The 20 Best Diarrhea Doctors Near Me in commack, NY

Find the Top Diarrhea Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 226 doctor with experience in Diarrhea near commack, NY. Of these, 200 are Experienced, 24 are Advanced and 1 are Distinguished.

Location
LocationClose
226 providers found
    Distinguished in Diarrhea
    Gastroenterology
    Distinguished in Diarrhea
    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 a Distinguished provider by MediFind in the treatment of Diarrhea. 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 Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Mid-Suffolk Medical Care PC

    6277 Jericho Tpke, 
    Commack, NY 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mohammed Azaz is a primary care provider, practicing in Internal Medicine in Commack, New York. Dr. Azaz is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Obesity, High Cholesterol, Vitamin D Deficiency, and Obesity in Children. Dr. Azaz is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Mount Sinai Doctors Laboratory

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

    Glenn Rosett is a primary care provider, practicing in Internal Medicine in Greenlawn, New York. Dr. Rosett is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, Bronchitis, High Cholesterol, and Glucocorticoid-Remediable Aldosteronism. Dr. Rosett is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    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 Diarrhea. 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.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    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 Diarrhea. 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 Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Mount Sinai Doctors Laboratory

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

    Grace Tyndall is a primary care provider, practicing in Internal Medicine in Greenlawn, New York. Dr. Tyndall is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Sitosterolemia, Vitamin D Deficiency, High Cholesterol, and Hypothyroidism. Dr. Tyndall is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine
    5 Cuba Hill Road, 
    Greenlawn, NY 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Alexander O'connell is a primary care provider, practicing in Internal Medicine in Greenlawn, New York. Dr. O'connell is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Vitamin D Deficiency, Hypothyroidism, and Glucocorticoid-Remediable Aldosteronism. Dr. O'connell is board certified in American Board Of Internal Medicine.

    Advanced in Diarrhea
    Internal Medicine
    Advanced in Diarrhea
    Internal Medicine

    Cespedes And Cespedes

    33 Walt Whitman Rd Ste 100A, 
    Huntington Station, NY 
     (4.1 miles away)
    Languages Spoken:
    English

    Weining Liang is a primary care provider, practicing in Internal Medicine in Huntington Station, New York. Dr. Liang is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Otitis Media with Effusion, Contact Dermatitis, Flu, and Ethmoiditis.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    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 Advanced provider by MediFind in the treatment of Diarrhea. 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 Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Northwell Health Physician Partners Family Medicine At Smithtown

    9 Brooksite Drive, 
    Smithtown, NY 
     (4.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    James Dragone is a primary care provider, practicing in Family Medicine in Smithtown, New York. Dr. Dragone is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses Cystic Hygroma, Abdominal Cystic Lymphangioma, Cavernous Lymphangioma, and Hygroma Cervical.

    Advanced in Diarrhea
    Advanced in Diarrhea
    Referral may be required

    Brentwood & Bay Shore Dental Assocciates LLP

    27 Wicks Rd, 
    Brentwood, NY 
     (4.8 miles away)
    Languages Spoken:
    English

    Juan Espinoza is a Pediatrics provider practicing medicine in Brentwood, New York. Dr. Espinoza is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Anemia, Scarlet Fever, Roseola, and Herpangina.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Northwell Health Physician Partners Medicine At Huntington

    400 Park Avenue, 
    Huntington, NY 
     (7.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Eileen Gallagher is a primary care provider, practicing in Internal Medicine in Huntington, New York. Dr. Gallagher is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses High Cholesterol, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension. Dr. Gallagher is board certified in American Board Of Internal Medicine. Dr. Gallagher is currently accepting new patients.

    Advanced in Diarrhea
    Family Medicine
    Advanced in Diarrhea
    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 Advanced provider by MediFind in the treatment of Diarrhea. 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 Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Chspp-Catholic Health Services Physician

    500 Commack Rd Unit 150D, 
    Commack, NY 
     (0.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Rohit Gautam is a primary care provider, practicing in Internal Medicine in Commack, New York. Dr. Gautam is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Thrombocytopenia, Osteoarthritis, Polycystic Ovary Syndrome, and Anemia.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    Referral may be required

    Office

    283 Commack Rd Ste 200, 
    Commack, NY 
     (0.7 miles away)
    Languages Spoken:
    English

    Jacques Schmid is a Gastroenterologist practicing medicine in Commack, New York. Dr. Schmid is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Emphysema, Vitamin D Deficiency, and Gastrectomy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    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 Diarrhea. 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 Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    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 Diarrhea. 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 Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    MSKCC Regional Network

    650 Commack Rd, 
    Commack, NY 
     (2.3 miles away)
    Languages Spoken:
    English

    Ioana Chen is a primary care provider, practicing in Internal Medicine in Commack, New York. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Lung Adenocarcinoma, Small Cell Lung Cancer (SCLC), Familial Colorectal Cancer, Colorectal Cancer, and Gastrostomy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    Referral may be required
    200 Motor Parkway, Suite C14, # 15, 
    Hauppauge, NY 
     (3.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Stanley Fox is a Gastroenterologist practicing medicine in Hauppauge, New York. Dr. Fox is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Visceromegaly, Gastroesophageal Reflux Disease (GERD), Enlarged Liver, and Anemia. Dr. Fox is currently accepting new patients.

    Experienced in Diarrhea
    Experienced in Diarrhea
    Referral may be required
    5 Cuba Hill Road, 
    Greenlawn, NY 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Anne Conrad is a Pediatrics provider practicing medicine in Greenlawn, New York. Dr. Conrad is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Idiopathic Short Stature (ISS), Familial Short Stature (FSS), and Delayed Growth. Dr. Conrad is board certified in American Board Of Pediatrics. Dr. Conrad is currently accepting new patients.

    Showing 1-20 of 226

    Last Updated: 09/26/2026

    What is the definition of Diarrhea?

    Diarrhea is when you pass loose or watery stool.

    When should I see a Diarrhea 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 a Diarrhea 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 Diarrhea 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 Diarrhea 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 a Diarrhea 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 Diarrhea doctor search results page. 

    Why is it important to get a second opinion from a different Diarrhea 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 Diarrhea 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 Diarrhea 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 Diarrhea 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 Diarrhea doctors near commack, NY?

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

    Look for the filter feature on the left-side of the Diarrhea 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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