The 20 Best Lactose Intolerance Doctors Near Me in smithtown, NY

Find the Top Lactose Intolerance Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 22 doctor with experience in Lactose Intolerance near smithtown, NY. Of these, 17 are Experienced and 5 are Advanced.

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22 providers found
    Advanced in Lactose Intolerance
    Pediatric Gastroenterology
    Advanced in Lactose Intolerance
    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 Advanced provider by MediFind in the treatment of Lactose Intolerance. 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 Lactose Intolerance
    Gastroenterology
    Advanced in Lactose Intolerance
    Gastroenterology
    Referral may be required

    New York Spine Care Medical PC

    285 E Main St, 
    Smithtown, NY 
     (0.9 miles away)
    Languages Spoken:
    English

    Francesco Gallo is a Gastroenterologist practicing medicine in Smithtown, New York. Dr. Gallo is rated as an Advanced provider by MediFind in the treatment of Lactose Intolerance. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Barrett Esophagus, Heartburn, and Hiatal Hernia.

    Experienced in Lactose Intolerance
    Gastroenterology
    Experienced in Lactose Intolerance
    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 the treatment of Lactose Intolerance. 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.

    Learn about our expert tiers
    Experienced in Lactose Intolerance
    Pediatric Gastroenterology
    Experienced in Lactose Intolerance
    Pediatric Gastroenterology
    Referral may be required

    Stony Brook Advanced Pediatric Care

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

    Keith Breglio is a Pediatric Gastroenterologist practicing medicine in Smithtown, New York. Dr. Breglio is rated as an Experienced provider by MediFind in the treatment of Lactose Intolerance. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Encopresis, Tracheoesophageal Fistula, and Diarrhea.

    Experienced in Lactose Intolerance
    Gastroenterology
    Experienced in Lactose Intolerance
    Gastroenterology
    Referral may be required

    New York Spine Care Medical PC

    285 E Main St, 
    Smithtown, NY 
     (0.9 miles away)
    Languages Spoken:
    English

    Matias D'costa is a Gastroenterologist practicing medicine in Smithtown, New York. Dr. D'costa is rated as an Experienced provider by MediFind in the treatment of Lactose Intolerance. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Hemorrhoids, Heartburn, and Gastric Dysmotility.

    Experienced in Lactose Intolerance
    Internal Medicine
    Experienced in Lactose Intolerance
    Internal Medicine

    Primary Medical Care Of Suffolk County PC

    55 Southern Blvd, 
    Nesconset, NY 
     (1.9 miles away)
    Languages Spoken:
    English

    Richard Sabinsky is a primary care provider, practicing in Internal Medicine in Nesconset, New York. Dr. Sabinsky is rated as an Experienced provider by MediFind in the treatment of Lactose Intolerance. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Hypertensive Heart Disease, High Cholesterol, Enlarged Liver, and Nephrosclerosis.

    Experienced in Lactose Intolerance
    Family Medicine
    Experienced in Lactose Intolerance
    Family Medicine

    Office

    601 Portion Rd Ste 2, 
    Lk Ronkonkoma, NY 
     (5.1 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Blessan Thomas is a primary care provider, practicing in Family Medicine in Lk Ronkonkoma, New York. He has been practicing medicine for over 10 years. Dr. Thomas is rated as an Experienced provider by MediFind in the treatment of Lactose Intolerance. He is also highly rated in 64 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Vitamin D Deficiency, Vitamin B12 Deficiency Anemia, and Folate Deficiency. Dr. Thomas is currently accepting new patients.

    Experienced in Lactose Intolerance
    Family Medicine
    Experienced in Lactose Intolerance
    Family Medicine

    Dr. Anthony J. Rizzo

    200 Howells Rd, 
    Bay Shore, NY 
     (9.4 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 Lactose Intolerance. 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 Lactose Intolerance
    Gastroenterology
    Experienced in Lactose Intolerance
    Gastroenterology
    Referral may be required

    Northwell Health Physician Partners Gastroenterology At Bay Shore

    39 Brentwood Road, Suite 201, 
    Bay Shore, NY 
     (8.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Paul Broomfield is a Gastroenterologist practicing medicine in Bay Shore, New York. Dr. Broomfield is rated as an Experienced provider by MediFind in the treatment of Lactose Intolerance. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Visceromegaly, Enlarged Liver, Irritable Bowel Syndrome (IBS), Gastrectomy, and Gastrostomy. Dr. Broomfield is currently accepting new patients.

    Experienced in Lactose Intolerance
    Gastroenterology
    Experienced in Lactose Intolerance
    Gastroenterology
    Referral may be required

    Mount Sinai Doctors Laboratory

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

    Scott Ingber is a Gastroenterologist practicing medicine in Greenlawn, New York. Dr. Ingber is rated as an Experienced provider by MediFind in the treatment of Lactose Intolerance. 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 Lactose Intolerance
    Internal Medicine
    Experienced in Lactose Intolerance
    Internal Medicine

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (9.2 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 Lactose Intolerance. 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 Lactose Intolerance
    Gastroenterology
    Experienced in Lactose Intolerance
    Gastroenterology
    Referral may be required

    Gastroenterology Associates Of Suffolk PC

    931 Hallock Ave, 
    Port Jefferson Station, NY 
     (9.6 miles away)
    Languages Spoken:
    English

    Charles Albert is a Gastroenterologist practicing medicine in Port Jefferson Station, New York. Dr. Albert is rated as an Experienced provider by MediFind in the treatment of Lactose Intolerance. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, and Congenital Diaphragmatic Hernia.

    Experienced in Lactose Intolerance
    Gastroenterology
    Experienced in Lactose Intolerance
    Gastroenterology
    Referral may be required

    Western Suffolk Gastroenterology Assoc LLP

    375 E Main St Ste 21, 
    Bay Shore, NY 
     (9.6 miles away)
    Languages Spoken:
    English

    Jeffrey Ashkin is a Gastroenterologist practicing medicine in Bay Shore, New York. Dr. Ashkin is rated as an Experienced provider by MediFind in the treatment of Lactose Intolerance. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Lactose Intolerance, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy.

    Experienced in Lactose Intolerance
    Gastroenterology
    Experienced in Lactose Intolerance
    Gastroenterology
    Referral may be required

    Mather Gastroenterology At Port Jefferson

    70 North Country Rd, Suite 101, 
    Port Jefferson, NY 
     (9.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ramona Rajapakse is a Gastroenterologist practicing medicine in Port Jefferson, New York. Dr. Rajapakse is rated as an Experienced provider by MediFind in the treatment of Lactose Intolerance. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Gastroesophageal Reflux Disease (GERD), and Hemorrhagic Proctocolitis. Dr. Rajapakse is board certified in American Board Of Internal Medicine/Gastroenterology. Dr. Rajapakse is currently accepting new patients.

    Advanced in Lactose Intolerance
    Gastroenterology
    Advanced in Lactose Intolerance
    Gastroenterology
    Referral may be required
    789 Park Avenue, 
    Huntington, NY 
     (12.1 miles away)
    Languages Spoken:
    English, Hebrew, Yiddish
    Accepting New Patients

    Barry Glanzman is a Gastroenterologist practicing medicine in Huntington, New York. Dr. Glanzman is rated as an Advanced provider by MediFind in the treatment of Lactose Intolerance. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Esophagitis, Hiatal Hernia, and Gastroesophageal Reflux Disease (GERD). Dr. Glanzman is currently accepting new patients.

    Advanced in Lactose Intolerance
    Gastroenterology
    Advanced in Lactose Intolerance
    Gastroenterology
    Referral may be required
    1111 Montauk Highway, Suite 3, 1, 
    West Islip, NY 
     (12.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Mitchell Weinstein is a Gastroenterologist practicing medicine in West Islip, New York. Dr. Weinstein is rated as an Advanced provider by MediFind in the treatment of Lactose Intolerance. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Hemorrhoids, Diverticular Disease, and Gastroesophageal Reflux Disease (GERD). Dr. Weinstein is currently accepting new patients.

    Advanced in Lactose Intolerance
    Gastroenterology
    Advanced in Lactose Intolerance
    Gastroenterology
    Referral may be required

    Suffolk Pediatric Associates P.C.

    1111 Montauk Hwy, 
    West Islip, NY 
     (12.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    William Disanti is a Gastroenterologist practicing medicine in West Islip, New York. Dr. Disanti is rated as an Advanced provider by MediFind in the treatment of Lactose Intolerance. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, Congenital Diaphragmatic Hernia, and Gastrectomy. Dr. Disanti is currently accepting new patients.

    Experienced in Lactose Intolerance
    Gastroenterology
    Experienced in Lactose Intolerance
    Gastroenterology
    Referral may be required

    Boris Matusevich Physician PC

    1175 Montauk Hwy Ste 3, 
    West Islip, NY 
     (11.4 miles away)
    Languages Spoken:
    English

    Darius Sorbi is a Gastroenterologist practicing medicine in West Islip, New York. Dr. Sorbi is rated as an Experienced provider by MediFind in the treatment of Lactose Intolerance. He is also highly rated in 48 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Diverticular Disease, Congenital Diaphragmatic Hernia, and Hiatal Hernia.

    Experienced in Lactose Intolerance
    Pediatric Gastroenterology
    Experienced in Lactose Intolerance
    Pediatric Gastroenterology
    Referral may be required

    Good Samaritan Hospice

    655 Deer Park Ave, 
    Babylon, NY 
     (11.8 miles away)
    Languages Spoken:
    English

    David Gold is a Pediatric Gastroenterologist practicing medicine in Babylon, New York. Dr. Gold is rated as an Experienced provider by MediFind in the treatment of Lactose Intolerance. His clinical expertise encompasses Celiac Disease, Eosinophilic Esophagitis, Colitis, and Viral Gastroenteritis.

    Experienced in Lactose Intolerance
    Gastroenterology
    Experienced in Lactose Intolerance
    Gastroenterology
    Referral may be required
    500 Montauk Highway, Suite B, 
    West Islip, NY 
     (12.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Krishnaiyer Subramani is a Gastroenterologist practicing medicine in West Islip, New York. Dr. Subramani is rated as an Experienced provider by MediFind in the treatment of Lactose Intolerance. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Cholangitis, Sclerosing Cholangitis, Hepatitis, and Endoscopy. Dr. Subramani is currently accepting new patients.

    Showing 1-20 of 22

    Last Updated: 09/26/2026

    What is the definition of Lactose Intolerance?

    Lactose is a type of sugar found in milk and other dairy products. An enzyme called lactase is needed by the body to digest lactose.

    Lactose intolerance develops when the small intestine does not make enough of this enzyme.

    When should I see a Lactose Intolerance 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 Lactose Intolerance 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 Lactose Intolerance 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 Lactose Intolerance 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 Lactose Intolerance 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 Lactose Intolerance doctor search results page. 

    Why is it important to get a second opinion from a different Lactose Intolerance 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 Lactose Intolerance 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 Lactose Intolerance 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 Lactose Intolerance 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 Lactose Intolerance doctors near smithtown, NY?

    Look for the filter feature on the left side of the Lactose Intolerance 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 Lactose Intolerance doctor that offers video calls?

    Look for the filter feature on the left-side of the Lactose Intolerance 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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