The 20 Best Diarrhea Doctors Near Me in Fountain Valley, CA

Find the Top Diarrhea Experts and Specialists

The 20 Best Diarrhea Doctors near Fountain Valley, CA

Last Updated: 02/22/2026

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MediFind found 476 doctor with experience in Diarrhea near Fountain Valley, CA. Of these, 439 are Experienced, 31 are Advanced and 6 are Distinguished.

Location
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476 providers found
    Distinguished in Diarrhea
    Gastroenterology
    Distinguished in Diarrhea
    Gastroenterology

    The Cancer Treatment Center Of Orange County Medical Group Inc

    19582 Beach Blvd Ste 270, 
    Huntington Beach, CA 
     (4.0 miles away)
    Languages Spoken:
    English

    Victor Yu is a Gastroenterologist in Huntington Beach, California. Dr. Yu is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Gas Bloat Syndrome, Gastrectomy, and Colonoscopy.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    MemorialCare Medical Group - Fountain Valley

    18035 Brookhurst St Ste 2100, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    John Wang is a primary care provider, practicing in Internal Medicine in Fountain Valley, California. Dr. Wang is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are CAPOS Syndrome, Type 2 Diabetes (T2D), Osteomyelitis in Children, Gastrostomy, and Hernia Surgery. Dr. Wang is currently accepting new patients.

    Essam Quraishi
    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Sing L Tung M.D. A Professional Corporation

    2621 S Bristol St Ste 202, 
    Santa Ana, CA 
     (3.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Essam Quraishi is a Gastroenterologist in Santa Ana, California. Dr. Quraishi is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Chronic Erosive Gastritis, Gastritis, Nonalcoholic Steatohepatitis (NASH), Gastrectomy, and Gastrostomy.

    Learn about our expert tiers
    Experienced in Diarrhea
    Experienced in Diarrhea
    1000 Highland Street, 
    Santa Ana, CA 
     (3.8 miles away)
    Languages Spoken:
    English

    Mark Colon is a Pediatrics provider in Santa Ana, California. Dr. Colon is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Obesity in Children, Developmental Dysphasia Familial, Autism Spectrum Disorder, and Delayed Growth.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Orange County Digestive Care Inc

    18111 Brookhurst St, 
    Fountain Valley, CA 
     (0.6 miles away)
    Experience:
    30+ years
    Languages Spoken:
    English
    Offers Telehealth

    Duke Nguyen is a Gastroenterologist in Fountain Valley, California. Dr. Nguyen has been practicing medicine for over 30 years and is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Irritable Bowel Syndrome (IBS), Gastroesophageal Reflux Disease (GERD), Gastritis, Gastrectomy, and Colonoscopy.

    Advanced in Diarrhea
    Internal Medicine
    Advanced in Diarrhea
    Internal Medicine

    La Vang Medical Center

    9431 Edinger Ave, 
    Westminster, CA 
     (1.6 miles away)
    Languages Spoken:
    English

    Tan Ngo is a primary care provider, practicing in Internal Medicine in Westminster, California. Dr. Ngo is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Tracheitis, H1N1 Influenza, Vertigo, and Diarrhea.

    Advanced in Diarrhea
    Internal Medicine
    Advanced in Diarrhea
    Internal Medicine

    Dao Medical Group Inc

    9191 Westminster Ave, 
    Garden Grove, CA 
     (3.6 miles away)
    Experience:
    36+ years
    Languages Spoken:
    English
    Offers Telehealth

    Michael Dao is a primary care provider, practicing in Internal Medicine in Garden Grove, California. Dr. Dao has been practicing medicine for over 36 years and is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are High Cholesterol, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Long Phi Dang MD Inc

    7891 Westminster Blvd, 
    Westminster, CA 
     (4.1 miles away)
    Experience:
    33+ years
    Languages Spoken:
    English

    Long Dang is a Gastroenterologist in Westminster, California. Dr. Dang has been practicing medicine for over 33 years and is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Chronic Erosive Gastritis, Gastritis, Gastrointestinal Bleeding, Gastrectomy, and Gastrostomy.

    Distinguished in Diarrhea
    Gastroenterology
    Distinguished in Diarrhea
    Gastroenterology

    Newport Beach Gastroenterology Assoc

    1525 Superior Ave Ste 104, 
    Newport Beach, CA 
     (6.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Donald Abrahm is a Gastroenterologist in Newport Beach, California. Dr. Abrahm is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Marginal Zone Lymphoma (MZL), Gastroesophageal Reflux Disease (GERD), Gardner Syndrome, and Familial Adenomatous Polyposis.

    Carlos A. Sobral
    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Caduceus Medical Group

    19742 Macarthur Blvd, Suite 100, 
    Irvine, CA 
     (6.4 miles away)
    Experience:
    52+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Carlos Sobral is a primary care provider, practicing in Family Medicine in Irvine, California. Dr. Sobral has been practicing medicine for over 52 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are High Cholesterol, Nasal Flaring, Neuralgia, and COVID-19. Dr. Sobral is currently accepting new patients.

    Advanced in Diarrhea
    Pediatric Gastroenterology
    Advanced in Diarrhea
    Pediatric Gastroenterology
    1201 West La Veta Avenue, 
    Orange, CA 
     (7.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Michael Wang is a Pediatric Gastroenterologist in Orange, California. Dr. Wang is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Eosinophilic Esophagitis, Trichohepatoenteric Syndrome, Diarrhea, and Celiac Disease. Dr. Wang is currently accepting new patients.

    Distinguished in Diarrhea
    Family Medicine
    Distinguished in Diarrhea
    Family Medicine

    Newport Walk In Medical Group Inc.

    2075 San Joaquin Hills Rd, 
    Newport Beach, CA 
     (8.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Nathan Kiskila is a primary care provider, practicing in Family Medicine in Newport Beach, California. Dr. Kiskila is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Tracheitis, Lymphangitis, Urinary Tract Infection in Children, and Urinary Tract Infection (UTI).

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Ashkan Farhadi, MD

    18035 Brookhurst St Ste 2100, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Ashkan Farhadi is a Gastroenterologist in Fountain Valley, California. Dr. Farhadi is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, and Ulcerative Colitis.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Richard A Zelner M D Inc

    18111 Brookhurst St Ste 6700, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Richard Zelner is a Gastroenterologist in Fountain Valley, California. Dr. Zelner is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Hepatitis, Gastroesophageal Reflux Disease (GERD), Esophageal Cancer, and Insulinoma.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Jose Luis (Jeric) Aranez, MD

    18035 Brookhurst St Ste 2100, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jose Aranez is a Gastroenterologist in Fountain Valley, California. Dr. Aranez is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Bile Duct Obstruction, Hemorrhoids, Chronic Erosive Gastritis, Endoscopy, and Pancreatectomy.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Office

    11160 Warner Ave Ste 201, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Truong-sinh Leduc is an Internal Medicine provider in Fountain Valley, California. Dr. Leduc is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Hepatitis, Jaundice, Hepatitis C, Gastrectomy, and Gastrostomy.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Babak Firoozi, MD

    18035 Brookhurst St Ste 2100, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Babak Firoozi is an Internal Medicine provider in Fountain Valley, California. Dr. Firoozi is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Hemorrhoids, Familial Adenomatous Polyposis, Turcot Syndrome, and Gardner Syndrome.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Fountain Valley Urgent Care

    18785 Brookhurst St Ste 200, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Dana Yan is a primary care provider, practicing in Family Medicine in Fountain Valley, California. Dr. Yan is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Insomnia, Type 2 Diabetes (T2D), High Cholesterol, and Hypertension.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Fountain Valley Cardiology Medical Clinic Inc.

    11100 Warner Ave Ste 268, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Davinder Singh is a Gastroenterologist in Fountain Valley, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Velopharyngeal Insufficiency, Swallowing Difficulty, Painful Swallowing, Gastrostomy, and Endoscopy.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    MCMG Fountain Valley (Harbor)

    16333 Harbor Blvd, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Don Phung is a primary care provider, practicing in Internal Medicine in Fountain Valley, California. Dr. Phung is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Herpes Simplex Encephalitis, Pancreatic Islet Cell Tumor, and Diarrhea.

    Showing 1-20 of 476

    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 Fountain Valley, CA?

    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 Fountain Valley, CA?

    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 Fountain Valley, CA?

    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 Fountain Valley, CA?

    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 Fountain Valley, CA?

    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 Fountain Valley, CA?

    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 Fountain Valley, CA?

    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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