The 20 Best Bacterial Gastroenteritis Doctors Near Me in Derry, NH

Find the Top Bacterial Gastroenteritis Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 64 doctor with experience in Bacterial Gastroenteritis near Derry, NH. Of these, 63 are Experienced and 1 are Advanced.

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64 providers found
    Experienced in Bacterial Gastroenteritis
    Family Medicine
    Experienced in Bacterial Gastroenteritis
    Family Medicine

    Office

    6 Tsienneto Rd Ste 100, 
    Derry, NH 
     (2.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    John Wheeler is a primary care provider, practicing in Family Medicine in Derry, New Hampshire. Dr. Wheeler is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 77 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Bronchitis, Obesity, and Osteomyelitis in Children.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    Southern New Hampshire Internal Medicine Associates PC

    6 Tsienneto Rd Ste 300, 
    Derry, NH 
     (2.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mark Richard is a primary care provider, practicing in Internal Medicine in Derry, New Hampshire. Dr. Richard is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, High Cholesterol, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Experienced in Bacterial Gastroenteritis
    Family Medicine
    Experienced in Bacterial Gastroenteritis
    Family Medicine

    Office

    6 Tsienneto Rd Ste 100, 
    Derry, NH 
     (2.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Douglas Dreffer is a primary care provider, practicing in Family Medicine in Derry, New Hampshire. Dr. Dreffer is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Obesity, Generalized Anxiety Disorder (GAD), Seasonal Affective Disorder (SAD), and Multisystem Inflammatory Syndrome in Children (MIS-C).

    Learn about our expert tiers
    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    Southern New Hampshire Internal Medicine Associates PC

    6 Tsienneto Rd Ste 300, 
    Derry, NH 
     (2.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Thomas Hong is a primary care provider, practicing in Internal Medicine in Derry, New Hampshire. Dr. Hong is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Experienced in Bacterial Gastroenteritis
    Family Medicine
    Experienced in Bacterial Gastroenteritis
    Family Medicine

    Office

    6 Tsienneto Rd Ste 100, 
    Derry, NH 
     (2.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Alexia Strzalka is a primary care provider, practicing in Family Medicine in Derry, New Hampshire. Dr. Strzalka is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Generalized Anxiety Disorder (GAD), Seasonal Affective Disorder (SAD), Obesity, Obesity in Children, and Intrauterine Device Insertion.

    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Experienced in Bacterial Gastroenteritis
    Gastroenterology

    Londonderry Gastroenterology Associates PA

    1B Commons Dr Unit 9A, 
    Londonderry, NH 
     (2.8 miles away)
    Experience:
    47+ years
    Languages Spoken:
    English

    Mark Detweiler is a Gastroenterologist practicing medicine in Londonderry, New Hampshire. He has been practicing medicine for over 47 years. Dr. Detweiler is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. His clinical expertise encompasses Small Bowel Bacterial Overgrowth, Gas Bloat Syndrome, Bacterial Gastroenteritis, and Diarrhea.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    Elliot Physicians Network

    40 Buttrick Rd, 
    Londonderry, NH 
     (3.0 miles away)
    Languages Spoken:
    English

    Joseph Cunniff is a primary care provider, practicing in Internal Medicine in Londonderry, New Hampshire. Dr. Cunniff is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Bronchitis.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    Office

    1 Elliot Way Fl 5, 
    Manchester, NH 
     (7.8 miles away)
    Languages Spoken:
    English

    Raymond So is a primary care provider, practicing in Internal Medicine in Manchester, New Hampshire. Dr. So is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Sepsis, Neurotoxicity Syndromes, Volkmann Contracture, Colonoscopy, and Vertebroplasty.

    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Experienced in Bacterial Gastroenteritis
    Gastroenterology

    Northeast Gastroenterology Associates LLC

    2 Manor Pkwy Ste 5, 
    Salem, NH 
     (8.3 miles away)
    Languages Spoken:
    English

    Maurice Cohen is a Gastroenterologist practicing medicine in Salem, New Hampshire. Dr. Cohen is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Bile Acid Malabsorption, Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy.

    Experienced in Bacterial Gastroenteritis
    Infectious Disease
    Experienced in Bacterial Gastroenteritis
    Infectious Disease

    Infectious Disease Associates & Travel

    399 Daniel Webster Hwy, 
    Merrimack, NH 
     (8.7 miles away)
    Languages Spoken:
    English

    Annie Mathew is an Infectious Disease provider practicing medicine in Merrimack, New Hampshire. Dr. Mathew is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Myelitis, HIV/AIDS, AIDS Dementia Complex, and AIDS Dysmorphic Syndrome.

    Experienced in Bacterial Gastroenteritis
    Infectious Disease
    Experienced in Bacterial Gastroenteritis
    Infectious Disease

    Infectious Disease Associates & Travel

    399 Daniel Webster Hwy, 
    Merrimack, NH 
     (8.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Alexander Granok is an Infectious Disease provider practicing medicine in Merrimack, New Hampshire. Dr. Granok is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Infective Endocarditis, Myelitis, HIV/AIDS, and AIDS Dysmorphic Syndrome.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    Elliot Hospital

    1 Elliot Way, 
    Manchester, NH 
     (9.1 miles away)
    Languages Spoken:
    English

    Chung-mok Yoo is a primary care provider, practicing in Internal Medicine in Manchester, New Hampshire. Dr. Yoo is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Lung Cancer, Volkmann Contracture, Rhabdomyolysis, Colonoscopy, and Bone Graft.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    Elliot Hospital

    1 Elliot Way, 
    Manchester, NH 
     (9.1 miles away)
    Languages Spoken:
    English

    Valeria Dejica is a primary care provider, practicing in Internal Medicine in Manchester, New Hampshire. Dr. Dejica is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Sepsis, Orthostatic Hypotension, Hypertensive Heart Disease, Endoscopy, and Ureteroscopy.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    Elliot Hospital

    1 Elliot Way, 
    Manchester, NH 
     (9.1 miles away)
    Languages Spoken:
    English

    Vahagn Kotsinyan is a primary care provider, practicing in Internal Medicine in Manchester, New Hampshire. Dr. Kotsinyan is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Familial Neurocardiogenic Syncope, Migraine, Volkmann Contracture, Colonoscopy, and Endoscopy.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    Elliot Hospital

    1 Elliot Way, 
    Manchester, NH 
     (9.1 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English

    Allison Hutson is a primary care provider, practicing in Internal Medicine in Manchester, New Hampshire. She has been practicing medicine for over 18 years. Dr. Hutson is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. Her clinical expertise encompasses Sepsis, Orthostatic Hypotension, Rhabdomyolysis, Bone Graft, and Vertebroplasty.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    St Joseph Residence

    495 Mammoth Rd, 
    Manchester, NH 
     (9.6 miles away)
    Languages Spoken:
    English

    Brian Trezak is a primary care provider, practicing in Internal Medicine in Manchester, New Hampshire. Dr. Trezak is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. His clinical expertise encompasses Hospital-Acquired Pneumonia, Atypical Pneumonia, Orthostatic Hypotension, Pacemaker Implantation, and Endoscopy.

    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Experienced in Bacterial Gastroenteritis
    Gastroenterology

    Elliot 1 Day Surgery Center

    185 Queen City Ave, 
    Manchester, NH 
     (9.7 miles away)
    Languages Spoken:
    English

    Dmitriy Kedrin is a Gastroenterologist practicing medicine in Manchester, New Hampshire. Dr. Kedrin is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Morning Sickness, Familial Adenomatous Polyposis, Gardner Syndrome, Colonoscopy, and Endoscopy.

    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Experienced in Bacterial Gastroenteritis
    Gastroenterology

    Elliot 1 Day Surgery Center

    185 Queen City Ave, 
    Manchester, NH 
     (9.7 miles away)
    Languages Spoken:
    English

    Vincent Aguirre is a Gastroenterologist practicing medicine in Manchester, New Hampshire. Dr. Aguirre is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Crohn's Disease, Esophagitis, Gastrectomy, and Colonoscopy.

    Advanced in Bacterial Gastroenteritis
    Advanced in Bacterial Gastroenteritis

    Elliot Senior Center

    138 Webster St, 
    Manchester, NH 
     (11.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Samuel Goldman is a primary care provider, practicing in Geriatrics in Manchester, New Hampshire. Dr. Goldman is rated as an Advanced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Dementia, Heart Failure with Preserved Ejection Fraction (HFpEF), Myasthenia Gravis, and Heart Failure.

    Experienced in Bacterial Gastroenteritis
    Infectious Disease
    Experienced in Bacterial Gastroenteritis
    Infectious Disease

    Office

    411 Merrimack St Ste 201, 
    Methuen, MA 
     (12.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Venugopal Saddi is an Infectious Disease provider practicing medicine in Methuen, Massachusetts. Dr. Saddi is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Cellulitis, Lymphangitis, Osteomyelitis, and Hospital-Acquired Pneumonia. Dr. Saddi is board certified in American Board Of Internal Medicine and Infectious Disease Board.

    Showing 1-20 of 64

    Last Updated: 04/28/2026

    What is the definition of Bacterial Gastroenteritis?

    Bacterial gastroenteritis occurs when there is a bacterial infection of your stomach or intestines.

    When should I see a Bacterial Gastroenteritis doctor near Derry, NH?

    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 Bacterial Gastroenteritis doctor near Derry, NH?

    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 Bacterial Gastroenteritis doctors near Derry, NH?

    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 Bacterial Gastroenteritis doctors near Derry, NH?

    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 Bacterial Gastroenteritis doctor near Derry, NH?

    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 Bacterial Gastroenteritis doctor search results page. 

    Why is it important to get a second opinion from a different Bacterial Gastroenteritis 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 Bacterial Gastroenteritis doctor near Derry, NH?

    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 Bacterial Gastroenteritis 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 Bacterial Gastroenteritis 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 Bacterial Gastroenteritis doctors near Derry, NH?

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

    Look for the filter feature on the left-side of the Bacterial Gastroenteritis 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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