The 20 Best Diarrhea Doctors Near Me in lk ronkonkoma, NY

Find the Top Diarrhea Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 173 doctor with experience in Diarrhea near lk ronkonkoma, NY. Of these, 150 are Experienced, 21 are Advanced and 1 are Distinguished.

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173 providers found
    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Office

    601 Portion Rd Ste 2, 
    Lk Ronkonkoma, NY 
     (1.4 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 Diarrhea. 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 Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Office

    1500 Ocean Ave Ste C, 
    Bohemia, NY 
     (4.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Sareth Pinnamaneni is a primary care provider, practicing in Family Medicine in Bohemia, New York. Dr. Pinnamaneni is rated as an Experienced 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 Lyme Disease, Hypothyroidism, Glossitis, and Pernicious Anemia. Dr. Pinnamaneni is currently accepting new patients.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Healthsource Medical Services Medford PLLC

    1743 N Ocean Ave, 
    Medford, NY 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Ryder is a primary care provider, practicing in Family Medicine in Medford, New York. Dr. Ryder is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Idiopathic Edema, End-Stage Renal Disease (ESRD), Familial Hypertension, and Hypertension. Dr. Ryder is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Diarrhea
    Experienced in Diarrhea

    Mather Primary Care At Stony Brook

    2500 Nesconset Highway, Bldg 2, 
    Stony Brook, NY 
     (3.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jessica Blydenburgh is a primary care provider, practicing in Family Medicine in Stony Brook, New York. Dr. Blydenburgh is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and High Cholesterol.

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

    Northwell Health Physician Partners At Smithtown

    222 Middle Country Road, Suite 330, 
    Smithtown, NY 
     (4.4 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 Diarrhea. 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 Diarrhea
    Pediatric Gastroenterology
    Experienced in Diarrhea
    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 
     (4.4 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 the treatment of Diarrhea. 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 Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    Referral may be required

    Digestive Disease Care PC

    235 N Belle Mead Ave, 
    East Setauket, NY 
     (4.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Andrew Blank is a Gastroenterologist practicing medicine in East Setauket, New York. Dr. Blank is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Gastritis, Helicobacter Pylori Infection, Endoscopy, and Gastrostomy.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    Referral may be required

    Digestive Disease Care PC

    235 N Belle Mead Ave, 
    East Setauket, NY 
     (4.9 miles away)
    Languages Spoken:
    English

    Syeda Hossain is a Gastroenterologist practicing medicine in East Setauket, New York. Dr. Hossain is rated as an Advanced 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 Hiatal Hernia, Congenital Diaphragmatic Hernia, Proctitis, Gas Bloat Syndrome, and Endoscopy.

    Distinguished in Diarrhea
    Gastroenterology
    Distinguished in Diarrhea
    Gastroenterology
    Referral may be required

    North Shore Digestive Medicine PC

    50 Route 111 Ste 302, 
    Smithtown, NY 
     (5.7 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
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Office

    122 Portion Rd, 
    Ronkonkoma, NY 
     (0.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ismail Ozcan is a primary care provider, practicing in Family Medicine in Ronkonkoma, New York. Dr. Ozcan is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Vitamin D Deficiency, Anemia, Sitosterolemia, and Familial Hypertriglyceridemia.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Office

    7 Rosemary Ln, 
    Centereach, NY 
     (3.1 miles away)
    Languages Spoken:
    English

    Dominick Basile is a primary care provider, practicing in Internal Medicine in Centereach, New York. Dr. Basile is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and High Cholesterol.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    North Shore Medical Group Of The Mount Sinai School Of Medicine

    59 Southern Blvd, 
    Nesconset, NY 
     (3.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Andrew Radzik is a primary care provider, practicing in Internal Medicine in Nesconset, New York. Dr. Radzik is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Low Sodium Level. Dr. Radzik is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Primary Medical Care Of Suffolk County PC

    55 Southern Blvd, 
    Nesconset, NY 
     (3.3 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 Diarrhea. 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 Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Optimum Care Family Medicine LLC

    321 E Main St Ste 1, 
    Smithtown, NY 
     (4.0 miles away)
    Languages Spoken:
    English

    Nicholas Livrieri is a primary care provider, practicing in Family Medicine in Smithtown, New York. Dr. Livrieri is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses Anemia, High Cholesterol, Fish-Eye Disease, and Familial HDL Deficiency.

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

    New York Spine Care Medical PC

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

    Francesco Gallo is a Gastroenterologist practicing medicine in Smithtown, New York. Dr. Gallo 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 Diverticular Disease, Barrett Esophagus, Heartburn, and Hiatal Hernia.

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

    New York Spine Care Medical PC

    285 E Main St, 
    Smithtown, NY 
     (4.1 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 Diarrhea. 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 Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Anna M Mirski Primary Medical Care PLLC

    1690 Washington Ave Ste C, 
    Bohemia, NY 
     (4.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Adalbert Pilip is a primary care provider, practicing in Internal Medicine in Bohemia, New York. Dr. Pilip is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Nasal Flaring, Peripheral Artery Disease, Peroxisomal Acyl-CoA Oxidase Deficiency, and Obesity. Dr. Pilip is currently accepting new patients.

    Experienced in Diarrhea
    Experienced in Diarrhea
    Referral may be required

    Kids Care Pediatrics

    239 Boyle Rd Ste 7, 
    Selden, NY 
     (4.2 miles away)
    Languages Spoken:
    English

    Anna Schwartz is a Pediatrics provider practicing medicine in Selden, New York. Dr. Schwartz is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Obesity in Children, Respiratory Syncytial Virus (RSV) Infection, Croup, and Viral Gastroenteritis.

    Experienced in Diarrhea
    Experienced in Diarrhea
    Referral may be required

    Kids Care Pediatrics

    239 Boyle Rd Ste 7, 
    Selden, NY 
     (4.2 miles away)
    Languages Spoken:
    English

    Amy Leonard is a Pediatrics provider practicing medicine in Selden, New York. Dr. Leonard 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 Obesity in Children, Respiratory Syncytial Virus (RSV) Infection, Viral Gastroenteritis, and Autism Spectrum Disorder.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Smithtown Medical Specialists PC

    215 E Main St, 
    Smithtown, NY 
     (4.4 miles away)
    Languages Spoken:
    English

    Richard Gold is a primary care provider, practicing in Internal Medicine in Smithtown, New York. Dr. Gold is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, High Cholesterol, and Ureteroscopy.

    Showing 1-20 of 173

    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 lk ronkonkoma, 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 lk ronkonkoma, 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 lk ronkonkoma, 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 lk ronkonkoma, 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 lk ronkonkoma, 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 lk ronkonkoma, 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 lk ronkonkoma, 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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