The 20 Best Diarrhea Doctors Near Me in Riverhead, NY

Find the Top Diarrhea Experts and Specialists

The 20 Best Diarrhea Doctors near Riverhead, NY

Last Updated: 02/22/2026

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MediFind found 32 doctor with experience in Diarrhea near Riverhead, NY. Of these, 27 are Experienced, 4 are Advanced and 1 are Distinguished.

Location
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32 providers found
    Distinguished in Diarrhea
    Family Medicine
    Distinguished in Diarrhea
    Family Medicine
    31 Main Rd, Suite 1, 
    Riverhead, NY 
     (1.6 miles away)
    Languages Spoken:
    English

    Vishnudat Seodat is a primary care provider, practicing in Family Medicine in Riverhead, New York. Dr. Seodat is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Adenine Phosphoribosyltransferase Deficiency, Hereditary Xanthinuria, Adenylosuccinate Lyase Deficiency, and Hypothyroidism.

    Experienced in Diarrhea
    Anesthesiology | Pediatrics | Thoracic Surgery
    Experienced in Diarrhea
    Anesthesiology | Pediatrics | Thoracic Surgery
    1300 Roanoke Avenue, 
    Riverhead, NY 
     (1.3 miles away)
    Languages Spoken:
    English

    Nicholas Gagliano is a Pediatrics specialist and an Anesthesiologist in Riverhead, New York. Dr. Gagliano is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Adenomatous Polyposis, Hernia, Viral Gastroenteritis, and Acute Pain.

    Evan Nadal
    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Peconic Bay Medical Group At Riverhead, 34 Commerce Drive

    34 Commerce Avenue, 
    Riverhead, NY 
     (1.2 miles away)
    Languages Spoken:
    English

    After receiving his Bachelor of Arts Degree at the University Of Pennsylvania, Dr. Evan Nadal attended Medical School at the New York College of Osteopathic Medicine. Upon graduating from Medical School, Dr. Nadal completed a Residency in Family Medicine at The University of Medicine and Dentistry of New Jersey and became Board Certified in Family Medicine. He then went on to work for Montefiore Medical Center as a Family Physician and Clinic Medical Director for 14 years. Dr. Nadal joined the part-time teaching staff in the department of Family Medicine at the New York College of Osteopathic Medicine soon after graduating from his residency and has continued to teach medical students ever since. Dr. Nadal moved to the East End of Long Island in 1998 where he took over a Family Medicine Practice in Riverhead, New York. Dr. Nadal become the Assistant Program Director of the Family Medicine Residency at Peconic Bay Medical Center in Riverhead New York in 2011 and then became the Program Director of the Family Medicine Residency at Peconic Bay Medical Center in January of 2016. In addition to being the Program Director for the Family Medicine Residency at Peconic Bay Medical Center/ Northwell Health in Riverhead New York, Dr. Nadal continues to teach medical students along with Family Medicine Residents and maintains a busy Family Medicine Practice in Riverhead, New York. Dr. Nadal is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Lyme Disease, Anemia, High Cholesterol, and High Potassium Level.

    Learn about our expert tiers
    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Mehta & Mehta Physicians PC

    36 Osprey Ave, 
    Riverhead, NY 
     (1.4 miles away)
    Languages Spoken:
    English

    Dhiren Mehta is a Gastroenterologist in Riverhead, New York. Dr. Mehta is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Barrett Esophagus, Trichohepatoenteric Syndrome, Hepatitis, Gastrectomy, and Gastrostomy.

    Kevin J. Yeroushalmi
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Peconic Bay Medical Group At Manorville, Building D1

    496 County Road 111, Building D1, 
    Manorville, NY 
     (7.8 miles away)
    Languages Spoken:
    English, Farsi, Hebrew, Spanish
    Offers Telehealth

    Kevin Yeroushalmi is a Gastroenterologist in Manorville, New York. Dr. Yeroushalmi is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diarrhea, COVID-19, Radiation Enteritis, Neuroendocrine Tumor, and Endoscopy.

    Sara A. Cerrone
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Peconic Bay Medical Group At Manorville, Building D1

    496 County Road 111, Building D1, 
    Manorville, NY 
     (7.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sara Cerrone is a Gastroenterologist in Manorville, New York. Dr. Cerrone is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Gastrointestinal Bleeding, Angiodysplasia of the Colon, Gastritis, Endoscopy, and Gastrectomy.

    Advanced in Diarrhea
    Gastroenterology | Internal Medicine
    Advanced in Diarrhea
    Gastroenterology | Internal Medicine
    287 Wading River Road, 
    Manorville, NY 
     (9.9 miles away)
    Languages Spoken:
    English, Hebrew
    Offers Telehealth

    Mark Coronel is an Internal Medicine specialist and a Gastroenterologist in Manorville, New York. Dr. Coronel is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gastritis, Tenesmus, Indigestion, Gastrostomy, and Endoscopy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Joseph M. Duva MD PC

    887 Old Country Rd Ste A, 
    Riverhead, NY 
     (1.2 miles away)
    Languages Spoken:
    English

    Joseph Duva is a Gastroenterologist in Riverhead, New York. Dr. Duva is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Hiatal Hernia, Congenital Diaphragmatic Hernia, Barrett Esophagus, and Familial Adenomatous Polyposis.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Winthrop Community Medical Affiliates PC

    715 Roanoke Ave Ste 3, 
    Riverhead, NY 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Camile Gooden is a primary care provider, practicing in Internal Medicine in Riverhead, New York. Dr. Gooden is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Peripheral Neuropathy, Thyroid Storm, Hyperthyroidism, and Familial Hypertension.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine
    13000 Roanoke Avenue, 
    Riverhead, NY 
     (1.2 miles away)
    Languages Spoken:
    English, Bengali, Hindi

    Shaikh Ahmed is a primary care provider, practicing in Family Medicine in Riverhead, New York. Dr. Ahmed is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Liver Failure, Acute Kidney Failure, Sepsis, Gastrostomy, and Endoscopy.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Nyu Langone Medical Associates-Riverhead

    889 E Main St Ste 308, 
    Riverhead, NY 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    William Kornrich is a primary care provider, practicing in Internal Medicine in Riverhead, New York. Dr. Kornrich is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Spotted Fever.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Peconic Bay Medical Center

    1 Heroes Way, 
    Riverhead, NY 
     (1.2 miles away)
    Languages Spoken:
    English

    Edward Sun is an Internal Medicine provider in Riverhead, New York. Dr. Sun is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Angiodysplasia of the Colon, Gastrointestinal Bleeding, Watermelon Stomach, Endoscopy, and Colonoscopy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Peconic Bay Medical Center

    1 Heroes Way, 
    Riverhead, NY 
     (1.2 miles away)
    Languages Spoken:
    English

    Somia Mian is a Gastroenterologist in Riverhead, New York. Dr. Mian is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Arteriovenous Malformation, Gastrointestinal Bleeding, Painful Swallowing, Gastrectomy, and Colonoscopy.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Office

    185 Old Country Rd Ste 2, 
    Riverhead, NY 
     (1.4 miles away)
    Languages Spoken:
    English

    Kaushik Manthani is a primary care provider, practicing in Family Medicine in Riverhead, New York. Dr. Manthani is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Necrotizing Enterocolitis, Sepsis, End-Stage Renal Disease (ESRD), Gastrostomy, and Pacemaker Implantation.

    Experienced in Diarrhea
    Experienced in Diarrhea

    Northport VAMC

    300 Center Dr, 
    Riverhead, NY 
     (2.8 miles away)
    Languages Spoken:
    English

    Anne Ondricek is a Pediatrics provider in Riverhead, New York. Dr. Ondricek is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Delayed Growth, Idiopathic Short Stature (ISS), Familial Short Stature (FSS), and Short Stature (Growth Disorders).

    Fang Chen
    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Peconic Bay Medical Group At Manorville, Building D1

    496 County Road 111, Building D1, 
    Manorville, NY 
     (7.8 miles away)
    Languages Spoken:
    English

    Fang Chen is a primary care provider, practicing in Internal Medicine in Manorville, New York. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Hypothyroidism, Obesity in Children, Rocky Mountain Spotted Fever, and High Cholesterol.

    Jeffrey Tiu
    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Peconic Bay Medical Group At Manorville, Building D1

    496 County Road 111, Building D1, 
    Manorville, NY 
     (7.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jeffrey Tiu is a primary care provider, practicing in Family Medicine in Manorville, New York. Dr. Tiu is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Rocky Mountain Spotted Fever, Spotted Fever, High Cholesterol, and Hypothyroidism.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Westhampton Care Center

    78 Old Country Rd, 
    Westhampton, NY 
     (6.2 miles away)
    Languages Spoken:
    English

    Olaf Butchma is a primary care provider, practicing in Gastroenterologist in Westhampton, New York. Dr. Butchma is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Muscle Atrophy, Protein Deficiency, Anemia, and Malnutrition.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Peconic Bay Medical Group At Westhampton

    201 Montauk Hwy Ste 1, 
    Westhampton Beach, NY 
     (6.3 miles away)
    Languages Spoken:
    English

    Steven Spiegel is a primary care provider, practicing in Internal Medicine in Westhampton Beach, New York. Dr. Spiegel is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Hypothyroidism, Obesity in Children, End-Stage Renal Disease (ESRD), and High Cholesterol.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Peconic Family Medicine PC

    33 Montauk Hwy, 
    Quogue, NY 
     (7.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lewis Anreder is a primary care provider, practicing in Family Medicine in Quogue, New York. Dr. Anreder is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Anemia, Lung Metastases, Muscle Atrophy, and Post-Traumatic Epilepsy.

    Showing 1-20 of 32

    Last Updated: 02/22/2026

    What is the definition of Diarrhea?

    Diarrhea is when you pass loose or watery stool.

    When should I see a Diarrhea doctor near Riverhead, 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 Riverhead, 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 Riverhead, 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 Riverhead, 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 Riverhead, 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 Riverhead, 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 Riverhead, 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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