The 20 Best Diarrhea Doctors Near Me in Placentia, CA

Find the Top Diarrhea Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 425 doctor with experience in Diarrhea near Placentia, CA. Of these, 403 are Experienced, 21 are Advanced and 1 are Distinguished.

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425 providers found
    Experienced in Diarrhea
    Family Medicine | Pediatrics
    Experienced in Diarrhea
    Family Medicine | Pediatrics

    Caduceus Medical Group

    18200 Yorba Linda Blvd, Suite 250, 
    Yorba Linda, CA 
     (3.0 miles away)
    Experience:
    38+ years
    Languages Spoken:
    English
    Offers Telehealth

    Dennis Ponzio is a primary care provider, practicing in Pediatrics and Family Medicine in Yorba Linda, California. He has been practicing medicine for over 38 years. Dr. Ponzio is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses High Cholesterol, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Ponzio is board certified in American Board Of Family Medicine.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    1837 Sunny Crest Drive, 
    Fullerton, CA 
     (3.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sajen Mathews is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Mathews 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 Gastric Dysmotility, Diverticular Disease, Benign Esophageal Stricture, Endoscopy, and Gastrostomy.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    1837 Sunny Crest Drive, 
    Fullerton, CA 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Scott Sainburg is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Sainburg is rated as an Advanced 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 Benign Esophageal Stricture, Lower Esophageal Ring, Painful Swallowing, Endoscopy, and Gastrectomy. Dr. Sainburg is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    1837 Sunny Crest Drive, 
    Fullerton, CA 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Erika Hoyos is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Hoyos is rated as an Advanced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Hemorrhoids, Intestinal Cancer, Chronic Erosive Gastritis, Endoscopy, and Gastrectomy. Dr. Hoyos is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    1837 Sunny Crest Drive, 
    Fullerton, CA 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Eugene Yoon is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Yoon 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 Choledocholithiasis, Angiodysplasia of the Colon, Ascites, Endoscopy, and Gastrostomy. Dr. Yoon is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    1837 Sunny Crest Drive, 
    Fullerton, CA 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Hyder Jamal is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Jamal is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Familial Adenomatous Polyposis, Barrett Esophagus, Endoscopy, and Gastrostomy. Dr. Jamal is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    1837 Sunny Crest Drive, 
    Fullerton, CA 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Patrick Koo is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Koo is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Hemorrhoids, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy. Dr. Koo is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    2141 North Harbor Boulevard, Suite 25000, 
    Fullerton, CA 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Yee Miao is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Miao 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 Jaundice, Hepatitis B, Hepatitis, and Gastroesophageal Reflux Disease (GERD). Dr. Miao is currently accepting new patients.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Caduceus Medical Group-Yorba Linda Suite 250

    18200 Yorba Linda Blvd Ste 250, 
    Yorba Linda, CA 
     (3.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Michael Hall is a primary care provider, practicing in Family Medicine in Yorba Linda, California. Dr. Hall is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Bronchiolitis Obliterans, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Caduceus Physicians Medical Group

    18200 Yorba Linda Blvd, 
    Yorba Linda, CA 
     (3.0 miles away)
    Experience:
    34+ years
    Languages Spoken:
    English
    Offers Telehealth

    Olesya Brissey is a primary care provider, practicing in Internal Medicine in Yorba Linda, California. She has been practicing medicine for over 34 years. Dr. Brissey is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses High Cholesterol, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Brissey is board certified in American Board Of Internal Medicine.

    Advanced in Diarrhea
    Gastroenterology | Internal Medicine
    Advanced in Diarrhea
    Gastroenterology | Internal Medicine

    Associated Gastroenterology

    1211 W La Palma Ave, 
    Anaheim, CA 
     (4.4 miles away)
    Experience:
    55+ years
    Languages Spoken:
    English
    Offers Telehealth

    Dennis Riff is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Anaheim, California. He has been practicing medicine for over 55 years. Dr. Riff is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Helicobacter Pylori Infection, Campylobacter Infection, Gastroesophageal Reflux Disease (GERD), Gastrostomy, and Gastrectomy. Dr. Riff is board certified in American Board Of Internal Medicine.

    Experienced in Diarrhea
    Gastroenterology | Internal Medicine
    Experienced in Diarrhea
    Gastroenterology | Internal Medicine

    Associated Gastroenterology

    1211 W La Palma Ave, 
    Anaheim, CA 
     (4.4 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Brian Riff is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Anaheim, California. He has been practicing medicine for over 17 years. Dr. Riff 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 Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Campylobacter Infection, Gastrostomy, and Gastrectomy. Dr. Riff is board certified in American Board Of Internal Medicine.

    Advanced in Diarrhea
    Gastroenterology | Internal Medicine
    Advanced in Diarrhea
    Gastroenterology | Internal Medicine

    Digestive And Liver Disease Specialists

    1771 W Romneya Dr, 
    Anaheim, CA 
     (4.9 miles away)
    Experience:
    45+ years
    Languages Spoken:
    English

    Ravindra Alapati is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Anaheim, California. He has been practicing medicine for over 45 years. Dr. Alapati is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Visceromegaly, Bile Duct Obstruction, Diverticular Disease, Gastrostomy, and Gastrectomy. Dr. Alapati is board certified in American Board Of Internal Medicine.

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

    Michael Wang is a Pediatric Gastroenterologist practicing medicine in Orange, California. Dr. Wang is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses 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

    Oc Urgent Care Medical Group

    4720 E Chapman Ave, 
    Orange, CA 
     (6.7 miles away)
    Experience:
    21+ years
    Languages Spoken:
    English
    Offers Telehealth

    Nahla Salem is a primary care provider, practicing in Family Medicine in Orange, California. She has been practicing medicine for over 21 years. Dr. Salem is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. She is also highly rated in 218 other conditions, according to our data. Her clinical expertise encompasses Acute Cystitis, Otitis, Cellulitis, and Urinary Tract Infection in Children. Dr. Salem is board certified in American Board Of Family Medicine.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Don Garcia, MD Inc

    419 W Chapman Ave, 
    Placentia, CA 
     (0.7 miles away)
    Experience:
    45+ years
    Languages Spoken:
    English

    Don Garcia is a primary care provider, practicing in Family Medicine in Placentia, California. He has been practicing medicine for over 45 years. Dr. Garcia is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, High Cholesterol, and Cirrhosis. Dr. Garcia is board certified in American Board Of Family Medicine.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Secure Health Medical Group Inc

    1275 N Rose Dr, 
    Placentia, CA 
     (1.5 miles away)
    Experience:
    46+ years
    Languages Spoken:
    English

    Shahla Sadighian is a primary care provider, practicing in Internal Medicine in Placentia, California. She has been practicing medicine for over 46 years. Dr. Sadighian 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 Cirrhosis, Familial Combined Hyperlipidemia, Xanthoma, and POEMS Syndrome. Dr. Sadighian is board certified in American Board Of Internal Medicine.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    The Internal Medical Group

    1050 E Yorba Linda Blvd, 
    Placentia, CA 
     (1.6 miles away)
    Experience:
    51+ years
    Languages Spoken:
    English

    David Chapman is a Gastroenterologist practicing medicine in Placentia, California. He has been practicing medicine for over 51 years. Dr. Chapman 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 Diverticular Disease, Swallowing Difficulty, Painful Swallowing, Colonoscopy, and Gastrectomy. Dr. Chapman is board certified in American Board Of Internal Medicine.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    First Choice Physician Partners

    16671 Yorba Linda Blvd, 
    Yorba Linda, CA 
     (1.6 miles away)
    Experience:
    52+ years
    Languages Spoken:
    English

    Keith Martin is a Gastroenterologist practicing medicine in Yorba Linda, California. He has been practicing medicine for over 52 years. Dr. Martin 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 Gastroesophageal Reflux Disease (GERD), Diverticular Disease, Hemorrhoids, Endoscopy, and Gastrectomy. Dr. Martin is board certified in American Board Of Internal Medicine.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Kaiser Permanente Anaheim Kraemer Medical Offices

    3460 E La Palma Ave, 
    Anaheim, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Sharon Kim is a Gastroenterologist practicing medicine in Anaheim, California. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Hemorrhoids, Trichohepatoenteric Syndrome, Diarrhea, and Gastroesophageal Reflux Disease (GERD). Dr. Kim is currently accepting new patients.

    Showing 1-20 of 425

    Last Updated: 04/28/2026

    What is the definition of Diarrhea?

    Diarrhea is when you pass loose or watery stool.

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