The 20 Best Diarrhea Doctors Near Me in lancaster, MA

Find the Top Diarrhea Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 142 doctor with experience in Diarrhea near lancaster, MA. Of these, 135 are Experienced and 6 are Advanced.

Location
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142 providers found
    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Quest Diagnostics Massachusetts LLC

    225 New Lancaster Rd, 
    Leominster, MA 
     (4.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    John Schneeweis is a primary care provider, practicing in Family Medicine in Leominster, Massachusetts. Dr. Schneeweis is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses Sciatica, Type 2 Diabetes (T2D), High Cholesterol, and Familial Combined Hyperlipidemia. Dr. Schneeweis is currently accepting new patients.

    Experienced in Diarrhea
    Experienced in Diarrhea
    Referral may be required

    Clinton Hospital Association

    201 Highland St, 
    Clinton, MA 
     (2.1 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Lucille Kanjer-Larson is a Pediatrics provider practicing medicine in Clinton, Massachusetts. Dr. Kanjer-Larson is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Autism Spectrum Disorder, Delayed Growth, Symphalangism Distal, and Developmental Dysphasia Familial. Dr. Kanjer-Larson is currently accepting new patients.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Quest Diagnostics Massachusetts LLC

    225 New Lancaster Rd, 
    Leominster, MA 
     (4.0 miles away)
    Languages Spoken:
    English

    Iris Sullivan is a primary care provider, practicing in Family Medicine in Leominster, Massachusetts. Dr. Sullivan is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Bowlegs, Hypertension, Familial Hypertension, Endoscopy, and Colonoscopy.

    Learn about our expert tiers
    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Family Medical

    87 N Main St, 
    Leominster, MA 
     (7.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Audrey Tracey is a primary care provider, practicing in Family Medicine in Leominster, Massachusetts. Dr. Tracey is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Generalized Anxiety Disorder (GAD), Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Tracey is currently accepting new patients.

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

    UMass Memorial Health - Marlborough Campus

    157 Union Street, 
    Marlborough, MA 
     (9.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Jean Houghton is a Gastroenterologist practicing medicine in Marlborough, Massachusetts. Dr. Houghton is rated as an Advanced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Colitis, Swallowing Difficulty, Painful Swallowing, Endoscopy, and Colonoscopy. Dr. Houghton is board certified in Gastroenterology. Dr. Houghton is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Charles River Medical Associates

    162 Main Street, 
    Northborough, MA 
     (9.3 miles away)
    Languages Spoken:
    English, Hindi
    Accepting New Patients
    Offers Telehealth

    Rajitha Csudae is a primary care provider, practicing in Internal Medicine in Northborough, Massachusetts. Dr. Csudae is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Juvenile Polyposis Syndrome, Attenuated Familial Adenomatous Polyposis, and Cronkhite-Canada Disease. Dr. Csudae is board certified in Internal Medicine. Dr. Csudae is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Saqib N Qureshi MD PC

    112 Main St, 
    Northborough, MA 
     (9.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Saqib Qureshi is a primary care provider, practicing in Internal Medicine in Northborough, Massachusetts. Dr. Qureshi is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Congenital Antithrombin 3 Deficiency, Protein S Deficiency, Protein C Deficiency, and Hereditary Resistance to Anti-Vitamin K. Dr. Qureshi is currently accepting new patients.

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

    UMass Memorial Medical Center - Memorial Campus

    119 Belmont Street, 
    Worcester, MA 
     (13.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Sarah Hyder is a Gastroenterologist practicing medicine in Worcester, Massachusetts. Dr. Hyder 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 Cronkhite-Canada Disease, Hereditary Pancreatitis, Acute Pancreatitis, Endoscopy, and Gastrectomy. Dr. Hyder is board certified in Gastroenterology and Internal Medicine. Dr. Hyder is currently accepting new patients.

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

    Elliot J Feinberg MD

    105 Erdman Way, 
    Leominster, MA 
     (7.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Min Song is a Gastroenterologist practicing medicine in Leominster, Massachusetts. Dr. Song is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Barrett Esophagus, Painful Swallowing, Endoscopy, and Gastrectomy. Dr. Song is currently accepting new patients.

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

    Elliot J Feinberg MD

    105 Erdman Way, 
    Leominster, MA 
     (7.8 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Maria Lonshteyn is a Gastroenterologist practicing medicine in Leominster, Massachusetts. She has been practicing medicine for over 18 years. Dr. Lonshteyn is rated as an Advanced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Diarrhea, Trichohepatoenteric Syndrome, Painful Swallowing, Gastrectomy, and Endoscopy. Dr. Lonshteyn is currently accepting new patients.

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

    Center For Digestive Wellness

    105 Erdman Way, 
    Leominster, MA 
     (7.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Elliot Feinberg is a Gastroenterologist practicing medicine in Leominster, Massachusetts. Dr. Feinberg 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 Heartburn, Barrett Esophagus, Diverticular Disease, and Familial Adenomatous Polyposis. Dr. Feinberg is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Charles River Medical Associates

    157 Washington Street, 
    Hudson, MA 
     (7.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michele Goh is a primary care provider, practicing in Internal Medicine in Hudson, Massachusetts. Dr. Goh is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 28 other conditions, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Vitamin B12 Deficiency Anemia, Folate Deficiency, and Multiple Carboxylase Deficiency. Dr. Goh is currently accepting new patients.

    Pediatric Gastroenterology
    Pediatric Gastroenterology
    Referral may be required

    UMass Memorial Health At Northborough Crossing

    Northborough, MA 
     (9.1 miles away)
    Languages Spoken:
    English, Cantonese, French
    Accepting New Patients

    Jay Fong is a Pediatric Gastroenterologist practicing medicine in Northborough, Massachusetts. Dr. Fong is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses Encopresis, Bowel Incontinence, Diarrhea, Non-Alcoholic Fatty Liver Disease, and Endoscopy. Dr. Fong is board certified in Pediatric Gastroenterology and Pediatrics, General Pediatrics. Dr. Fong is currently accepting new patients.

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

    UMass Memorial Health - Marlborough Campus

    157 Union Street, 
    Marlborough, MA 
     (9.2 miles away)
    Languages Spoken:
    English, Hebrew, Russian
    Accepting New Patients
    Offers Telehealth

    Dmitry Finkelberg is a Gastroenterologist practicing medicine in Marlborough, Massachusetts. Dr. Finkelberg is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Esophagitis, Painful Swallowing, Swallowing Difficulty, Gastrectomy, and Colonoscopy. Dr. Finkelberg is board certified in Gastroenterology and Internal Medicine. Dr. Finkelberg is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Charles River Medical Associates

    246 Maple Street, 
    Marlborough, MA 
     (10.4 miles away)
    Languages Spoken:
    English, Italian, Portuguese, Spanish
    Accepting New Patients
    Offers Telehealth

    Jose Flores-Cardillo is a primary care provider, practicing in Internal Medicine in Marlborough, Massachusetts. Dr. Flores-Cardillo is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, Vitamin D Deficiency, High Cholesterol, and Anemia. Dr. Flores-Cardillo is board certified in Internal Medicine. Dr. Flores-Cardillo is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Charles River Medical Associates

    246 Maple Street, 
    Marlborough, MA 
     (10.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Vinay Kumar is a primary care provider, practicing in Internal Medicine in Marlborough, Massachusetts. Dr. Kumar is rated as an Experienced 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 Multiple Carboxylase Deficiency, Vitamin B12 Deficiency Anemia, Folate Deficiency, and Subacute Combined Degeneration. Dr. Kumar is board certified in Internal Medicine. Dr. Kumar is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Charles River Medical Associates

    101 Coolidge St, 
    Hudson, MA 
     (5.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Richard Mcmahon is a primary care provider, practicing in Internal Medicine in Hudson, Massachusetts. Dr. Mcmahon 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 Legius Syndrome, Neurofibromatosis, RASopathies, and Infant Hyperglycemia. Dr. Mcmahon is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Leominster Medical Associates

    50 Memorial Dr Ste 205, 
    Leominster, MA 
     (6.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Daniel O'leary is a primary care provider, practicing in Internal Medicine in Leominster, Massachusetts. Dr. O'leary 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 Diabetic Nephropathy, Urinary Tract Infection in Children, Urinary Tract Infection (UTI), and Mycosis Fungoides.

    Experienced in Diarrhea
    Pediatrics
    Experienced in Diarrhea
    Pediatrics
    Referral may be required

    Office

    100 Hospital Rd Ste 4A, 
    Leominster, MA 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ingrid Cruse is a Pediatrics provider practicing medicine in Leominster, Massachusetts. Dr. Cruse 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 Van Der Woude Syndrome, Autism Spectrum Disorder, Obesity in Children, and Croup. Dr. Cruse is currently accepting new patients.

    Experienced in Diarrhea
    Experienced in Diarrhea
    Referral may be required

    Office

    100 Hospital Rd Ste 4A, 
    Leominster, MA 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Theresa Callahan is a Pediatrics provider practicing medicine in Leominster, Massachusetts. Dr. Callahan 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), Autism Spectrum Disorder, Obesity in Children, and Croup. Dr. Callahan is currently accepting new patients.

    Showing 1-20 of 142

    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 lancaster, MA?

    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 lancaster, MA?

    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 lancaster, MA?

    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 lancaster, MA?

    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 lancaster, MA?

    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 lancaster, MA?

    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 lancaster, MA?

    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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