primary care provider, practicing in Internal Medicine in Greenlawn, New York. Dr. Singer is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Vitamin D Deficiency, Sitosterolemia, High Cholesterol, and Hypothyroidism. Dr. Singer is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Internal Medicine
    Experienced in Ulcerative Colitis
    Internal Medicine

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Barbara Stumacher is a primary care provider, practicing in Internal Medicine in Greenlawn, New York. Dr. Stumacher is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses Sitosterolemia, Congenital Sucrase-Isomaltase Deficiency, Glucose Phosphate Isomerase Deficiency, and Glucose-Galactose Malabsorption Deficiency. Dr. Stumacher is currently accepting new patients.

    Learn about our expert tiers
    Distinguished in Ulcerative Colitis
    Pediatric Gastroenterology
    Distinguished in Ulcerative Colitis
    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 
     (5.8 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 a Distinguished provider by MediFind in the treatment of Ulcerative Colitis. 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.

    Advanced in Ulcerative Colitis
    Gastroenterology
    Advanced in Ulcerative Colitis
    Gastroenterology
    Referral may be required
    789 Park Avenue, 
    Huntingtn Station, NY 
     (4.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jay Steinberg is a Gastroenterologist practicing medicine in Huntingtn Station, New York. Dr. Steinberg is rated as an Advanced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Ulcerative Colitis, Diverticular Disease, Hiatal Hernia, and Gastrectomy. Dr. Steinberg is currently accepting new patients.

    Advanced in Ulcerative Colitis
    Gastroenterology
    Advanced in Ulcerative Colitis
    Gastroenterology
    Referral may be required

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (4.3 miles away)
    Languages Spoken:
    English

    Scott Ingber is a Gastroenterologist practicing medicine in Greenlawn, New York. Dr. Ingber is rated as an Advanced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Ulcerative Colitis, and Familial Adenomatous Polyposis.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology
    Referral may be required

    Robert M. Lazar MD PC

    1092 Jericho Tpke Ste 2S, 
    Commack, NY 
     (1.8 miles away)
    Languages Spoken:
    English

    Robert Lazar is a Gastroenterologist practicing medicine in Commack, New York. Dr. Lazar is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Diverticular Disease, Hiatal Hernia, and Congenital Diaphragmatic Hernia.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology
    Referral may be required

    Robert M. Lazar MD PC

    1092 Jericho Tpke Ste 2S, 
    Commack, NY 
     (1.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Richard Feldstein is a Gastroenterologist practicing medicine in Commack, New York. Dr. Feldstein is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Heartburn, Menetrier Disease, Endoscopy, and Gastrectomy.

    Experienced in Ulcerative Colitis
    Pediatric Gastroenterology
    Experienced in Ulcerative Colitis
    Pediatric Gastroenterology
    Referral may be required

    Stony Brook Advanced Pediatric Care

    260 E Main St Ste 107, 
    Smithtown, NY 
     (4.3 miles away)
    Languages Spoken:
    English

    Jeffrey Morganstern is a Pediatric Gastroenterologist practicing medicine in Smithtown, New York. Dr. Morganstern is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Hemorrhagic Proctocolitis, and Ulcerative Colitis.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology
    Referral may be required

    Office

    48 Route 25A Ste 105, 
    Smithtown, NY 
     (4.3 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 the treatment of Ulcerative Colitis. 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 Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology
    Referral may be required

    North Shore Digestive Medicine PC

    50 Route 111 Ste 302, 
    Smithtown, NY 
     (4.3 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 the treatment of Ulcerative Colitis. 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 Ulcerative Colitis
    Internal Medicine
    Experienced in Ulcerative Colitis
    Internal Medicine

    North Shore Hematology Oncology Associates

    48 Route 25A Ste 209, 
    Smithtown, NY 
     (4.3 miles away)
    Languages Spoken:
    English

    Rocco Caruso is a primary care provider, practicing in Internal Medicine in Smithtown, New York. Dr. Caruso is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Blood Clots, Beta Thalassemia, Childhood Iron Deficiency Anemia, and Anemia.

    Experienced in Ulcerative Colitis
    Internal Medicine
    Experienced in Ulcerative Colitis
    Internal Medicine

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (4.3 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Offers Telehealth

    Eric Ballecer is a primary care provider, practicing in Internal Medicine in Greenlawn, New York. He has been practicing medicine for over 10 years. Dr. Ballecer is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Berdon Syndrome, Diverticular Disease, Heartburn, and Gas Bloat Syndrome.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology
    Referral may be required

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Jon Wiggins is a Gastroenterologist practicing medicine in Greenlawn, New York. Dr. Wiggins is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Choledocholithiasis, Gastrointestinal Bleeding, Bile Duct Obstruction, Endoscopy, and Gastrectomy. Dr. Wiggins is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Internal Medicine
    Experienced in Ulcerative Colitis
    Internal Medicine

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (4.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ning Ding is a primary care provider, practicing in Internal Medicine in Greenlawn, New York. Dr. Ding is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Atherosclerosis, Peripheral Artery Disease, Menopause, Crohn's Disease, and Leg or Foot Amputation.

    Experienced in Ulcerative Colitis
    Family Medicine
    Experienced in Ulcerative Colitis
    Family Medicine

    Dr. Anthony J. Rizzo

    200 Howells Rd, 
    Bay Shore, NY 
     (7.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Anthony Rizzo is a primary care provider, practicing in Family Medicine in Bay Shore, New York. Dr. Rizzo is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 138 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Gastrostomy, and Pacemaker Implantation. Dr. Rizzo is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Family Medicine
    Experienced in Ulcerative Colitis
    Family Medicine

    Ocean Family Medicine LLC

    158 E Main St, 
    Bay Shore, NY 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    John Muratori is a primary care provider, practicing in Family Medicine in Bay Shore, New York. Dr. Muratori is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, Blood Clots, and Hip Replacement. Dr. Muratori is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Family Medicine
    Experienced in Ulcerative Colitis
    Family Medicine

    United Presbyterian Home

    378 Syosset Woodbury Rd, 
    Woodbury, NY 
     (9.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Khalid Noori is a primary care provider, practicing in Family Medicine in Woodbury, New York. Dr. Noori is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 93 other conditions, according to our data. His clinical expertise encompasses Necrosis, Anemia, Sepsis, Gastrostomy, and Endoscopy. Dr. Noori is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology
    Referral may be required

    Northwell Health Physician Partners At Smithtown

    222 Middle Country Road, Suite 330, 
    Smithtown, NY 
     (5.8 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 the treatment of Ulcerative Colitis. 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 Ulcerative Colitis
    Colorectal Surgery
    Experienced in Ulcerative Colitis
    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 
     (5.8 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 the treatment of Ulcerative Colitis. 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.

    Showing 1-20 of 112

    Last Updated: 09/26/2026

    What is the definition of Ulcerative Colitis?

    Ulcerative colitis (UC) is a chronic inflammatory bowel disease (IBD) characterized by the development of ulcers in the lining of the digestive tract, which most often affect the colon and rectum. While ulcerative colitis can occur at any age, it most frequently appears between the ages of 15 and 30, or after the age of 60. There are several types of ulcerative colitis that are categorized by the area of the digestive tract affected by the disease, such as ulcerative proctitis (inflammation of area closest to the rectum), proctosigmoiditis (inflammation of the sigmoid colon and rectum), left-sided colitis (inflammation of descending colon, sigmoid colon, and rectum), pancolitis (inflammation of the entire colon), and a rare form of ulcerative colitis known as acute severe ulcerative colitis (severe inflammation of entire colon). Ulcerative colitis can also affect other areas of the body, causing inflammation of the skin, eyes, liver, joints, and back.

    When should I see an Ulcerative Colitis doctor near commack, 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 an Ulcerative Colitis doctor near commack, 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 Ulcerative Colitis doctors near commack, 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 Ulcerative Colitis doctors near commack, 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 an Ulcerative Colitis doctor near commack, 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 Ulcerative Colitis doctor search results page. 

    Why is it important to get a second opinion from a different Ulcerative Colitis 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 an Ulcerative Colitis doctor near commack, 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 Ulcerative Colitis 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 Ulcerative Colitis 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 Ulcerative Colitis doctors near commack, NY?

    Look for the filter feature on the left side of the Ulcerative Colitis 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 an Ulcerative Colitis doctor that offers video calls?

    Look for the filter feature on the left-side of the Ulcerative Colitis 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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